Inventor · disambiguated record
Kengo Koike
Also filed as: KOIKE KENGO
13 granted patents·1 pending application·499 citations·filing 1979–2012
93Inventor score
Top patents by PatentIndex Score
14 records- 0197US6519165B2Dc-to-dc converterSANKEN ELECTRIC CO LTD·Filed 2001·Granted Feb 11, 2003·207 cites·14 claims
- 0293US7394670B2Switching power sourceSANKEN ELECTRIC CO LTD·Filed 2005·Granted Jul 1, 2008·48 cites·14 claims
- 0393US7035119B2Switching power source deviceSANKEN ELECTRIC CO LTD·Filed 2003·Granted Apr 25, 2006·98 cites·11 claims
- 0490US6515876B2Dc-to-dc converterSANKEN ELECTRIC CO LTD·Filed 2001·Granted Feb 4, 2003·89 cites·16 claims
- 0582US4659722ABactericidal N-(2,2,2 trichloroethyl)pyridinecarboxamidesNIPPON KAYAKU KK·Filed 1985·Granted Apr 21, 1987·19 cites·11 claims
- 0680US9350352B2Level shift circuit and switching power source apparatusKOIKE KENGO·Filed 2010·Granted May 24, 2016·8 cites·7 claims
- 0778US8686785B2Level shifterSANKEN ELECTRIC CO LTD·Filed 2012·Granted Apr 1, 2014·5 cites·4 claims
- 0867US4690934AN-phenylsulfonylisonicotinamide derivatives and their use as fungicides or bactericidesNIPPON KAYAKU KK·Filed 1986·Granted Sep 1, 1987·7 cites·17 claims
- 0966US4804762AN-cyanoalkylisonicotinamide derivativesNIPPON KAYAKU KK·Filed 1987·Granted Feb 14, 1989·7 cites·15 claims
- 1066US4500536ADerivatives of N,N'-substituted azolecarboxamide and agricultural and horticultural fungicidal or nematicidal composition containing same as active ingredientsNIPPON KAYAKU KK·Filed 1983·Granted Feb 19, 1985·6 cites·12 claims
- 1155US4294835A2-Hydroxy benzamide derivatives and use thereof as a fungicideNIPPON KAYAKU KK·Filed 1980·Granted Oct 13, 1981·3 cites·7 claims
- 1245US4284628A2-Hydroxy benzamide derivatives and use thereof as a fungicideNIPPON KAYAKU KK·Filed 1979·Granted Aug 18, 1981·2 cites·19 claims
- 1333US2012014145A1Startup circuitKOIKE KENGO·Filed 2011·Application pending·0 cites
- 1430US4325968ABenzenethiocarbamate derivativesNIPPON KAYAKU KK·Filed 1981·Granted Apr 20, 1982·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →