Inventor · disambiguated record
Tokumasa Yasui
Also filed as: KUBO MASAHARU · YASUI TOKUMASA
11 granted patents·203 citations·filing 1974–1994
91Inventor score
Files withHITACHI LTD11
Top patents by PatentIndex Score
11 records- 0189US4507759AStatic memoryHITACHI LTD·Filed 1982·Granted Mar 26, 1985·52 cites·18 claims
- 0288US4300213AMemory circuit with increased operating speedHITACHI LTD·Filed 1979·Granted Nov 10, 1981·25 cites·8 claims
- 0382US4554729AMethod of making semiconductor memory deviceHITACHI LTD·Filed 1982·Granted Nov 26, 1985·47 cites·23 claims
- 0474US4261004ASemiconductor deviceHITACHI LTD·Filed 1978·Granted Apr 7, 1981·19 cites·29 claims
- 0565US4258465AMethod for fabrication of offset gate MIS deviceHITACHI LTD·Filed 1978·Granted Mar 31, 1981·23 cites·31 claims
- 0659US3949382AMisfet circuit for reading the state of chargeHITACHI LTD·Filed 1974·Granted Apr 6, 1976·11 cites·5 claims
- 0742US4199778AInterconnection structure for semiconductor integrated circuitsHITACHI LTD·Filed 1977·Granted Apr 22, 1980·8 cites·7 claims
- 0841US4564925ASemiconductor memoryHITACHI LTD·Filed 1983·Granted Jan 14, 1986·5 cites·9 claims
- 0937US4712192ASemiconductor memory device and fabrication process thereofHITACHI LTD·Filed 1985·Granted Dec 8, 1987·7 cites·19 claims
- 1035US5446689ASemiconductor memory having a polycrystalline silicon load resistor and CMOS peripheral circuitryHITACHI LTD·Filed 1994·Granted Aug 29, 1995·4 cites·19 claims
- 1132US5359562ASemiconductor memory having polycrystalline silicon load resistors and CMOS peripheral circuitryHITACHI LTD·Filed 1991·Granted Oct 25, 1994·2 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →