Inventor · disambiguated record
Yoshimasa Okamura
Also filed as: OKAMURA YOSHIMASA
22 granted patents·2 pending applications·449 citations·filing 1995–2016
96Inventor score
Top patents by PatentIndex Score
24 records- 0193US10006564B2Corrosion resistant coating for process gas control valveCKD CORP·Filed 2016·Granted Jun 26, 2018·7 cites·11 claims
- 0291US6852429B1Organic electroluminescent device based on pyrene derivativesCANON KK·Filed 2003·Granted Feb 8, 2005·71 cites·33 claims
- 0388US5546375AMethod of manufacturing a tip for scanning tunneling microscope using peeling layerCANON KK·Filed 1995·Granted Aug 13, 1996·107 cites·23 claims
- 0487US9266288B2Three-dimensional printing apparatusROLAND DG CORP·Filed 2014·Granted Feb 23, 2016·5 cites·5 claims
- 0586US8128201B2Non-wetting coating on a fluid ejectorOKAMURA YOSHIMASA·Filed 2007·Granted Mar 6, 2012·9 cites·31 claims
- 0684US6409566B1Method of manufacturing an electron source and image forming apparatus using the sameCANON KK·Filed 2001·Granted Jun 25, 2002·15 cites·2 claims
- 0783US8226208B2Non-wetting coating on a fluid ejectorOKAMURA YOSHIMASA·Filed 2011·Granted Jul 24, 2012·3 cites·17 claims
- 0883US6969679B2Fabrication of nanoscale thermoelectric devicesCANON KK·Filed 2003·Granted Nov 29, 2005·49 cites·11 claims
- 0983US5912531AElectron source and image-forming apparatusCANON KK·Filed 1997·Granted Jun 15, 1999·32 cites·69 claims
- 1081US8733897B2Non-wetting coating on a fluid ejectorOKAMURA YOSHIMASA·Filed 2009·Granted May 27, 2014·5 cites·14 claims
- 1179US8262200B2Non-wetting coating on a fluid ejectorOKAMURA YOSHIMASA·Filed 2009·Granted Sep 11, 2012·5 cites·19 claims
- 1279US6512329B1Image forming apparatus having spacers joined with a soft member and method of manufacturing the sameCANON KK·Filed 1998·Granted Jan 28, 2003·30 cites·22 claims
- 1376US6777868B1Electrification moderating film, electron beam system, image forming system, member with the electrification moderating film, and manufacturing method of image forming systemCANON KK·Filed 1999·Granted Aug 17, 2004·27 cites·48 claims
- 1472US9056472B2Non-wetting coating on a fluid ejectorFUJIFILM CORP·Filed 2014·Granted Jun 16, 2015·1 cites·9 claims
- 1572US6313571B1Electron source and image-forming apparatusCANON KK·Filed 1999·Granted Nov 6, 2001·18 cites·20 claims
- 1671US8523322B2Non-wetting coating on a fluid ejectorOKAMURA YOSHIMASA·Filed 2006·Granted Sep 3, 2013·3 cites·16 claims
- 1770US6063453AMethod of manufacturing electron-emitting device and image-forming apparatus comprising such devicesCANON KK·Filed 1997·Granted May 16, 2000·22 cites·11 claims
- 1869US6962758B2Organic light-emitting device using iptycene derivativesCANON KK·Filed 2004·Granted Nov 8, 2005·8 cites·3 claims
- 1969US6342754B1Charge-reducing film, image forming apparatus including said film and method of manufacturing said image forming apparatusCANON KK·Filed 1997·Granted Jan 29, 2002·19 cites·60 claims
- 2067US8038260B2Pattern of a non-wetting coating on a fluid ejector and apparatusFUJIFILM DIMATIX INC·Filed 2007·Granted Oct 18, 2011·2 cites·16 claims
- 2162US6447085B1Driving method of ink-jet recording head, and recording apparatus for performing the driving methodCANON KK·Filed 2000·Granted Sep 10, 2002·9 cites·23 claims
- 2255US6700321B2Image forming apparatus and method of manufacturing the sameCANON KK·Filed 2002·Granted Mar 2, 2004·2 cites·5 claims
- 2341US2005060884A1Fabrication of nanoscale thermoelectric devicesCANON KK·Filed 2003·Application pending·0 cites
- 2431US2004048099A1Organic light-emitting device using iptycene derivativesFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →