Inventor · disambiguated record
Koji Yokoyama
Also filed as: YOKOYAMA KOJI
24 granted patents·9 pending applications·129 citations·filing 1977–2024
95Inventor score
Top patents by PatentIndex Score
33 records- 0196US9799474B2Contactor and electromagnetic relayPANASONIC IP MAN CO LTD·Filed 2016·Granted Oct 24, 2017·10 cites·18 claims
- 0294US7907836B2Imaging apparatusRICOH CO LTD·Filed 2008·Granted Mar 15, 2011·18 cites·15 claims
- 0390US7247048B2Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanismRICOH KK·Filed 2005·Granted Jul 24, 2007·13 cites·6 claims
- 0487US2025033972A1Carbon material and method for manufacturing sameUNIV TOHOKU·Filed 2024·Application pending·0 cites
- 0581US10314301B2Method of preserving cellsSYSMEX CORP·Filed 2017·Granted Jun 11, 2019·2 cites·20 claims
- 0678US8422873B2Imaging apparatusSHINOHARA JUNICHI·Filed 2012·Granted Apr 16, 2013·2 cites·17 claims
- 0778US8204369B2Imaging apparatusSHINOHARA JUNICHI·Filed 2011·Granted Jun 19, 2012·2 cites·18 claims
- 0877US10046971B2Nitrogen-containing carbon material and method of manufacturing the sameSTELLA CHEMIFA CORP·Filed 2015·Granted Aug 14, 2018·1 cites·12 claims
- 0974US4462059ADemagnetizing power sourceKANETSU KOGYO·Filed 1981·Granted Jul 24, 1984·24 cites·7 claims
- 1073US12462986B2Electrolytic capacitor and method for producing samePANASONIC IP MAN CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·9 claims
- 1171US7165819B2Lift truckNIPPON YUSOKI CO LTD·Filed 2005·Granted Jan 23, 2007·10 cites·5 claims
- 1265USRE49236EContact device and electromagnetic relayPANASONIC IP MAN CO LTD·Filed 2019·Granted Oct 4, 2022·0 cites·25 claims
- 1365US7442075B2Battery contact mechanism, battery receiving structure, electric power unit, electronic equipment, and pressure-contacting mechanismRICOH KK·Filed 2007·Granted Oct 28, 2008·1 cites·9 claims
- 1462US12424390B2Electrolytic capacitor and method for producing samePANASONIC IP MAN CO LTD·Filed 2022·Granted Sep 23, 2025·0 cites·20 claims
- 1562US9921212B2Preventive and therapeutic drug for cartilaginous hyperplasia and method of screening for the sameUNIV KYOTO·Filed 2015·Granted Mar 20, 2018·1 cites·4 claims
- 1661US9338360B2Imaging apparatusRICOH CO LTD·Filed 2013·Granted May 10, 2016·0 cites·6 claims
- 1759US8639103B2Imaging apparatusSHINOHARA JUNICHI·Filed 2013·Granted Jan 28, 2014·0 cites·12 claims
- 1859US2019322531A1Carbon material and method for manufacturing sameUNIV TOHOKU·Filed 2017·Application pending·0 cites
- 1958US9679707B2Contact device and electromagnetic relayPANASONIC IP MAN CO LTD·Filed 2016·Granted Jun 13, 2017·0 cites·10 claims
- 2056US2016227110A1Imaging apparatusRICOH CO LTD·Filed 2016·Application pending·0 cites
- 2155US6940415B2Reach type forklift truckNIPPON YUSOKI CO LTD·Filed 2002·Granted Sep 6, 2005·7 cites·10 claims
- 2253US4372947AAntibiotic saframycin S and process for producing the sameARAI TADASHI·Filed 1980·Granted Feb 8, 1983·9 cites·2 claims
- 2347US2002098487A1Materials and methods for detecting fungiSS PHARMACEUTICAL CO·Filed 2001·Application pending·0 cites
- 2445US2014295450A1Cell analyzing method and cell analyzerSYSMEX CORP·Filed 2014·Application pending·0 cites
- 2544US4117399AMethod and apparatus for measuring electric quantities by using light convertersONO YUTAKA·Filed 1977·Granted Sep 26, 1978·9 cites·10 claims
- 2643US6067172ATerminal coupled to integrated services digital network having confirmation call operationRICOH KK·Filed 1996·Granted May 23, 2000·9 cites·18 claims
- 2741US2005200737A1Protective structure for display unit, digital camera and image-related apparatusFiled 2005·Application pending·0 cites
- 2841US2010182111A1Micro relayHAGIHARA YOSUKE·Filed 2008·Application pending·0 cites
- 2940US6268562B1Sealed container and method for assembling itHITACHI LTD·Filed 1994·Granted Jul 31, 2001·11 cites·11 claims
- 3040US2008150659A1Relay Device Using Conductive FluidMATSUSHITA ELECTRIC WORKS LTD·Filed 2006·Application pending·0 cites
- 3138US9339448B2Emulsion compositionKAIZU KAZUHIRO·Filed 2012·Granted May 17, 2016·0 cites·10 claims
- 3236US2003047389A1Lift truckNIPPON YUSOKI CO LTD·Filed 2002·Application pending·0 cites
- 3330US10151696B2Method for determining abnormality in particle analyzer and particle analyzerSYSMEX CORP·Filed 2015·Granted Dec 11, 2018·0 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →