Inventor · disambiguated record
Hidekatsu Izumi
Also filed as: IZUMI HIDEKATSU
15 granted patents·10 pending applications·177 citations·filing 1997–2008
93Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD12IZUMI HIDEKATSU3KATO FUMIO2PANASONIC CORP2FUJIWARA MICHIKO1
Top patents by PatentIndex Score
25 records- 0173US6153334AActive materials for the positive electrode in alkaline storage battery and the manufacturing method of themMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 28, 2000·27 cites·38 claims
- 0271US7476466B2Alkaline dry battery with a nickel oxyhydroxide and manganese oxide positive electrode including a calcium compoundPANASONIC CORP·Filed 2006·Granted Jan 13, 2009·2 cites·3 claims
- 0366US6013390AAlkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jan 11, 2000·41 cites·27 claims
- 0465US6573006B2Non-sintered type positive electrode for alkaline storage battery and alkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 3, 2003·7 cites·19 claims
- 0564US8080336B2Alkaline dry batteryIZUMI HIDEKATSU·Filed 2007·Granted Dec 20, 2011·2 cites·17 claims
- 0664US6284215B1Manufacturing method of active materials for the positive electrode in alkaline storage batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 4, 2001·6 cites·7 claims
- 0758US6783892B2Positive electrode active material for alkaline storage batteries, and positive electrode and alkaline storage battery using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 31, 2004·3 cites·8 claims
- 0858US6261720B1Positive electrode active material for alkaline storage batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 17, 2001·23 cites·12 claims
- 0956US7335445B2Positive electrode active material for alkaline storage battery, positive electrode and alkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 26, 2008·2 cites·11 claims
- 1055US7718315B2Alkaline battery and positive electrode material for alkaline battery comprising nickel oxyhydroxide and manganese dioxidePANASONIC CORP·Filed 2004·Granted May 18, 2010·2 cites·5 claims
- 1152US2009181293A1Aa alkaline batteryKATO FUMIO·Filed 2008·Application pending·0 cites
- 1250US6706442B1Alkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 16, 2004·18 cites·11 claims
- 1350US2009169988A1AA and AAA Alkaline dry batteriesKATO FUMIO·Filed 2008·Application pending·0 cites
- 1450US2008280209A1Alkaline dry batteryKATO SUSUMU·Filed 2008·Application pending·0 cites
- 1547US6042753AActive materials for the positive electrode in alkaline storage batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 28, 2000·15 cites·7 claims
- 1646US2009176157A1Aa and aaa alkaline dry batteriesIZUMI HIDEKATSU·Filed 2008·Application pending·0 cites
- 1746US2009098462A1Alkaline dry batteryFUJIWARA MICHIKO·Filed 2006·Application pending·0 cites
- 1844US6255019B1Cathode active material for alkaline storage battery and cathode using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Jul 3, 2001·13 cites·7 claims
- 1944US6129902AManufacturing method of active materials for the positive electrode in alkaline storage batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 10, 2000·12 cites·7 claims
- 2044US2008026285A1Alkaline BatterySAWADA KATSUYA·Filed 2005·Application pending·0 cites
- 2142US2008063933A1Alkaline Dry BatteryOKADA TADAYA·Filed 2006·Application pending·0 cites
- 2242US2007184344A1Alkaline batteryMUKAI YASUO·Filed 2005·Application pending·0 cites
- 2341US2005019658A1Alkali cellFiled 2003·Application pending·0 cites
- 2439US2005271942A1Alkaline dry battery and method of producing the sameIZUMI HIDEKATSU·Filed 2005·Application pending·0 cites
- 2533US6156456APositive electrode active material for alkaline storage batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 5, 2000·4 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →