Inventor · disambiguated record
Hirofumi Iwaki
Also filed as: IWAKI HIROFUMI
4 granted patents·2 pending applications·24 citations·filing 1988–2007
71Inventor score
Top patents by PatentIndex Score
6 records- 0164US8080336B2Alkaline dry batteryIZUMI HIDEKATSU·Filed 2007·Granted Dec 20, 2011·2 cites·17 claims
- 0250US4869978ACylindrical alkaline batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Sep 26, 1989·16 cites·16 claims
- 0345US2006269836A1Battery packMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 0440US2007238024A1Alkaline batteryMUSHIGA TAKASHI·Filed 2007·Application pending·0 cites
- 0534US5316557AManufacturing process of alkaline cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 31, 1994·2 cites·7 claims
- 0626US6004687ACylindrical alkaline batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 21, 1999·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →