Inventor · disambiguated record
Ryohei Ashihara
Also filed as: ASHIHARA RYOHEI
8 granted patents·1 pending application·59 citations·filing 1988–2002
85Inventor score
Top patents by PatentIndex Score
9 records- 0171US4927719ADry cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted May 22, 1990·28 cites·5 claims
- 0255US7157182B2BatteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 2, 2007·2 cites·3 claims
- 0348US7169507B2Manganese dry batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jan 30, 2007·1 cites·1 claims
- 0445US4965149AMetal jacket and dry cell using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Oct 23, 1990·9 cites·21 claims
- 0541US5595836AManganese dry batteryMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Jan 21, 1997·7 cites·8 claims
- 0634US5017445ADry cellMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted May 21, 1991·7 cites·4 claims
- 0732US5853920AMethod of manufacturing zinc-titanium mother alloy and manganese dry batteryMITSUI MINING & SMELTING CO·Filed 1997·Granted Dec 29, 1998·3 cites·20 claims
- 0831US2003013014A1Manganese dry batteryFiled 2001·Application pending·0 cites
- 0926US6500584B1Manganese dry batteriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 31, 2002·2 cites·4 claims
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