Inventor · disambiguated record
Katsuhiko Ishikawa
Also filed as: ISHIKAWA KATSUHIKO
10 granted patents·133 citations·filing 1975–2016
88Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD3MITSUBA CORP2FUJI XEROX CO LTD1KAJIMA CORP1NIPPON MITSUBISHI OIL CORP1
Top patents by PatentIndex Score
10 records- 0186US4603970AApparatus for inhibiting copying of confidential documentsFUJI XEROX CO LTD·Filed 1983·Granted Aug 5, 1986·33 cites·8 claims
- 0281US4071996AProcess for reinforcing reinforced concrete postKAJIMA CORP·Filed 1975·Granted Feb 7, 1978·45 cites·1 claims
- 0368US5812041ATerminal housing mounting structure for electromagnetic switchMITSUBA CORP·Filed 1996·Granted Sep 22, 1998·23 cites·12 claims
- 0465US6346756B1Motor rotation detection structureMITSUBA CORP·Filed 2000·Granted Feb 12, 2002·13 cites·2 claims
- 0552US7699256B2Spool, spool unit, and spool unit production methodSHIMANO KK·Filed 2006·Granted Apr 20, 2010·1 cites·4 claims
- 0647US4465457ALiquid fuel burning deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Aug 14, 1984·9 cites·6 claims
- 0741US9756689B2Light output control device, illumination system, and facility apparatusPANASONIC IP MAN CO LTD·Filed 2016·Granted Sep 5, 2017·0 cites·16 claims
- 0835US4790746AVaporizing fuel burnerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Dec 13, 1988·4 cites·9 claims
- 0934US6299758B1Low sulfur gas oilNIPPON MITSUBISHI OIL CORP·Filed 1999·Granted Oct 9, 2001·5 cites·20 claims
- 1027US4904181ACombustion equipmentMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Feb 27, 1990·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →