Inventor
OHNAKA NORIYUKI
JP15 patents
Patents
15 patentsUS5209645AMay 11, 1993
Ceramics-coated heat resisting alloy member
HITACHI LTD58 citations94
US5729409AMar 17, 1998
Magnetic disk device having a corrosion resistant magnetoresistive head
HITACHI LTD17 citations92
US5519330AMay 21, 1996
Method and apparatus for measuring degree of corrosion of metal materials
HITACHI LTD44 citations92
US5514477AMay 7, 1996
Corrosion-resistant laminate which consists of a metal of a single mass number deposited on a substrate
HITACHI LTD21 citations92
US5223211AJun 29, 1993
Zirconium based alloy plate of low irradiation growth, method of manufacturing the same, and use of the same
HITACHI LTD29 citations90
US5221859AJun 22, 1993
Lead frame for semiconductor device
HITACHI LTD50 citations90
US5087181AFeb 11, 1992
Sliding structure such as compressor or the like
HITACHI LTD30 citations89
US5579354ANov 26, 1996
Method of measuring a corrosion potential, method of simulating potential characteristics of a reaction rate, and plant monitoring system adopting them
HITACHI LTD21 citations87
US5892805AApr 6, 1999
Boiling water reactor and its operating method
HITACHI LTD18 citations83
US5186798AFeb 16, 1993
Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system
HITACHI LTD7 citations74
US4937038AJun 26, 1990
Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system
HITACHI LTD17 citations74
US5398268AMar 14, 1995
Nuclear power plant having a water chemistry control system for a primary cooling system thereof and an operation method thereof
HITACHI LTD18 citations73
US5316633AMay 31, 1994
Method and apparatus for measuring sensitization of structural members
HITACHI LTD12 citations73
US5242264ASep 7, 1993
Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor
HITACHI LTD16 citations73
US5901071AMay 4, 1999
Method of evaluating corrosion resistance of metal material, method of designing alloy of high corrosion resistance, method of diagnosing corroded state of metal material, and method of operating plant
HITACHI LTD14 citations71