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• Kranz, R. L., Satoh, T., Nishizawa, O., Kusunose, K., Takahashi, M., Masuda, K., Hirata, A. Laboratory study of fluid diffusion into and out of a borehole using acoustic emissions， American Geophysical Union 1988 Fall Meeting, (San Francisco) 1988.12

1990

• Masuda, K., Nishizawa, O., Kusunose, K., Satoh, T., Takahashi, M., Kranz, R. L. Positive Feedback Fracture Process Induced by Non-Uniform High-Pressure Water Flow in Dilatant Granite， 1990 Western Pacific Geophysics Meeting, (Kanazawa) 1990.8

1992

1993

• Masuda. K., Nishizawa, O., Kusunose, K., and Satoh. T. Laboratory Study of Effects of In Situ Stress State and Strength on Fluid Induced Seismicity, American Geophysical Union 1993 Spring Meeting (Baltimore), 1993.5 
• Isaak, D. G. and Masuda. K, Can Pure Iron Satisfy the Inner Core Density Constraint ? American Geophysical Union 1993 Spring Meeting (Baltimore), 1993.5
• Masuda, K., and Anderson, O. L. Differential Laser-Interferometer Apparatus for Measuring the Thermal Expansivity of Minerals at High Temperature, American Geophysical Union 1993 Fall Meeting (San Francisco), 1993.12 
• Anderson, O. L. and Masuda, K. The Effect of Pressure Upon the Dimensionless Thermoelastic Constants of Silicate Perovskite, American Geophysical Union 1993 Fall Meeting (San Francisco), 1993.12

• Masuda, K., Anderson, O. L., and Dave Erskine， High Temperature Thermal Expansivity Data of Single Crystals of Al２O３ and MgO Measured by a New Optical Method, Differential Laser-Interferometry， American Geophysical Union 1994 Spring Meeting (Baltimore), 1994.5 
• Anderson, O. L., Masuda, K., and Dawei Guo， Calculating the High Pressure Density Distribution of Silicate Perovskite Using Dimensionless Thremoelastic Parameters， American Geophysical Union 1994 Spring Meeting (Baltimore), 1994.5 
• Isaak, D. G. and Masuda, K. The High Temperature Elastic Properties of Single-Crystal Iron, American Geophysical Union 1994 Spring Meeting (Baltimore), 1994.5
• Anderson, O. L., Masuda, K., and Guo, D. Using the Thermoelastic Parameters of the Earth's Lower Mantle and of Silicate Perovskite to find the Buoyancy Force at the 665 km Interface, The Fourth SEDI Symposium - Earth's Deep Interior - (Whistler Mountain, British Columbia, Canada), 1994.8 
• Isaak, D. G., Anderson, O. L., Masuda, K., and Guo, D. The Case for fcc(γ) Iron as the Dominant Iron Phase in the Inner Core, The Fourth SEDI Symposium - Earth's Deep Interior - (Whistler Mountain, British Columbia, Canada), 1994.8
• Masuda, K., Anderson, O. L., and Erskine, D. Thermal Expansivity of MgO and Al２O３ at High Temperature and Room Pressure Measured with the Differential Laser-Interferometer, American Geophysical Union 1994 Fall Meeting (San Francisco), 1994.12 
• Anderson, O. L. and Masuda, K. The Isentropic Density Profile of Silicate Perovskite Computed by the Thermal Pressure, American Geophysical Union 1994 Fall Meeting (San Francisco), 1994.12

• Anderson, O. L. and Masuda, K. Additional Evidence for a Lack of Phase Homogeneity in the Lower Mantle, International Union of Geodesy and Geophysics, XXI General Assembly (Boulder, Colorado) 1995.7 
• Masuda, K., Satoh, T., Nishizawa, O., and Kusunose, K. Source Duration Time of Water-Triggered Seismicity as Derived From Pulse Width Analysis: An Experimental Study, American Geophysical Union 1995 Fall Meeting (San Francisco), 1995.12

• Masuda, K.， Effects of strain rate, water, and confining pressure on failure strengths of granite and andesite， American Geophysical Union 1996 Fall Meeting (San Francisco), 1996.12

• Masuda, K., Nishizawa, O., Satoh, T., and Hasebe, T. Laboratory study of mechanical effect of fluid migration on the spatio-temporal variation of seismicity， American Geophysical Union 1997 Fall Meeting (San Francisco), 1997.12

• Koji Masuda， Thermal expansivity of single crystal Al2O3 and MgO measured with the differential laser- interferometer developed at the Anderson laboratory， American Geophysical Union 1998 Fall Meeting (San Francisco), 1998.12  INVITED

• Koji Masuda, Osamu Nishizawa, Xinglin Lei, Takashi Satoh, and Hisao Ito， Laboratory study of fluid migration and fault growth in inhomogeneous rock， American Geophysical Union 1999 Spring Meeting (Boston), 1999.6
• Koji Masuda, Mai Linh Doan, Osamu Nishizawa, Xinglin Lei, and Hisao Ito， Laboratory study of water-induced fracturing and internal fault structure， American Geophysical Union 1999 Fall Meeting (San Francisco), 1999.12 
• Tomoaki Tomita, Koji Masuda, Osamu Nishizawa, Xinglin Lei, and Yoji Kobayashi， Experimental studies on texture of ultramylonite and faulting process， American Geophysical Union 1999 Fall Meeting (San Francisco), 1999.12

• Masuda, K., Nishizawa, O., Maruyama, T., and Lei, X. Microcrack characterization estimated from P- and S-wave velocity changes caused by water migration into a granitic rock， American Geophysical Union 2000 Spring Meeting (Washington DC), 2000.5 
• Masuda, K., Nishizawa, O., Lei, X., Doan, M. L., and Ito, H. Laboratory study of fault propagation by using the acoustic emission， 2000 Western Pacific Geophysics Meeting (Tokyo) 2000.6
• Schubnel, A., Nishizawa, O., Masuda, K., Lei, X.J., Xue, Z., and Gueguen, Y., Velocity and Permeability Measurements during Wet Triaxial Experiments on Oshima and Toki Granites, 3rd Euroconference on rock physics & rock mechanics: Thermo-Hydro-Mechanical coupling in fractured rock, 2000.11 (Germany)
• Masuda, K., Nishizawa, O., Maruyama, T., and Lei, X. Changes in crack shape during the water migration into a stressed rock American Geophysical Union 2000 Fall Meeting 2000.12  (San Francisco)

• Schubnel, A., Nishizawa, O., Masuda, K., Lei, X., Xue, Z., Gueguen, Y., Velocity measurements and crack density determination under wet triaxial experiments on Oshima and Toki granites, EGS XXVI General Assembly, 2001.3 (France)
• Koji Masuda and Koichiro Fujimoto, Deformation process of mylonite under high-pressure and high-temperature conditions, International Symposium on Slip and Flow Processes in and below the Seismogenic Region, 2001.11 (Sendai)

• Koji Masuda and Koichiro Fujimoto Effects of water, strain-rate, and heterogeneity on rock strength: Experimental study and strength of fault zone materials, International Workshop on Physics of Active Fault, 2002.2 (H14.2) (Tsukuba)
• Koji Masuda and Koichiro Fujimoto, Experimental study on physical and pheological properties of fault zone rocks, Western Pacific Geophysics Meeting, 2002.7 (H14.7) (New Zealand)
• Koji Masuda, Takashi Arai, Koichiro Fujimoto, Norio Shigematsu Physical and rheological properties of fault zone rocks, mylonite, under high pressure and high temperature American Geophysical Union 2002 Fall Meeting 2002.12 (H14) (San Francisco)
• Takashi Arai, Koji Masuda, Koichiro Fujimoto, Norio Shigematsu, Tomoyuki Ohtani, Tomoaki Sumii, Yasuko Okuyama Frictional behavior of anorthite and quartz at high pressure and high temperature conditions American Geophysical Union 2002 Fall Meeting 2002.12 (H14) (San Francisco)

