Inventor
KUNIYA KEIICHI
21 patents
Patents
21 patentsUS4497875AFeb 5, 1985
Ceramic substrate with metal plate
HITACHI LTD52 citations95
US4482912ANov 13, 1984
Stacked structure having matrix-fibered composite layers and a metal layer
HITACHI LTD62 citations95
US4196442AApr 1, 1980
Semiconductor device
HITACHI LTD34 citations92
US4083719AApr 11, 1978
Copper-carbon fiber composites and process for preparation thereof
HITACHI LTD43 citations92
US3969754AJul 13, 1976
Semiconductor device having supporting electrode composite structure of metal containing fibers
HITACHI LTD51 citations92
US4678521AJul 7, 1987
Process for producing zirconium-based alloy and the product thereof
HITACHI LTD29 citations91
US4470063ASep 4, 1984
Copper matrix electrode having carbon fibers therein
HITACHI LTD49 citations91
US4941251AJul 17, 1990
Rollers for rolling mills
HITACHI LTD17 citations81
US4839949AJun 20, 1989
Rollers for rolling mills
HITACHI LTD17 citations81
US4689091AAug 25, 1987
Process for producing zirconium-based alloy
HITACHI LTD21 citations81
US4551596ANov 5, 1985
Surge-absorberless vacuum circuit interrupter
HITACHI LTD9 citations74
US4347413AAug 31, 1982
Electrodes of vacuum circuit breaker
HITACHI LTD7 citations74
US4226917AOct 7, 1980
Composite joint system including composite structure of carbon fibers embedded in copper matrix
HITACHI LTD13 citations73
US4664727AMay 12, 1987
Zirconium alloy having superior corrosion resistance
HITACHI LTD15 citations71
US4254548AMar 10, 1981
Method of fabricating electrode plate for supporting semiconductor device
HITACHI LTD7 citations71
US4478363AOct 23, 1984
Method of production of composite billet for fuel cladding tube
HITACHI LTD7 citations69
US4231814ANov 4, 1980
Method of producing a vacuum circuit breaker
HITACHI LTD3 citations63
US4229631AOct 21, 1980
Vacuum-type circuit breaker
HITACHI LTD5 citations63
US4091248AMay 23, 1978
Vacuum-type circuit breaker
HITACHI LTD4 citations63
US4547639AOct 15, 1985
Vacuum circuit breaker
HITACHI LTD5 citations62
US4253038AFeb 24, 1981
Light source excited by high frequency for Zeeman effect atomic absorption analysis
HITACHI LTD1 citations47