Member

E-mail address: Please add "@ aist.go.jp" to each member's e-mail address.

Hideyoshi YOSHIOKA

PositionGroup Leader
Research fieldsGeobiochemistry, Organic Geochemistry
Research topics
  • Microbial activity of subsurface biosphere in methane hydrate-bearing regions and water-soluble gas deposits
  • Methane production and oxidation in subsurface environments
E-mailhi-yoshioka

Shusaku GOTO

PositionSenior Researcher
Research fieldsGeothermics
Research topics
  • Exploration of shallow gas hydrate in marine area
  • Thermal modeling below seafloor
  • Development of measuring method of heat flow in shallow sea
  • Measurement of thermal properties of marine sediments and its applications
  • Developments of long-term temperature monitoring below seafloor and its applications
  • Reconstruction of ground surface temperature history from borehole temperature data
E-mails.gotou

Hanako MOCHIMARU

PositionSenior Researcher
Research fieldsGeomicrobiology, Anaerobic microbiology
Research topics
  • Microbial diversity and methanogenic potential in deep subsurface gas fields.
  • Isolation of novel microorganisms from deep marine and subsurface environments.
  • Methane production from anaerobic decomposition of lignin-related substances
E-mailh-mochimaru

Koji TAKAHASHI

PositionSenior Researcher
Research fieldsCoal Geology, Isotope geochemistry, Organic geochemistry
Research topics
  • Evaluating the timing of hydrocarbon gas expulsion from Cenozoic coal
  • Kinetics model of suppressed vitrinite reflectance
  • Development of Remote determinations on fumarole outlet temperature based on stable isotopic composition in gaseous compounds
E-mailkoji-takahashi

yusuke MIYAJIMA

PositionResearcher
Research fieldsOrganic geochemistry, Isotope geochemistry
Research topics
  • Biogeochemistry of microbial methane oxidation
  • Geochemistry of fluids associated with methane hydrate systems
  • Microbial methanogenesis and trace metal behavior
E-mailyusuke.miyajima

Takeshi NAKAJIMA

PositionContract Researcher
Research fieldsSedimentology, Marine Geology, Fuel Resource Geology
Research topics
  • Turbidite reservoir
  • Tectonics of Japanese Islands and surrounding ocean basins regarding causes of petroleum play generation
  • Promotion of collaborative studies on fuel resources with oil companies
E-mailtakeshi.nakajima

Noriaki ABE

PositionPostdoctoral fellow
Research fieldsStructural Geology
Research topics
  • Deformation and stress field in the Miocene forearc region of southwestern Japan
E-mailabe.noriaki

Part time

  • Manabu TANAHASHITechnical Staff
  • Yuichiro SUZUKITechnical Staff
  • Mikio SATOHTechnical Staff
  • Yumiko NAKANETechnical Staff
  • Hiroko KATSUMURATechnical Staff
  • Akiko TANAKATechnical Staff
  • Yukiko HOSHITechnical Staff
  • Osamu TAKANOCollaborating Visitors