• Koji Masuda, Takashi Arai, Koichiro Fujimoto, and Norio Shigematsu, Physical and rheological properties of mylonite, fault rocks, under high pressure and high temperature, The 2003 IUGG general assembly, 2003.7 (H15)(Sapporo)
• Takashi Arai, Koji Masuda, Koichiro Fujimoto, Norio Shigematsu, Tomoyuki Ohtani, Tomoaki Sumii, Yasuko Okuyama, Frictional behavior of feldspar and quartz at high pressure and high temperature conditions, The 2003 IUGG general assembly, 2003.7 (H15)(Sapporo)
• Koji Masuda, Takashi Arai, Koichiro Fujimoto, Norio Shigematsu, Frictional properties of mylonite under high pressure and high temperature, American Geophysical Union 2003 Fall Meeting 2003.12 (H15) (San Francisco)
• Miki Takahashi, Takashi Arai, Koji Masuda, Permeability changes of fault gouge while frictional sliding under high-temperature and high-pressure conditions, American Geophysical Union 2003 Fall Meeting 2003.12 (H15) (San Francisco)
• Takashi Arai, Koji Masuda, Miki Takahashi, Koichiro Fujimoto, Norio Shigematsu, Tomoaki Sumii, Yasuko Okuyama, Frictional properties of feldspar and quartz at the temperatures of seismogenic zone, American Geophysical Union 2003 Fall Meeting 2003.12 (H15) (San Francisco)

• Koji Masuda, Takashi Arai, Miki Takahashi, Koichiro Fujimoto, Norio Shigematsu， Frictional properties of mylonite, feldspar, and quartz under high-pressure and high-temperature conditions, The second International Symposium on Slip and Flow Processes in and below the Seismogenic Region, 2004.3 (H16) (Tokyo)
• Fujimoto,K., Ohtani,T., Shigematsu,N., Masuda,K., Arai,T., Tanaka,H., Shimada,K., Saruwatari,K., Kameda,J., Toyoshima,T., and Omura,K., Materials science approaches to understanding intraplate seismogenic processes, The second International Symposium on Slip and Flow Processes in and below the Seismogenic Region, 2004.3 (H16) (Tokyo)
• Takashi Arai, Koji Masuda, Miki Takahashi, Koichiro Fujimoto, and Norio Shigematsu, Frictional properties of feldspar and quartz at the temperatures of seismogenic zone, The second International Symposium on Slip and Flow Processes in and below the Seismogenic Region, 2004.3 (H16) (Tokyo)
• Norio Shigematsu, Koji Masuda, Miki Takahashi, Takashi Arai, Koichiro Fujimoto, and David J. Prior, Comparison between natural and experimental plastic deformation of plagioclase: Preliminary result, The second International Symposium on Slip and Flow Processes in and below the Seismogenic Region, 2004.3 (H16) (Tokyo)
• Koji Masuda, Takashi Arai, Miki Takahashi, Koichiro Fujimoto, and Norio Shigematsu, Frictional properties of mylonite, feldspar, and quartz under high-pressure and high-temperature conditions, 2004 Joint Assembly, CGU, AGU, SEG, EEGS, 2004.5 (H16.5) (Montreal, Canada)
• Koji Masuda, Miki Takahashi, Keigo Kitamura, Takashi Arai, Koichiro Fujimoto, and Norio Shigematsu, Experimental and geological studies on slip process in the deep extensions of seismogenic faults, Fifth Joint Meeting of UJNR (U.S.-Japan Cooperative Program in Natural Resources) Panel on Earthquake Research, 2004.10 (H16) (Monterey, California, USA)
• Koji Masuda, Takashi Arai, Miki Takahashi, Koichiro Fujimoto, Norio Shigematsu, and Keigo Kitamura, Frictional properties of feldspar gouge under high-pressure and high-temperature and their implications of seismogenic process, American Geophysical Union 2004 Fall Meeting 2004.12 (H16) (San Francisco)
• Keigo Kitamura, Koji Masuda, Miki Takahashi, and Osamu Nishizawa, The new developed system for elastic-wave velocity measurement under high P-T condition of seismogenic zone, American Geophysical Union 2004 Fall Meeting 2004.12 (H16) (San Francisco)

• Keigo Kitamura, Koji Masuda, and Hisao Ito, The elastic-wave velocities profile of Chelungpu fault rocks under in situ cinditions of seismogenic zone, 2005 Annual Meeting of Geological Society located in Taipei, 2005.5 (H17)(Taiwan)
• Keigo Kitamura, Koji Masuda, and Hisao Ito, The effect of water on elastic-wave velocities under in situ conditions of seismogenic zone, Asia Oceania Geosciences Society (AOGS) 2nd Annual Meeting, 2005.6 (H17)(Singapore)
• Koji Masuda, Takashi Arai, Miki Takahashi, Keigo Kitamura, Koichiro Fujimoto, and Norio Shigematsu, Frictional Strength of Rock-Forming Mineral Gouge at Hydrothermal Conditions, Asia Oceania Geosciences Society (AOGS) 2nd Annual Meeting, 2005.6 (H17)(Singapore)
• Koji Masuda, Laboratory Studies on the Role of the Crustal Fluids in Micromechanics of Earthquake Generation Processes, American Geophysical Union 2005 Fall Meeting 2005.12 (H17) (San Francisco)
• Keigo Kitamura, Miki Takahashi, Koji Masuda, Hisao Ito, Sheng-Rong Song (National Taiwan Univ.), Chien-Ying Wang (National Central Univ.), The relationship between pore-pressure and the elastic-wave velocities of TCDP-cores, American Geophysical Union 2005 Fall Meeting 2005.12 (H17) (San Francisco)
• Miki Takahashi, Keigo Kitamura, Koji Masuda, Hisao Ito, Sheng-Rong Song (National Taiwan Univ.), Chien-Ying Wang (National Central Univ.), Pressurization effect on bulk properties and pore connection of sedimentary rock specimens from TCDP cores, American Geophysical Union 2005 Fall Meeting 2005.12 (H17) (San Francisco)
• Kazuo Mizoguchi, Eiichi Fukuyama, Keigo Kitamura, Miki Takahashi, Koji Masuda, and Kentaro Omura, Depth Dependence of the Fault Strength in the Creep Section of the Atotsugawa Fault, Japan, American Geophysical Union 2005 Fall Meeting 2005.12 (H17) (San Francisco)

• Koji Masuda, Miki Takahashi, Keigo Kitamura, Influence of Crustal Fluids on Faulting and Earthquakes, Asia Oceania Geosciences Society (AOGS) 3rd Annual Meeting, 2006.7 (H18)(Singapore)
• Koji Masuda, Keigo Kitamura, Miki Takahashi, Osamu Nishizawa， P- and S-wave velocities of rocks under high-pressure and high-temperature conditions, Implications for geophysical monitoring CO2 storage site， A One-Day Workshop on Potential Use of Geophysical Techniques for Monitoring CO2 Storage Site.2006.11 (H18)(Kyoto)
• Koji Masuda, Takashi Arai, Effects of water on fracture and frictional processes of rocks under hydrothermal conditions， American Geophysical Union 2006 Fall Meeting 2006.12 (H18) (San Francisco)
• Miki Takahashi, Kazuo Mizoguchi, Keigo Kitamura, Koji Masuda， Effects of clay on the frictional strength and fluid flow property of faults， American Geophysical Union 2006 Fall Meeting 2006.12 (H18) (San Francisco)
• Wataru Tanikawa, Kazuo Mizoguchi, Miki Takahashi, Koji Masuda, Tetsuro Hirono, Weiren Lin, Wonn Soh, Sheng-Rong Song， Transport and frictional properties of core samples from Taiwan Chelungpu-fault Drilling Project and its association with the heat generation due to frictional heating， American Geophysical Union 2006 Fall Meeting 2006.12 (H18) (San Francisco)

• Miki Takahashi, Kazuo Mizoguchi, Koji Masuda, Weakening process due to phyllosilicate dehydration and dehydroxylation reactions and its possibility to trigger earthquakes, American Geophysical Union 2008 Fall Meeting 2008.12 (H20) (San Francisco)

• Shin-ichi Uehara, Miki Takahashi, Yasuki Oikawa, Koji Masuda, Depth dependency of fracture permeability in Neogene mudstone, American Geophysical Union 2009 Fall Meeting 2009.12 (H21) (San Francisco)
• Miki Takahashi, Shin-ichi Uehara, Kazuo Mizoguchi, Naoto Takeda, Koji Masuda, Rheology of serpentinite in high-temperature and low-slip-velocity regime, American Geophysical Union 2009 Fall Meeting 2009.12 (H21) (San Francisco)
• Shin-ichi Uehara, Miki Takahashi, Koji Masuda, Investigation of impact of fractures on underground permeability of Neogene Mudstone, The 2nd KIGAM-AIST Joint Workshop on CO2 Geological Storage 2009.12 (H21)(Korea)

• Koji Masuda, Takashi Arai, Effects of water on long-term fault strength, 2010 Western Pacific Geophysics Meeting, 2010.6 (H22)(Taipei, Taiwan)
• Koji Masuda, Takashi Arai, Koichiro Fujimoto, Miki Takahashi, Norio Shigematsu, Effect of water on long-term weakening preceding rupture of crustal faults, American Geophysical Union 2010 Fall Meeting 2010.12 (H22) (San Francisco)
• Keishi Okazaki, Ikuo Katayama, Miki Takahashi, Koji Masuda, Deformation experiments of serpentinite under high pore pressure and hydrothermal conditions, American Geophysical Union 2010 Fall Meeting 2010.12 (H22) (San Francisco)
• Miki Takahashi, Shin-ichi Uehara, Kazuo Mizoguchi, Koji Masuda, Drastic change in the rheology of serpentine-bearing faults induced by dehydration, American Geophysical Union 2010 Fall Meeting 2010.12 (H22) (San Francisco)

• Koji Masuda, Osamu Nishizawa, Triggering processes of seismicity and changes in crack shape during the water penetration into a stressed rock, American Geophysical Union 2011 Fall Meeting 2011.12 (H23) (San Francisco)

• Koji Masuda, Osamu Nishizawa, Changes in crack shape and saturation during water penetration into stressed rock, American Geophysical Union 2012 Fall Meeting, 2012.12 (H24) (San Francisco)

• Koji Masuda, Takashi Satoh, Osamu Nishizawa, Ultrasonic transmission and acoustic emission monitoring of injection-induced fracture processes in rock samples, the 47th US Rock Mechanics / Geomechanics Symposium, 2013.6 (H25) (San Francisco)
• Koji Masuda, Source duration of stress and water-pressure induced seismicity derived from experimental analysis of P wave pulse width in granite, American Geophysical Union 2013 Fall Meeting, 2013.12 (H25) (San Francisco)

• Koji Masuda, Monitoring of injection-induced rock fracture process by ultrasonic transmission and acoustic emission, Asia Oceanic Geosciences Society (AOGS) 11th Annual Meeting 2014.7 (H26)(Sapporo)

• Koji Masuda, Laboratory evidence of strength recovery of healed faults, American Geophysical Union 2015 Fall Meeting, 2015.12 (H27) (San Francisco)

• Koji Masuda, Effect of frictional properties of minerals in the crust on the depth of seismic faulting, IAG-IASPEI, 2017.8 (H29)(Kobe),
  International Association of Geodesy (IAG) and International Association of Seismology and Physics of the Earth’s Interior (IASPEI)

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