Inventor · disambiguated record
Isao Ishigaki
Also filed as: ISHIGAKI ISAO
29 granted patents·4 pending applications·994 citations·filing 1980–2008
97Inventor score
Files withJAPAN ATOMIC ENERGY RES INST17ALPS ELECTRIC CO LTD8MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4EBARA CORP2YUASA BATTERY CO LTD1
Top patents by PatentIndex Score
33 records- 0195US5308467AElectrically regenerable demineralizing apparatusEBARA CORP·Filed 1992·Granted May 3, 1994·95 cites·9 claims
- 0295US4758922AHigh frequency circuit having a microstrip resonance elementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jul 19, 1988·72 cites·12 claims
- 0394US4749963AOscillator having stripline loop resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jun 7, 1988·102 cites·5 claims
- 0493US6448874B1Resonant line constructed by microstrip line which is easy to be trimmedALPS ELECTRIC CO LTD·Filed 2000·Granted Sep 10, 2002·160 cites·4 claims
- 0593US5425866AElectrically regenerable demineralizing apparatusEBARA CORP·Filed 1993·Granted Jun 20, 1995·78 cites·10 claims
- 0689US4384941AProcess for electrolyzing waterJAPAN ATOMIC ENERGY RES INST·Filed 1982·Granted May 24, 1983·39 cites·7 claims
- 0788US5187032ASolid polymer electrolytesYUASA BATTERY CO LTD·Filed 1991·Granted Feb 16, 1993·87 cites·12 claims
- 0886US4622366AUranium adsorbing material and process for preparing the sameJAPAN ATOMIC ENERGY RES INST·Filed 1984·Granted Nov 11, 1986·37 cites·16 claims
- 0983US5075342AProcess for producing an ion exchange membrane by grafting non ion-selective monomers onto a ion exchangeJAPAN ATOMIC ENERGY RES INST·Filed 1990·Granted Dec 24, 1991·42 cites·2 claims
- 1080US4273840ABattery separator and method of producing the sameJAPAN ATOMIC ENERGY RES INST·Filed 1980·Granted Jun 16, 1981·34 cites·18 claims
- 1177US4396727ACation exchange membrane and process for producing the sameJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Aug 2, 1983·25 cites·18 claims
- 1275US4407846AMethod of producing a hydrophilic membrane from a polyethylene base filmJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Oct 4, 1983·30 cites·4 claims
- 1374US5279910ABatteryJAPAN ATOMIC ENERGY RES INST·Filed 1992·Granted Jan 18, 1994·51 cites·4 claims
- 1468US4376794AProcess for production of separators for use in cellsJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Mar 15, 1983·16 cites·20 claims
- 1561US6593822B2Oscillator for achieving stable oscillationALPS ELECTRIC CO LTD·Filed 2001·Granted Jul 15, 2003·7 cites·6 claims
- 1661US6359521B1Oscillator with buffer circuit in which deterioration in C/N ratio is lightenedALPS ELECTRIC CO LTD·Filed 2000·Granted Mar 19, 2002·7 cites·9 claims
- 1760US4287272ACell separator and cellJAPAN ATOMIC ENERGY RES INST·Filed 1980·Granted Sep 1, 1981·15 cites·3 claims
- 1859US4283442AMethod of producing a dimensionally stable battery separatorJAPAN ATOMIC ENERGY RES INST·Filed 1980·Granted Aug 11, 1981·14 cites·3 claims
- 1957US5250910APush-push oscillator having in-phase and anti-phase output combining circuitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Oct 5, 1993·19 cites·23 claims
- 2055US4590443ATransistor oscillator with compensating circuit for variable collector-base capacitanceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted May 20, 1986·14 cites·10 claims
- 2155US4539277AIon exchange membrane and process for producing the sameJAPAN ATOMIC ENERGY RES INST·Filed 1983·Granted Sep 3, 1985·11 cites·5 claims
- 2255US4288467AMethod of producing a membrane of graft copolymerJAPAN ATOMIC ENERGY RES INST·Filed 1980·Granted Sep 8, 1981·15 cites·4 claims
- 2346US8043727B2Electromagnetic wave-absorption multilayer substrateALPS ELECTRIC CO LTD·Filed 2008·Granted Oct 25, 2011·0 cites·9 claims
- 2445US2006022766A1High frequency circuit module having non-reciprocal circuit elementALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 2541US2002056949A1Process for producing polymeric films having shape-memorizing propertiesFiled 2001·Application pending·0 cites
- 2640US4376021AProcess for producing a water-soluble vinyl polymerJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Mar 8, 1983·6 cites·4 claims
- 2736US4354907ARadiation polymerization of cationic monomer in aqueous alcoholJAPAN ATOMIC ENERGY RES INST·Filed 1980·Granted Oct 19, 1982·4 cites·5 claims
- 2836US2004164816A1Nonreciprocal circuit element with reduced insertion loss and excellent manufacturabilityALPS ELECTRIC CO LTD·Filed 2004·Application pending·0 cites
- 2936US2005174187A1Non-reciprocal circuit device including multilayer boardALPS ELECTRIC CO LTD·Filed 2005·Application pending·0 cites
- 3033US5260005AProcess for forming container of acrylonitrile polymers by biaxial-orientation blow-molding preformJAPAN ATOMIC ENERGY RES INST·Filed 1992·Granted Nov 9, 1993·6 cites·14 claims
- 3131US6249196B1Resonator for uniformly varying inductance or impedance in longitudinal direction of conductor lineALPS ELECTRIC CO LTD·Filed 1999·Granted Jun 19, 2001·2 cites·4 claims
- 3231US4379200ANovel method of producing ion exchange membraneJAPAN ATOMIC ENERGY RES INST·Filed 1981·Granted Apr 5, 1983·1 cites·5 claims
- 3330US5211959AProcesses for producing slow-release powdersJAPAN ATOMIC ENERGY RES INST·Filed 1991·Granted May 18, 1993·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →