Inventor · disambiguated record
Fumihiko Ishikawa
Also filed as: ISHIKAWA FUMIHIKO
13 granted patents·526 citations·filing 1986–1996
94Inventor score
Files withSHIKOKU SOGO KENKYUSHO KK5RICOH KK3FUJI ELECTRIC CO LTD1NISSIN ELECTRIC CO LTD1SEIKO EPSON CORP1
Top patents by PatentIndex Score
13 records- 0191US5465806AElectric vehicleSHIKOKU SOGO KENKYUSHO KK·Filed 1993·Granted Nov 14, 1995·164 cites·2 claims
- 0286US5222568AElectric vehicleSHIKOKU SOGO KENKYUSHO KK·Filed 1990·Granted Jun 29, 1993·77 cites·1 claims
- 0381US4697136AInverter system for inputting alternating current and direct current in combinationSHIKOKU ELEC POWER·Filed 1986·Granted Sep 29, 1987·59 cites·4 claims
- 0471US5525849ASuperconducting bearingSEIKO EPSON CORP·Filed 1993·Granted Jun 11, 1996·34 cites·15 claims
- 0571US5289147AImage forming apparatus having system for reducing noiseRICOH KK·Filed 1992·Granted Feb 22, 1994·38 cites·38 claims
- 0667US5111377AInterconnection for electric power systemSHIKOKU RESEARCH INST INC·Filed 1991·Granted May 5, 1992·53 cites·2 claims
- 0760US5313130ASuperconduction bearingSHIKOKU SOGO KENKYUSHO KK·Filed 1992·Granted May 17, 1994·23 cites·4 claims
- 0854US5555469AImage forming apparatus having toner recycling device with electrostatic conveyorRICOH KK·Filed 1994·Granted Sep 10, 1996·10 cites·8 claims
- 0949US5245385AImage forming apparatus which reduces noise generated therefromRICOH KK·Filed 1991·Granted Sep 14, 1993·17 cites·32 claims
- 1046US5719455AMethod of designing a superconductivity employing apparatus and a superconductivity employing apparatus constructed by the methodSHIKOKU SOGO KENKYUSHO KK·Filed 1996·Granted Feb 17, 1998·14 cites·9 claims
- 1142US5162964AConnection control device for controlling the connection of small generator unit to electric power systemNISSIN ELECTRIC CO LTD·Filed 1990·Granted Nov 10, 1992·20 cites·15 claims
- 1237US5099145ASystem disconnection detection circuit for a distributed location power sourceFUJI ELECTRIC CO LTD·Filed 1990·Granted Mar 24, 1992·14 cites·8 claims
- 1327US5646811AReverse-charge prevention apparatusSHIKOKU SOGO KENKYUSHO KK·Filed 1992·Granted Jul 8, 1997·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →