・1990-1999：Nippon Telegraph and Telecomunication ・1999-：Depertment of Mechanical Engineering, Faculty of Science and Technology, Sophia University (1)Infrastructural materials for hydrogen energy society (2)Hydrogen degradation of high-strength steels for automobile (3)Hydrogen storage materials and electrode metals for fuel cell vehicle (4)Environmental degradation of vitreous silica optical fiber
Education activity: ・Materials Science, Energy and Materials, Advanced Material Engineering Research activity： ・Infrastructural materials for hydrogen energy society ・Hydrogen degradation of high-strength steels for automobile ・Environmental degradation of optical fiber
(Subject of research) Study on Delayed Fracture of High-Strength Steels Hydrogen in Metals Environmental Embrittlement of Optical Silica Fibers

博士（工学）(早稲田大学)

Hydrogen Embrittlement, Hydrogen Trapping Sites, High-Strength Steel, Thermal Desorption Spectrometry, fracture, Delayed Fracture, hydrogen, Metal, Ti, stainless steel, Environmental Embrittlement