Inventor
UCHIDA AKIHISA
JP22 patents
⚠️ This page may combine multiple inventors who share the name “UCHIDA AKIHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS4949162AAug 14, 1990
Semiconductor integrated circuit with dummy pedestals
HITACHI LTD91 citations95
US5011788AApr 30, 1991
Process of manufacturing semiconductor integrated circuit device and product formed thereby
HITACHI LTD22 citations92
US4746963AMay 24, 1988
Isolation regions formed by locos followed with groove etch and refill
HITACHI LTD33 citations92
US5351211ASep 27, 1994
Semiconductor integrated circuit device having circuit inspection function
HITACHI LTD22 citations89
US5141888AAug 25, 1992
Process of manufacturing semiconductor integrated circuit device having trench and field isolation regions
HITACHI LTD15 citations82
US4819054AApr 4, 1989
Semiconductor IC with dual groove isolation
HITACHI LTD18 citations82
US4907063AMar 6, 1990
Semiconductor body, and device formed therefrom, having grooves with silicon nitride on the groove surfaces
HITACHI LTD21 citations81
US5214302AMay 25, 1993
Semiconductor integrated circuit device forming on a common substrate MISFETs isolated by a field oxide and bipolar transistors isolated by a groove
HITACHI LTD10 citations74
US5200348AApr 6, 1993
Method of manufacturing semiconductor device with constant width deep groove isolation
HITACHI LTD8 citations74
US5177584AJan 5, 1993
Semiconductor integrated circuit device having bipolar memory, and method of manufacturing the same
HITACHI LTD8 citations74
US4853343AAug 1, 1989
Method for fabricating a semiconductor integrated circuit device having thick oxide films and groove etch and refill
HITACHI LTD8 citations74
US5029127AJul 2, 1991
Bipolar SRAM having word lines as vertically stacked pairs of conductive lines parallelly formed with holding current lines
HITACHI LTD8 citations73
US4926378AMay 15, 1990
Bipolar static RAM having two wiring lines for each word line
HITACHI LTD9 citations73
US4809052AFeb 28, 1989
Semiconductor memory device
HITACHI LTD7 citations73
US4700464AOct 20, 1987
Method of forming trench isolation in an integrated circuit
HITACHI LTD8 citations73
US5388073AFeb 7, 1995
Semiconductor integrated circuit device and digital processor employing the same
HITACHI LTD15 citations69
US5128740AJul 7, 1992
Semiconductor integrated circuit device with isolation grooves and protruding portions
HITACHI LTD2 citations63