Inventor · disambiguated record
Seiji Mashimo
Also filed as: MASHIMO SEIJI
29 granted patents·10 pending applications·826 citations·filing 1995–2024
97Inventor score
Top patents by PatentIndex Score
39 records- 0199US6517957B1Organic compound and electroluminescent device using the sameCANON KK·Filed 1998·Granted Feb 11, 2003·200 cites·4 claims
- 0295US6436559B1Organic luminescence deviceCANON KK·Filed 2000·Granted Aug 20, 2002·69 cites·19 claims
- 0394US7964037B2Deposition apparatusCANON KK·Filed 2007·Granted Jun 21, 2011·47 cites·5 claims
- 0484US6858325B2Organic compound and electroluminescent device using the sameCANON KK·Filed 2002·Granted Feb 22, 2005·26 cites·4 claims
- 0582US6534198B1Silicon compound, method for making the same, and electroluminescent device using the sameCANON KK·Filed 1998·Granted Mar 18, 2003·23 cites·20 claims
- 0679US6504565B1Light-emitting device, exposure device, and image forming apparatusCANON KK·Filed 1999·Granted Jan 7, 2003·61 cites·28 claims
- 0778US6301459B1Charging apparatus with first and second charging membersCANON KK·Filed 2000·Granted Oct 9, 2001·13 cites·34 claims
- 0874US6215244B1Stacked organic light emitting device with specific electrode arrangementCANON KK·Filed 1998·Granted Apr 10, 2001·100 cites·32 claims
- 0973US6266074B1Light emitting apparatus with temperature control, exposure apparatus, and image forming apparatusCANON KK·Filed 1999·Granted Jul 24, 2001·28 cites·20 claims
- 1069US2025051903A1Vapor deposition mask and method of manufacturing organic electroluminescent element by using vapor deposition maskCANON KK·Filed 2024·Application pending·0 cites
- 1168US6833200B2Luminescent device with a triarylamine compoundCANON KK·Filed 2003·Granted Dec 21, 2004·11 cites·3 claims
- 1268US6583557B2Organic luminescent elementCANON KK·Filed 2001·Granted Jun 24, 2003·13 cites·10 claims
- 1368US6301455B1Charging member, charging device and image forming apparatus wherein deposition of magnetic particles to a member to be charged is effectively preventedCANON KK·Filed 2000·Granted Oct 9, 2001·8 cites·11 claims
- 1466US6061539ACharging member, charging device and image forming apparatusCANON KK·Filed 1995·Granted May 9, 2000·13 cites·37 claims
- 1565US5659852AImage forming method, image forming apparatus and process cartridgeCANON KK·Filed 1996·Granted Aug 19, 1997·17 cites·223 claims
- 1664US5579095ACharging deviceCANON KK·Filed 1995·Granted Nov 26, 1996·16 cites·30 claims
- 1762US5729802AContact charger for charging a photosensitive memberCANON KK·Filed 1996·Granted Mar 17, 1998·15 cites·8 claims
- 1861US6121994AImage forming apparatus and light emitting apparatusCANON KK·Filed 1998·Granted Sep 19, 2000·27 cites·18 claims
- 1960US6740430B2Organic luminescence deviceCANON KK·Filed 2002·Granted May 25, 2004·9 cites·8 claims
- 2055US5666192ACharging member and image forming apparatusCANON KK·Filed 1995·Granted Sep 9, 1997·11 cites·24 claims
- 2155US2025081806A1Light emitting apparatus, manufacturing method thereof, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2253US6017644AOrganic compound, its polymer and light emitting deviceCANON KK·Filed 1998·Granted Jan 25, 2000·17 cites·12 claims
- 2352US2007221131A1Vapor deposition source and vapor deposition apparatusCANON KK·Filed 2007·Application pending·0 cites
- 2448US8398774B2Method of manufacturing organic light emitting device and vapor deposition systemOTSUKA MANABU·Filed 2006·Granted Mar 19, 2013·0 cites·2 claims
- 2548US5754927AMagnetic charging brush having particular magnetic fieldsCANON KK·Filed 1996·Granted May 19, 1998·8 cites·19 claims
- 2648US2008268136A1Method of producing organic light emitting apparatusCANON KK·Filed 2008·Application pending·0 cites
- 2747US2012083062A1Method of manufacturing organic light emitting deviceOTSUKA MANABU·Filed 2011·Application pending·0 cites
- 2846US6583805B2Exposure unit for image forming apparatus using electrophotographic system, and electrophotographic image forming apparatusCANON KK·Filed 1999·Granted Jun 24, 2003·29 cites·14 claims
- 2946US6188420B1Image forming apparatusCANON KK·Filed 1998·Granted Feb 13, 2001·11 cites·9 claims
- 3044US6661445B2Exposure apparatus with an array of light emitting devicesCANON KK·Filed 1999·Granted Dec 9, 2003·25 cites·3 claims
- 3144US2005025997A1Luminescent device with a triarylamine compoundCANON KK·Filed 2004·Application pending·0 cites
- 3242US6344661B1Light emitting element array, exposure device and image forming apparatusCANON KK·Filed 1999·Granted Feb 5, 2002·21 cites·10 claims
- 3340US2003044518A1Organic luminescence device and process for production thereofCANON KK·Filed 2002·Application pending·0 cites
- 3439US2002045062A1Organic luminescence device and process for production thereofFiled 2001·Application pending·0 cites
- 3538US5747207AElectrophotographic apparatus with charge injection layer on photosensitive memberCANON KK·Filed 1996·Granted May 5, 1998·4 cites·6 claims
- 3637US6236416B1Image forming apparatus featuring a plurality of light emission elements on a single chipCANON KK·Filed 1998·Granted May 22, 2001·4 cites·20 claims
- 3737US2001051487A1Method for making organic luminescent deviceFiled 2001·Application pending·0 cites
- 3835US2015280175A1Method for manufacturing organic light emitting elementCANON KK·Filed 2015·Application pending·0 cites
- 3932US7022867B2Silicon compound and method for making the sameCANON KK·Filed 2002·Granted Apr 4, 2006·0 cites·18 claims
Join the waitlist — get patent alerts
Get an alert when Seiji Mashimo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →