Inventor
URA MITSURU
17 patents
⚠️ This page may combine multiple inventors who share the name “URA MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS4299873ANov 10, 1981
Multilayer circuit board
HITACHI LTD108 citations96
US4540673ASep 10, 1985
Sintered aluminum nitride and semi-conductor device using the same
HITACHI LTD50 citations95
US4651192AMar 17, 1987
Ceramic packaged semiconductor device
HITACHI LTD40 citations92
US4517584AMay 14, 1985
Ceramic packaged semiconductor device
HITACHI LTD34 citations92
US4100310AJul 11, 1978
Method of doping inpurities
HITACHI LTD53 citations92
US4561010ADec 24, 1985
Electrically insulating silicon carbide sintered body
HITACHI LTD22 citations82
US4008485AFeb 15, 1977
Gallium arsenide infrared light emitting diode
HITACHI LTD21 citations82
US4585706AApr 29, 1986
Sintered aluminum nitride semi-conductor device
HITACHI LTD22 citations81
US4177114ADec 4, 1979
Silver-electroplating process
HITACHI LTD13 citations74
US4146906AMar 27, 1979
Low forward voltage drop semiconductor device having polycrystalline layers of different resistivity
HITACHI LTD14 citations74
US3998672ADec 21, 1976
Method of producing infrared luminescent diodes
HITACHI LTD9 citations74
US4472028ASep 18, 1984
Organosilicone homeotropic alignment layer with OH group
HITACHI LTD17 citations73
US4200877AApr 29, 1980
Temperature-compensated voltage reference diode with intermediate polycrystalline layer
HITACHI LTD17 citations73
US4467309AAug 21, 1984
High temperature thermistor
HITACHI LTD6 citations63
US4164436AAug 14, 1979
Process for preparation of semiconductor devices utilizing a two-step polycrystalline deposition technique to form a diffusion source
HITACHI LTD6 citations63