Inventor · disambiguated record
Kazuhiro Ishii
Also filed as: ISHII KAZUHIRO
34 granted patents·2 pending applications·709 citations·filing 1976–2017
97Inventor score
Top patents by PatentIndex Score
36 records- 0197US5089307AEdible film and method of making sameMITSUBISHI RAYON CO·Filed 1990·Granted Feb 18, 1992·203 cites·11 claims
- 0296US5620757AEdible film and method of making sameMITSUBISHI RAYON CO·Filed 1991·Granted Apr 15, 1997·142 cites·9 claims
- 0387US4565877ANaphthalene derivatives and method for preparation thereofTANABE SEIYAKU CO·Filed 1983·Granted Jan 21, 1986·25 cites·6 claims
- 0483USD335488SElectronic trip relayMITSUBISHI ELECTRIC CORP·Filed 1991·Granted May 11, 1993·28 cites·1 claims
- 0580US9751164B2Method of manufacturing a hollow poppet valveNITTAN VALVA·Filed 2013·Granted Sep 5, 2017·5 cites·6 claims
- 0680US4849848ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 18, 1989·42 cites·5 claims
- 0780US4707460AMethod for regenerating phosphorus-molybdenum-alkali containing oxidation catalystMITSUBISHI RAYON CO·Filed 1986·Granted Nov 17, 1987·15 cites·3 claims
- 0879US4985592AProcess for the preparation of unsaturated carboxylic acidsMITSUBISHI RAYON CO·Filed 1978·Granted Jan 15, 1991·26 cites·7 claims
- 0973US4804778AProcess for producing methacrylic acidMITSUBISHI RAYON CO·Filed 1987·Granted Feb 14, 1989·11 cites·6 claims
- 1071US4118419ACatalytic process for the preparation of an unsaturated carboxylic acidMITSUBISHI RAYON CO·Filed 1976·Granted Oct 3, 1978·19 cites·7 claims
- 1168US5494872ACatalyst and solid catalyst component for preparing polyolefins with broad molecular weight distributionTOHO TITANIUM COMPANY LTD·Filed 1994·Granted Feb 27, 1996·20 cites·21 claims
- 1267US4891347AProcess for the preparation of catalyst used in the production of unsaturated carboxylic acidsMITSUBISHI RAYON CO·Filed 1985·Granted Jan 2, 1990·7 cites·4 claims
- 1366US5124875AOvercurrent protection apparatusMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jun 23, 1992·27 cites·3 claims
- 1461US5102846AProcess for preparing catalysts for producing methacrylic acidMITSUBISHI RAYON CO·Filed 1990·Granted Apr 7, 1992·7 cites·2 claims
- 1560US5283553ASwitch with pre-alarm meansMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Feb 1, 1994·22 cites·2 claims
- 1657US7704593B2Cutting tool and method of producing the sameSUMITOMO METAL IND·Filed 2008·Granted Apr 27, 2010·1 cites·11 claims
- 1750US10259221B2Element substrate, liquid ejection head, and liquid ejection apparatusCANON KK·Filed 2017·Granted Apr 16, 2019·0 cites·11 claims
- 1849US2010077819A1Method of machining an end portion of a long tubular memberISHII KAZUHIRO·Filed 2009·Application pending·0 cites
- 1948US5650907ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Jul 22, 1997·14 cites·4 claims
- 2048US2007245540A1End portion machining apparatus and method of manufacturing a tubular good therewithISHII KAZUHIRO·Filed 2007·Application pending·0 cites
- 2147US10328696B2Liquid ejection headCANON KK·Filed 2017·Granted Jun 25, 2019·0 cites·9 claims
- 2246US4862312ACircuit breaker with overcurrent protectionMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Aug 29, 1989·11 cites·5 claims
- 2344US4860153ACurrent sensing deviceMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Aug 22, 1989·10 cites·5 claims
- 2442US4858058ACircuit breaker including selectively operable long-time-delay tripping circuitMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Aug 15, 1989·9 cites·8 claims
- 2541US4968838AProcess for the preparation of unsaturated carboxylic acidsMITSUBISHI RAYON CO·Filed 1989·Granted Nov 6, 1990·2 cites·2 claims
- 2640US4873603ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Oct 10, 1989·8 cites·1 claims
- 2739US4754246ACircuit interrupterMITSUBISHI ELECTRIC CORP·Filed 1987·Granted Jun 28, 1988·5 cites·3 claims
- 2838US4866558ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Sep 12, 1989·7 cites·6 claims
- 2938US4847725ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Jul 11, 1989·7 cites·1 claims
- 3036US5086367ACircuit breakerMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 4, 1992·7 cites·3 claims
- 3135US5093521AProcess for producing methacrylic acidMITSUBISHI RAYON CO·Filed 1989·Granted Mar 3, 1992·4 cites·3 claims
- 3234US5170309AFour-pole circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 8, 1992·6 cites·3 claims
- 3334US5077629ASwitch with pre-alarms meansMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 31, 1991·4 cites·6 claims
- 3433US5173833ACircuit breaker with detachable tripping testerMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Dec 22, 1992·5 cites·2 claims
- 3533US5086366APrealarm circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1991·Granted Feb 4, 1992·6 cites·2 claims
- 3631US4901184ATrip control apparatus of circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Feb 13, 1990·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →