Inventor · disambiguated record
Kenichi Koyama
Also filed as: KOHNO OSAMU · KOYAMA KENICHI · NOMURA HAREHIKO
49 granted patents·5 pending applications·795 citations·filing 1977–2020
98Inventor score
Files withMITSUBISHI ELECTRIC CORP19OLYMPUS CORP12AGENCY IND SCIENCE TECHN6SUNSHO PHARMACEUTICAL CO LTD4OLYMPUS OPTICAL CO3
Top patents by PatentIndex Score
54 records- 0193US7345814B2Microscope system and microscope focus maintaining device for the sameOLYMPUS CORP·Filed 2004·Granted Mar 18, 2008·48 cites·19 claims
- 0289US7382531B2Microscope and method of preventing dew condensation on objective lensOLYMPUS CORP·Filed 2005·Granted Jun 3, 2008·24 cites·19 claims
- 0389US6625032B1Aqueous dispersion forming conductive layer, conductive layer, electronic compent, circuit board and method for manufacturing the same, and multilayer wiring board and method for manufacturing the sameJSR CORP·Filed 2000·Granted Sep 23, 2003·42 cites·16 claims
- 0488US6865072B2Metal-enclosed switchgearMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Mar 8, 2005·35 cites·9 claims
- 0587US7986824B2Predetermined site luminescence measuring method, predetermined site luminescence measuring apparatus, expression amount measuring method, and measuring apparatusOLYMPUS CORP·Filed 2006·Granted Jul 26, 2011·14 cites·37 claims
- 0686US6226118B1Optical microscopeOLYMPUS OPTICAL CO·Filed 1998·Granted May 1, 2001·66 cites·14 claims
- 0786US4377905AMethod for manufacturing a Nb3 Sn superconductor and method for manufacturing hollow superconducting magnetAGENCY IND SCIENCE TECHN·Filed 1981·Granted Mar 29, 1983·36 cites·11 claims
- 0883US6116073ACluster type multi-roll rolling mill and rolling methodHITACHI LTD·Filed 1996·Granted Sep 12, 2000·20 cites·4 claims
- 0982US7910355B2Culture observation apparatusOLYMPUS CORP·Filed 2005·Granted Mar 22, 2011·6 cites·18 claims
- 1082US7268938B2In-vivo examination apparatusOLYMPUS COPORATION·Filed 2005·Granted Sep 11, 2007·16 cites·8 claims
- 1180US8280142B2Predetermined site luminescence measuring method, predetermined site luminescence measuring apparatus, expression amount measuring method, and measuring apparatusSUZUKI HIROBUMI·Filed 2011·Granted Oct 2, 2012·6 cites·8 claims
- 1280US8110394B2Culture microscope apparatusHASEGAWA KAZUHIRO·Filed 2010·Granted Feb 7, 2012·5 cites·7 claims
- 1380US4568900AForced-cooled superconductorAGENCY IND SCIENCE TECHN·Filed 1983·Granted Feb 4, 1986·28 cites·7 claims
- 1479US4200767ASuperconductor covered with reinforced aluminum matrixAGENCY IND SCIENCE TECHN·Filed 1977·Granted Apr 29, 1980·25 cites·3 claims
- 1578US6051893AElectric power supply system for loadMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Apr 18, 2000·86 cites·3 claims
- 1677US7816126B2Culture observation apparatus, sample tray heat-insulating device and lidOLYMPUS CORP·Filed 2005·Granted Oct 19, 2010·3 cites·22 claims
- 1776US6479778B1Vacuum switch including windmill-shaped electrodesMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Nov 12, 2002·22 cites·9 claims
- 1876US5597993AVacuum interrupterMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jan 28, 1997·24 cites·3 claims
- 1975US4506109AAl-stabilized superconducting wire and the method for producing the sameAGENCY IND SCIENCE TECHN·Filed 1982·Granted Mar 19, 1985·23 cites·6 claims
- 2073US7289265B2Microscope illumination intensity measuring deviceOLYMPUS CORP·Filed 2005·Granted Oct 30, 2007·6 cites·12 claims
- 2173US6927356B2Enclosed switchgearMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Aug 9, 2005·18 cites·5 claims
- 2273US6580345B2Switching deviceMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Jun 17, 2003·18 cites·17 claims
- 2372US8192982B2Tissue culture microscope apparatusHASEGAWA KAZUHIRO·Filed 2006·Granted Jun 5, 2012·2 cites·30 claims
- 2472US4161062AMethod for producing hollow superconducting cablesAGENCY IND SCIENCE TECHN·Filed 1977·Granted Jul 17, 1979·27 cites·10 claims
- 2569US10905156B2Seamless capsule, filter and smoking equipment containing sameSUNSHO PHARMACEUTICAL CO LTD·Filed 2019·Granted Feb 2, 2021·0 cites·12 claims
- 2668US2022095674A1Seamless capsule, and filter and smoking device including sameSUNSHO PHARMACEUTICAL CO LTD·Filed 2019·Application pending·0 cites
- 2765US5495085AVacuum interrupterMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Feb 27, 1996·14 cites·3 claims
- 2864US7102475B2Magnetic actuatorMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Sep 5, 2006·12 cites·20 claims
- 2964US6359731B1Optical element switching apparatusOLYMPUS OPTICAL CO·Filed 1999·Granted Mar 19, 2002·26 cites·6 claims
- 3064US6046423ASwitchgearMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Apr 4, 2000·17 cites·14 claims
- 3164US5692407AShape control in a strip rolling mill of cluster typeHITACHI LTD·Filed 1994·Granted Dec 2, 1997·13 cites·28 claims
- 3261US7612316B2Focus detection device and fluorescent observation device using the sameOLYMPUS CORP·Filed 2007·Granted Nov 3, 2009·2 cites·11 claims
- 3360US6028471ASwitching device with parallel switchMITSUBISHI ELECTRIC CORP·Filed 1997·Granted Feb 22, 2000·17 cites·16 claims
- 3458US6812592B2Voltage fluctuation compensating apparatusMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 2, 2004·10 cites·13 claims
- 3558US6611413B2Switching apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Aug 26, 2003·9 cites·8 claims
- 3658US5646386AVacuum interrupterMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Jul 8, 1997·12 cites·7 claims
- 3757US4659007AThe method for producing an Al-stabilized superconducting wireAGENCY IND SCIENCE TECHN·Filed 1984·Granted Apr 21, 1987·11 cites·12 claims
- 3856US7304282B2Focus detection device and fluorescent observation device using the sameOLYMPUS CORP·Filed 2006·Granted Dec 4, 2007·1 cites·7 claims
- 3956US6956305B2Voltage fluctuation compensating apparatusMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Oct 18, 2005·10 cites·27 claims
- 4055US6865021B2Incident illumination unit and microscope to which incident illumination unit is appliedOLYMPUS OPTICAL CO·Filed 2002·Granted Mar 8, 2005·4 cites·10 claims
- 4154US7799559B2Culture microscope apparatusOLYMPUS CORP·Filed 2004·Granted Sep 21, 2010·3 cites·16 claims
- 4253US2024016749A1Soft capsuleSUNSHO PHARMACEUTICAL CO LTD·Filed 2020·Application pending·0 cites
- 4350US2008123185A1Microscope system and microscope focus maintaining device for the sameOLYMPUS CORP·Filed 2008·Application pending·0 cites
- 4450US2008204865A1Microscope system and microscope focus maintaining device for the sameOLYMPUS CORP·Filed 2008·Application pending·0 cites
- 4549US7595188B2Observation apparatusOLYMPUS CORP·Filed 2005·Granted Sep 29, 2009·0 cites·6 claims
- 4648US6882515B2Operation circuit and power switching device employing the operation circuitMITSUBISHI ELECTRIC CORP·Filed 2003·Granted Apr 19, 2005·4 cites·13 claims
- 4748US6624374B2Switching apparatusMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Sep 23, 2003·5 cites·3 claims
- 4847US4285120ASuperconductor covered with reinforced aluminum matrix and method for manufacture thereofNOMURA HAREHIKO·Filed 1979·Granted Aug 25, 1981·9 cites·4 claims
- 4945US10493036B2Enteric capsuleSUNSHO PHARMACEUTICAL CO LTD·Filed 2016·Granted Dec 3, 2019·0 cites·15 claims
- 5044US5925382AAntioxidant composition and method for production thereofJAPAN CLINIC CO LTD·Filed 1997·Granted Jul 20, 1999·8 cites·11 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →