Research experiences in the field of

  • Isotope geochemistry with ultra-sensitive determination for the stable carbon and oxygen isotopic compositions of the minute amount of carbonate.
  • Geochemistry specialized with development the automated analytical systems.
  • Geology and micropaleontology, specialized with environmental reconstruction, taxonomy of foraminifera and biostratigraphy.
  • Research cruise experiences for paleoceanography and geochemistry


Current position:


  • Associate Professor


National Institute of Technology, Ibaraki College


Department of Chemistry and Material Engineering 





  • The Young Scientists' Prize (2014)

The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology: The Young Scientists' Prize (2014)



Email:  toyoho.ishimura + gmail.com   (+ ---> @)




Ph.D. (Earth Science), Hokkaido University, 2005

  • “Ecological and geochemical characterizations of foraminifera in submarine methane seepage area”
  • Supervisor; Prof. Urumu Tsunogai
  • Committee; Prof. Hisatake Okada (Hokkaido University), Prof. Noriyuki Suzuki (Hokkaido University), Prof. Shiro Hasegawa (Kumamoto University), and Prof. Toshitaka Gamo (Ocean Research Institute, The University of Tokyo)


Master of Science (Environmental Science), Hokkaido University, 1999

  • “Miocene biostratigraphy and sedimentary environmental changes in Shiranuka area, eastern Hokkaido”
  • Supervisor; Prof. Shiro Hasegawa and Prof. Tadamichi Oba  


Bachelor of Science (Geology)., Hokkaido University, 1997

  • “Miocene biostratigraphy in Urahoro area, eastern Hokkaido”
  • Supervisor; Prof. Shiro Hasegawa




Research and professional experiences:


  • Associate Professor, INCT  (2012- present)
  • Visiting Scientist (JAMSTEC, 2012-2014)
  • Visiting Scientist (AIST, 2012- present)
  • Post-Doctoral Research Fellow (April 2012 -2012). Creative Research Institution, Hokkaido University,
  • Post-Doctoral Research Fellow (April 2009 -2012). Geological Survey of Japan, AIST
  • Post-Doctoral Research Fellow (April 2008 -2009). Graduate School of Sciences, Hokkaido University,
  • The Center of Excellence Research Fellow (April 2007 – March 2008) Graduate School of Sciences, Hokkaido University,
  • Post-Doctoral Research Fellow (April 2005 - March 2007) Graduate School of Sciences, Hokkaido University,
  • Research scientist, Nakagawa Museum of Natural History, April 1999 - March 2000.
  • Research Assistant, Hokkaido University, April 2003 - March 2004
  • Teaching Assistant, Hokkaido University, April 1998 - March 1999