Inventor · disambiguated record
Osamu Yamashiro
Also filed as: YAMASHIRO OSAMU
15 granted patents·434 citations·filing 1975–1992
95Inventor score
Files withHITACHI LTD15
Top patents by PatentIndex Score
15 records- 0192US4100502AClass B FET amplifier circuitHITACHI LTD·Filed 1976·Granted Jul 11, 1978·28 cites·15 claims
- 0290US4029973AVoltage booster circuit using level shifter composed of two complementary MIS circuitsHITACHI LTD·Filed 1976·Granted Jun 14, 1977·40 cites·5 claims
- 0387US4559694AMethod of manufacturing a reference voltage generator deviceHITACHI LTD·Filed 1983·Granted Dec 24, 1985·49 cites·9 claims
- 0485US4309665AComplementary amplifier circuitHITACHI LTD·Filed 1980·Granted Jan 5, 1982·27 cites·8 claims
- 0581US5159260AReference voltage generator deviceHITACHI LTD·Filed 1987·Granted Oct 27, 1992·45 cites·10 claims
- 0681US4039973AInitiation circuit in a crystal-controlled oscillatorHITACHI LTD·Filed 1976·Granted Aug 2, 1977·26 cites·5 claims
- 0781US4020367AConstant-current circuitHITACHI LTD·Filed 1976·Granted Apr 26, 1977·29 cites·5 claims
- 0878US4553098ABattery checkerHITACHI LTD·Filed 1983·Granted Nov 12, 1985·32 cites·16 claims
- 0972US5481484AMixed mode simulation method and simulatorHITACHI LTD·Filed 1992·Granted Jan 2, 1996·73 cites·17 claims
- 1071US4428040ALow power consumption electronic circuitHITACHI LTD·Filed 1981·Granted Jan 24, 1984·24 cites·31 claims
- 1170US4031456AConstant-current circuitHITACHI LTD·Filed 1975·Granted Jun 21, 1977·18 cites·4 claims
- 1262US4211985ACrystal oscillator using a class B complementary MIS amplifierHITACHI LTD·Filed 1978·Granted Jul 8, 1980·13 cites·17 claims
- 1361US4247826ASemiconductor integrated amplifierHITACHI LTD·Filed 1978·Granted Jan 27, 1981·13 cites·9 claims
- 1457US4322639AVoltage detection circuitHITACHI LTD·Filed 1978·Granted Mar 30, 1982·11 cites·13 claims
- 1544US4032864AElectronic circuit having a misfet as an amplifying elementHITACHI LTD·Filed 1976·Granted Jun 28, 1977·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →