Inventor · disambiguated record
Haruo Ishikawa
Also filed as: ISHIKAWA HARUO
21 granted patents·6 pending applications·401 citations·filing 1976–2022
95Inventor score
Files withKOWA CO9MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6SUMITOMO METAL MINING CO4TOSHIBA KK2HITACHI LTD1
Top patents by PatentIndex Score
27 records- 0188US4762057AAutomatic bread producing machineMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Aug 9, 1988·82 cites·15 claims
- 0287US4109160AControl system for hydroelectric power station systemHITACHI LTD·Filed 1976·Granted Aug 22, 1978·63 cites·15 claims
- 0379US7046919B2Aroma diffuserMATSUSHITE ELECTRIC IND CO LTD·Filed 2003·Granted May 16, 2006·50 cites·16 claims
- 0478US9970077B2Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclaveSUMITOMO METAL MINING CO·Filed 2013·Granted May 15, 2018·4 cites·4 claims
- 0575US9732400B2Autoclave apparatus used during high-pressure acid leaching processSUMITOMO METAL MINING CO·Filed 2013·Granted Aug 15, 2017·3 cites·3 claims
- 0675US4957040AApparatus for making breadMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 18, 1990·44 cites·8 claims
- 0773US10856969B2Toric intraocular lens and intraocular lens insertion apparatusKOWA CO·Filed 2017·Granted Dec 8, 2020·2 cites·8 claims
- 0867US4622663AOptical wavelength demultiplexerSUMITOMO METAL MINING CO·Filed 1985·Granted Nov 11, 1986·27 cites·4 claims
- 0967US2022244568A1Ophthalmic lensKOWA CO·Filed 2022·Application pending·0 cites
- 1067US2021063768A1Ophthalmic lensKOWA CO·Filed 2020·Application pending·0 cites
- 1161US4559023ATorque damperHONDA MOTOR CO LTD·Filed 1984·Granted Dec 17, 1985·16 cites·14 claims
- 1260US5068537APassenger number sensor systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 26, 1991·25 cites·1 claims
- 1358US4631024ACatalytic combustion deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Dec 23, 1986·22 cites·6 claims
- 1455US2017045756A1Ophthalmic lens and method for designing ophthalmic lensKOWA CO·Filed 2015·Application pending·0 cites
- 1553US4885176AMethod of making breadMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 5, 1989·17 cites·7 claims
- 1650US12491067B2Multifocal diffractive lensKOWA CO·Filed 2021·Granted Dec 9, 2025·0 cites·14 claims
- 1750US4722196ADevice for controlling refrigeration cycle capacityTOSHIBA KK·Filed 1986·Granted Feb 2, 1988·17 cites·3 claims
- 1849US11366336B2Toric ophthalmic lensKOWA CO·Filed 2017·Granted Jun 21, 2022·0 cites·9 claims
- 1948US2019358026A1Intraocular lens and method for producing sameKOWA CO·Filed 2018·Application pending·0 cites
- 2047US2004098888A1Appliance utilizing waterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 2146US11622851B2Toric intraocular lens, intraocular lens insertion tool, and method for producing toric intraocular lensKOWA CO·Filed 2017·Granted Apr 11, 2023·0 cites·7 claims
- 2246US5664428AIndoor unit for an air-conditioning apparatusTOSHIBA KK·Filed 1995·Granted Sep 9, 1997·18 cites·11 claims
- 2346US2004136888A1Incense BurnerFiled 2003·Application pending·0 cites
- 2442US9463088B2Intraocular lens design method and intraocular lensSUZUKI TAKAYOSHI·Filed 2012·Granted Oct 11, 2016·0 cites·8 claims
- 2541US10646328B2Toric ophthalmic lensKOWA CO·Filed 2015·Granted May 12, 2020·0 cites·9 claims
- 2640US4684208AOptical branching elementSUMITOMO METAL MINING CO·Filed 1985·Granted Aug 4, 1987·9 cites·11 claims
- 2726US4165448ALoudspeaker with improved voice coil supportISHIKAWA HARUO·Filed 1978·Granted Aug 21, 1979·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →