Inventor · disambiguated record
Shigeaki Hayashi
Also filed as: HAYASHI SHIGEAKI
20 granted patents·363 citations·filing 1979–1987
96Inventor score
Top patents by PatentIndex Score
20 records- 0193USD276051SElectronic copying machineSHARP KK·Filed 1982·Granted Oct 23, 1984·33 cites·1 claims
- 0291US4816696AVariable-speed pumped-storage power generating systemHITACHI LTD·Filed 1987·Granted Mar 28, 1989·79 cites·4 claims
- 0387US4812729AProtecting apparatus for secondary excitation type variable speed AC generator/motorHITACHI LTD·Filed 1987·Granted Mar 14, 1989·64 cites·17 claims
- 0485USD258889SCombined electronic calculating machine, radio and clockSHARP KK·Filed 1979·Granted Apr 14, 1981·18 cites·1 claims
- 0584USD279106SDesk-top calculatorSHARP KK·Filed 1983·Granted Jun 4, 1985·19 cites·1 claims
- 0683USD280418SElectronic printing calculatorSHARP KK·Filed 1983·Granted Sep 3, 1985·18 cites·1 claims
- 0780USD276238SDocument feeder for copying machineSHARP KK·Filed 1982·Granted Nov 6, 1984·16 cites·1 claims
- 0878USD287139SCalculatorSHARP KK·Filed 1984·Granted Dec 9, 1986·14 cites·1 claims
- 0974USD261731SDigital watchSHARP KK·Filed 1979·Granted Nov 10, 1981·11 cites·1 claims
- 1072USD261994SDigital watchSHARP KK·Filed 1979·Granted Nov 24, 1981·10 cites·1 claims
- 1172USD261732SDigital watchSHARP KK·Filed 1979·Granted Nov 10, 1981·10 cites·1 claims
- 1270USD285566SPrinterSHARP KK·Filed 1984·Granted Sep 9, 1986·10 cites·1 claims
- 1370USD284200SCalculatorSHARP KK·Filed 1984·Granted Jun 10, 1986·10 cites·1 claims
- 1469USD281886SElectronic printing calculatorSHARP KK·Filed 1982·Granted Dec 24, 1985·10 cites·1 claims
- 1557US4743827AVariable speed pumping-up electrical power systemHITACHI LTD·Filed 1987·Granted May 10, 1988·28 cites·4 claims
- 1657USD267093STeller machineSHARP KK·Filed 1979·Granted Nov 30, 1982·5 cites·1 claims
- 1746USD281435SPrinting calculatorSHARP KK·Filed 1982·Granted Nov 19, 1985·3 cites·1 claims
- 1844USD270252SElectrostatic copying machineSHARP KK·Filed 1981·Granted Aug 23, 1983·3 cites·1 claims
- 1937USD278156SPrinting calculatorSHARP KK·Filed 1982·Granted Mar 26, 1985·1 cites·1 claims
- 2036USD280209SElectronic printing calculatorSHARP KK·Filed 1982·Granted Aug 20, 1985·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →