Inventor
HIRAO MITSURU
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HIRAO MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
11 patentsUS5072286ADec 10, 1991
Semiconductor memory device having memory cells including IG FETs in a symmetrical arrangement
HITACHI LTD109 citations96
US4921811AMay 1, 1990
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD33 citations95
US5354699AOct 11, 1994
Method of manufacturing semiconductor integrated circuit device
HITACHI LTD33 citations92
US4984200AJan 8, 1991
Semiconductor circuit device having a plurality of SRAM type memory cell arrangement
HITACHI LTD46 citations88
US5512497AApr 30, 1996
Method of manufacturing a semiconductor integrated circuit device
HITACHI LTD17 citations81
US5508549AApr 16, 1996
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD18 citations81
US4980744ADec 25, 1990
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD20 citations81
US5144394ASep 1, 1992
Semiconductor device and method for fabricating same
HITACHI LTD9 citations74
US5672897ASep 30, 1997
Bimos semiconductor integrated circuit device including high speed vertical bipolar transistors
HITACHI LTD7 citations73
US5057894AOct 15, 1991
Semiconductor integrated circuit device
HITACHI LTD18 citations73
US5049967ASep 17, 1991
Semiconductor integrated circuit device and a method for manufacturing the same
HITACHI LTD7 citations73