Inventor · disambiguated record
Shinichi Sumiyama
Also filed as: SUMIYAMA SHINICHI
9 granted patents·8 pending applications·69 citations·filing 1999–2016
82Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD5PANASONIC CORP4PANASONIC IP MAN CO LTD2SUMIYAMA SHINICHI2HANO MASATOSHI1
Top patents by PatentIndex Score
17 records- 0177US9627657B2Cylindrical alkaline storage batteryPANASONIC CORP·Filed 2013·Granted Apr 18, 2017·2 cites·7 claims
- 0277US6566009B1Alkaline batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted May 20, 2003·60 cites·4 claims
- 0364US8080336B2Alkaline dry batteryIZUMI HIDEKATSU·Filed 2007·Granted Dec 20, 2011·2 cites·17 claims
- 0462US7244529B2Alkaline dry batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 17, 2007·5 cites·4 claims
- 0554US7820326B2Alkaline batteryPANASONIC CORP·Filed 2009·Granted Oct 26, 2010·0 cites·6 claims
- 0653US9997776B2Alloy powder for electrodes, negative electrode for nickel-metal hydride storage batteries including the same, and nickel-metal hydride storage battery including the samePANASONIC IP MAN CO LTD·Filed 2014·Granted Jun 12, 2018·0 cites·15 claims
- 0753US9755226B2Nickel-hydrogen storage battery and battery packPANASONIC CORP·Filed 2013·Granted Sep 5, 2017·0 cites·13 claims
- 0852US8080339B2Gelled negative electrode for alkaline battery and alkaline batterySUMIYAMA SHINICHI·Filed 2008·Granted Dec 20, 2011·0 cites·14 claims
- 0949US9893347B2Alloy powder for electrode, negative electrode for alkaline storage battery using the same, and alkaline storage batteryPANASONIC CORP·Filed 2013·Granted Feb 13, 2018·0 cites·15 claims
- 1046US2005064284A1Alkaline dry batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 1145US2006269836A1Battery packMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 1244US2009081536A1Battery can, battery using the same, and method for manufacturing the sameHANO MASATOSHI·Filed 2008·Application pending·0 cites
- 1343US2008096108A1Alkaline batterySUMIYAMA SHINICHI·Filed 2007·Application pending·0 cites
- 1442US2005031959A1Positive electrode material mixture and alkaline battery using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 1541US2005042510A1Alkaline dry batteryFiled 2004·Application pending·0 cites
- 1639US2018034046A1Alloy powder for electrodes, negative electrode for nickel-metal hydride storage batteries using same, and nickel-metal hydride storage batteryPANASONIC IP MAN CO LTD·Filed 2016·Application pending·0 cites
- 1736US2013065112A1Alkaline primary batteryUZUKA SHUNSUKE·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →