Inventor
TANAKA HIROTOSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA HIROTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
15 patentsUS5281865AJan 25, 1994
Flip-flop circuit
HITACHI LTD155 citations98
US4825145AApr 25, 1989
Constant current circuit
HITACHI LTD60 citations96
US5426784AJun 20, 1995
Serial to parallel data converting circuit
HITACHI LTD21 citations92
US5166553ANov 24, 1992
Current mirror circuit employing depletion mode FETs
HITACHI LTD26 citations92
US4881044ANov 14, 1989
Amplifying circuit
HITACHI LTD29 citations92
US4803527AFeb 7, 1989
Semiconductor integrated circuit device having semi-insulator substrate
HITACHI LTD20 citations81
US5068605ANov 26, 1991
Semiconductor integrated circuit device and method of testing the same
HITACHI LTD9 citations74
US4857769AAug 15, 1989
Threshold voltage fluctuation compensation circuit for FETS
HITACHI LTD13 citations74
US4697110ASep 29, 1987
Fluctuation-free input buffer
HITACHI LTD17 citations74
US5132752AJul 21, 1992
Field effect transistor
HITACHI LTD13 citations73
US4518868AMay 21, 1985
Superconductive large-scale integrated circuit chip
HITACHI LTD8 citations72
US4316265AFeb 16, 1982
Memory device with high speed memory cell selection mechanism
HITACHI LTD12 citations71
US4847550AJul 11, 1989
Semiconductor circuit
HITACHI LTD2 citations63
US5021686AJun 4, 1991
Logic circuit
HITACHI LTD5 citations62
US4954866ASep 4, 1990
Semiconductor integrated circuit memory
HITACHI LTD0 citations52