Inventor · disambiguated record
Kenji Otsuka
Also filed as: OTSUKA KENJI
42 granted patents·31 pending applications·1,698 citations·filing 1995–2021
98Inventor score
Top patents by PatentIndex Score
73 records- 0199US7936142B2Portable drilling deviceNITTO KOHKI CO·Filed 2006·Granted May 3, 2011·977 cites·20 claims
- 0295US8188842B2Stationary remote control transmitterOTSUKA KENJI·Filed 2009·Granted May 29, 2012·88 cites·2 claims
- 0392US8138942B2Remote control transmitting deviceOTSUKA KENJI·Filed 2009·Granted Mar 20, 2012·67 cites·5 claims
- 0487US6762813B1Electro-optical device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 1997·Granted Jul 13, 2004·61 cites·21 claims
- 0586US8068013B2RF communication module and RF communication systemOTSUKA KENJI·Filed 2007·Granted Nov 29, 2011·37 cites·15 claims
- 0686US7328874B2Supporting device for non-averaged forceWATERWORKS TECHNOLOGY DEV ORG·Filed 2006·Granted Feb 12, 2008·20 cites·11 claims
- 0785US6749819B2Process for purifying ammoniaJAPAN PIONICS·Filed 2001·Granted Jun 15, 2004·36 cites·17 claims
- 0884US9789691B2Joining method, apparatus of manufacturing joined body, joined body, ink jet head unit, and ink jet type recording apparatusSEIKO EPSON CORP·Filed 2015·Granted Oct 17, 2017·2 cites·18 claims
- 0984US5895521ADust removing apparatus and dust removing methodJAPAN PIONICS·Filed 1997·Granted Apr 20, 1999·70 cites·6 claims
- 1083US8029111B2Droplet ejection head and droplet ejection apparatusSEIKO EPSON CORP·Filed 2008·Granted Oct 4, 2011·7 cites·33 claims
- 1182US10007975B2Image processing device and GUI configuration command method for image processing deviceSONY CORP·Filed 2014·Granted Jun 26, 2018·7 cites·13 claims
- 1279US7333169B2Electro-optical device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2003·Granted Feb 19, 2008·13 cites·16 claims
- 1375US11821086B2Particle coating method and particle coating apparatusSEIKO EPSON CORP·Filed 2021·Granted Nov 21, 2023·0 cites·5 claims
- 1475US7195022B2Production apparatus for producing gallium nitride semiconductor film and cleaning apparatus for exhaust gasSUMITOMO ELECTRIC INDUSTRIES·Filed 2005·Granted Mar 27, 2007·2 cites·3 claims
- 1574US6175348B1Electro-optical deviceSEMICONDUCTOR ENERGY LAB·Filed 1999·Granted Jan 16, 2001·31 cites·24 claims
- 1673US6261345B1Process and apparatus for recovering ammoniaJAPAN PIONICS·Filed 1999·Granted Jul 17, 2001·41 cites·8 claims
- 1772US11220749B2Particle coating method and particle coating apparatusSEIKO EPSON CORP·Filed 2020·Granted Jan 11, 2022·0 cites·3 claims
- 1872US7868984B2Electro-optical device and method of manufacturing the sameSEMICONDUCTOR ENERGY LAB·Filed 2007·Granted Jan 11, 2011·2 cites·17 claims
- 1971US10189259B2Joining method, apparatus of manufacturing joined body, joined body, ink jet head unit, and ink jet type recording apparatusSEIKO EPSON CORP·Filed 2017·Granted Jan 29, 2019·0 cites·17 claims
- 2071US6429843B1Electro-optical deviceSEMICONDUCTOR ENERGY LAB·Filed 2000·Granted Aug 6, 2002·9 cites·82 claims
- 2171US5956009AElectro-optical deviceSEMICONDUCTOR ENERGY LAB·Filed 1997·Granted Sep 21, 1999·29 cites·19 claims
- 2267US6579509B1Method of cleaning of harmful gas and cleaning apparatusJAPAN PIONICS·Filed 2000·Granted Jun 17, 2003·15 cites·17 claims
- 2367US6331281B1Process and apparatus for cleaning exhaust gasJAPAN PIONICS·Filed 1999·Granted Dec 18, 2001·37 cites·14 claims
- 2464US5489327AProcess for purifying hydrogen gasJAPAN PIONICS·Filed 1995·Granted Feb 6, 1996·24 cites·11 claims
- 2563US6447576B1Cleaning agent and cleaning process of harmful gasJAPAN PIONICS·Filed 2000·Granted Sep 10, 2002·11 cites·14 claims
- 2662US10287420B2Thermal expansion resin compositionSEKISUI CHEMICAL CO LTD·Filed 2013·Granted May 14, 2019·0 cites·3 claims
- 2762US6638489B2Cleaning process and cleaning agent for harmful gasJAPAN PIONICS·Filed 2001·Granted Oct 28, 2003·10 cites·4 claims
- 2861US8128202B2Nozzle plate, method for manufacturing nozzle plate, droplet discharge head, and droplet discharge deviceMATSUO YASUHIDE·Filed 2009·Granted Mar 6, 2012·2 cites·29 claims
- 2960US9994693B2Thermally expandable resin compositionSEKISUI CHEMICAL CO LTD·Filed 2013·Granted Jun 12, 2018·0 cites·10 claims
- 3060US5670445ACleaning agent of harmful gas and cleaning methodJAPAN PIONICS·Filed 1995·Granted Sep 23, 1997·25 cites·8 claims
- 3159US5589148AProcess for purifying halogen-containing gasJAPAN PIONICS·Filed 1995·Granted Dec 31, 1996·23 cites·19 claims
- 3259US2023331516A1Elevating machine operation information display systemHITACHI LTD·Filed 2021·Application pending·0 cites
- 3357US6960552B2Decompositionally treating agent and decompositionally treating method for fluorocarbonsJAPAN PIONICS·Filed 2002·Granted Nov 1, 2005·4 cites·29 claims
- 3457US2011100688A1Electro-Optical Device and Method of Manufacturing the SameSEMICONDUCTOR ENERGY LAB·Filed 2011·Application pending·0 cites
- 3557US2010098954A1Optical element and optical element manufacturing methodSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 3657US2007128359A1Production apparatus for producing gallium nitride film semiconductor and cleaning apparatus for exhaust gasSUMITOMO ELECTRIC INDUSTIRES L·Filed 2007·Application pending·0 cites
- 3755US2010151231A1Bonded body and bonding methodSEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 3855US2010323193A1Base member including bonding film, bonding method and bonded bodySEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 3955US2010323192A1Base member including bonding film, bonding method and bonded bodySEIKO EPSON CORP·Filed 2008·Application pending·0 cites
- 4054US10377135B2Electronic device, liquid ejection head, and method of manufacturing electronic deviceSEIKO EPSON CORP·Filed 2016·Granted Aug 13, 2019·0 cites·15 claims
- 4153US5935540ACleaning process for harmful gasJAPAN PIONICS·Filed 1998·Granted Aug 10, 1999·19 cites·10 claims
- 4251US2023341143A1Air-Conditioning SystemHITACHI LTD·Filed 2020·Application pending·0 cites
- 4350US2010028093A1Drilling apparatusOTSUKA KENJI·Filed 2008·Application pending·0 cites
- 4447US2024026671A1Information output deviceHITACHI LTD·Filed 2020·Application pending·0 cites
- 4547US2014180622A1Safety instrument system and pst initiating methodAZBIL CORP·Filed 2013·Application pending·0 cites
- 4647US2010101719A1Optical element and method for producing sameSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 4747US2010104878A1Bonding method, bonded structure, and optical elementSEIKO EPSON CORP·Filed 2009·Application pending·0 cites
- 4847US2014180623A1Safety instrument system and pst initiating methodAZBIL CORP·Filed 2013·Application pending·0 cites
- 4947US2023377397A1Entry/Exit Management System and Entry/Exit Management MethodHITACHI LTD·Filed 2020·Application pending·0 cites
- 5046US10967487B2Threaded member tightening tool and counting apparatusNITTO KOHKI CO·Filed 2018·Granted Apr 6, 2021·0 cites·16 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →