Inventor
MASAOKA ISAO
15 patents
Patents
15 patentsUS5203984AApr 20, 1993
Monitoring system for plant operation condition and its in-situ electrochemical electrode
HITACHI LTD40 citations92
US4979995ADec 25, 1990
Member made of nickel base alloy having high resistance to stress corrosion cracking and method of producing same
HITACHI LTD30 citations92
US4810461AMar 7, 1989
Zirconium-based alloy with high corrosion resistance
HITACHI LTD35 citations92
US4234119ANov 18, 1980
Method of making a structure immune against stress corrosion cracking
HITACHI LTD35 citations92
US4718949AJan 12, 1988
Method of producing a cladding tube for reactor fuel
HITACHI LTD35 citations91
US4678521AJul 7, 1987
Process for producing zirconium-based alloy and the product thereof
HITACHI LTD29 citations91
US4223197ASep 16, 1980
Method of cooling weld in steel piping and apparatus therefor
HITACHI LTD37 citations90
US4689091AAug 25, 1987
Process for producing zirconium-based alloy
HITACHI LTD21 citations81
US4218604AAug 19, 1980
Method for welding of austenitic stainless steel piping
HITACHI LTD26 citations81
US4348041ASep 7, 1982
Butt welded tubular structure of austenite stainless steel
HITACHI LTD21 citations79
US4842814AJun 27, 1989
Nuclear reactor fuel assembly
HITACHI LTD18 citations73
US4512820AApr 23, 1985
In-pile parts for nuclear reactor and method of heat treatment therefor
HITACHI LTD13 citations73
US5316597AMay 31, 1994
A nuclear reactor comprising a reactor vessel and structural members made of an austenitic stainless steel having superior resistance to irradiation-induced segregation
HITACHI LTD12 citations72
US4664727AMay 12, 1987
Zirconium alloy having superior corrosion resistance
HITACHI LTD15 citations71
US4560407ADec 24, 1985
Alloy for use in a radioactive ray environment and reactor core members
HITACHI LTD3 citations57