Inventor · disambiguated record
Ryoichi Koga
Also filed as: KOGA RYOICHI
5 granted patents·2 pending applications·100 citations·filing 1982–2010
81Inventor score
Top patents by PatentIndex Score
7 records- 0187US4563571AElectric water heating device with decreased mineral scale depositionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jan 7, 1986·51 cites·12 claims
- 0277USD361521SWrist watchCITIZEN WATCH CO LTD·Filed 1994·Granted Aug 22, 1995·21 cites·1 claims
- 0364USD361727SWrist watchCITIZEN WATCH CO LTD·Filed 1994·Granted Aug 29, 1995·12 cites·1 claims
- 0444US2012148220A1Heat exchangerKOGA RYOICHI·Filed 2010·Application pending·0 cites
- 0536US2006156463A1Washing nozzle and toilet device using the sameKITANO TOMOAKI·Filed 2004·Application pending·0 cites
- 0635US5396223AEarthquake detecting apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Mar 7, 1995·14 cites·9 claims
- 0734USD361722SWrist watchCITIZEN WATCH CO LTD·Filed 1994·Granted Aug 29, 1995·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →