Inventor · disambiguated record
Masato Tanaka
Also filed as: TANAKA MASATO
374 granted patents·138 pending applications·5,166 citations·filing 1979–2025
99Inventor score
Top patents by PatentIndex Score
512 records- 0198US9869032B2Manufacturing method of phthalocyanine crystal by milling crystal transformation for at least 1,000 hoursCANON KK·Filed 2016·Granted Jan 16, 2018·32 cites·2 claims
- 0298US9645516B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted May 9, 2017·36 cites·12 claims
- 0398US9563139B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Feb 7, 2017·36 cites·11 claims
- 0498US9535347B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Jan 3, 2017·23 cites·10 claims
- 0598US9068083B2Method of producing gallium phthalocyanine crystal and method of producing electrophotographic photosensitive member using the method of producing gallium phthalocyanine crystalCANON KK·Filed 2012·Granted Jun 30, 2015·28 cites·12 claims
- 0698US8974991B2Electrophotographic photosensitive member, method of producing phthalocyanine crystal, method of producing electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and phthalocyanine crystalCANON KK·Filed 2012·Granted Mar 10, 2015·31 cites·5 claims
- 0798US8841052B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2012·Granted Sep 23, 2014·32 cites·9 claims
- 0898US8088541B2Polyvinyl acetal resin, electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusTANAKA MASATO·Filed 2006·Granted Jan 3, 2012·52 cites·7 claims
- 0997US9645515B2Electrophotographic photosensitive member and manufacturing method thereof, process cartridge and electrophotographic apparatus, and phthalocyanine crystal and manufacturing method thereofCANON KK·Filed 2015·Granted May 9, 2017·31 cites·18 claims
- 1097US9541850B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2015·Granted Jan 10, 2017·19 cites·10 claims
- 1197US9459545B2Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and a solid solution and manufacturing method of a solid solutionCANON KK·Filed 2015·Granted Oct 4, 2016·22 cites·17 claims
- 1297US9459542B2Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and gallium phthalocyanine crystalCANON KK·Filed 2012·Granted Oct 4, 2016·24 cites·9 claims
- 1397US9436106B2Electrophotographic photosensitive member and manufacturing method therefor, process cartridge and electrophotographic apparatus including the electrophotographic photosensitive member, and phthalocyanine crystal and method producing thereforCANON KK·Filed 2015·Granted Sep 6, 2016·33 cites·13 claims
- 1497US8481236B2Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusTANAKA MASATO·Filed 2010·Granted Jul 9, 2013·23 cites·7 claims
- 1597US7910274B2Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2009·Granted Mar 22, 2011·57 cites·17 claims
- 1697US7517626B2Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge which make use of the sameCANON KK·Filed 2007·Granted Apr 14, 2009·26 cites·6 claims
- 1797US7333752B2Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus which have the electrophotographic photosensitive memberCANON KK·Filed 2006·Granted Feb 19, 2008·42 cites·7 claims
- 1896US9500966B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2014·Granted Nov 22, 2016·18 cites·20 claims
- 1996US8865381B2Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatusTANAKA MASATO·Filed 2010·Granted Oct 21, 2014·18 cites·11 claims
- 2096US8415078B2Electrophotographic photosensitive member, process electrophotographic apparatusTANAKA MASATO·Filed 2011·Granted Apr 9, 2013·19 cites·17 claims
- 2195US9244369B2Electrophotographic photosensitive member, production method for electrophotographic photosensitive member, process cartridge and electrophotographic apparatus, and particle having compound adsorbed theretoCANON KK·Filed 2013·Granted Jan 26, 2016·10 cites·15 claims
- 2295US8518615B2Method of drying organic pigment, method of processing phthalocyanine pigment, and method of manufacturing electrophotographic photosensitive memberTANAKA MASATO·Filed 2010·Granted Aug 27, 2013·11 cites·12 claims
- 2395US8419442B2Socket and method of fabricating the sameHORIKAWA YASUYOSHI·Filed 2011·Granted Apr 16, 2013·42 cites·11 claims
- 2495US4559568AApparatus for re-recording a digital signal on a record medium and for reproducing the same therefromSONY CORP·Filed 1983·Granted Dec 17, 1985·51 cites·12 claims
- 2595US4389681AMethod and apparatus for recording digitized information on a record mediumSONY CORP·Filed 1981·Granted Jun 21, 1983·54 cites·35 claims
- 2694US5032217ASystem for treating a surface of a rotating waferDAINIPPON SCREEN MFG·Filed 1989·Granted Jul 16, 1991·141 cites·10 claims
- 2794US4871417AMethod and apparatus for surface treating of substratesDAINIPPON SCREEN MFG·Filed 1987·Granted Oct 3, 1989·157 cites·19 claims
- 2894US4466029AMethod and apparatus for detecting an edit point on a record mediumSONY CORP·Filed 1981·Granted Aug 14, 1984·47 cites·18 claims
- 2993US7037994B2Acenaphthylene derivative, polymer, and antireflection film-forming compositionJSR CORP·Filed 2003·Granted May 2, 2006·32 cites·15 claims
- 3093US5398303AFuzzy data processing method and data smoothing filterYAMATAKE HONEYWELL CO LTD·Filed 1992·Granted Mar 14, 1995·137 cites·1 claims
- 3193US5288333AWafer cleaning method and apparatus thereforeDAINIPPON SCREEN MFG·Filed 1992·Granted Feb 22, 1994·200 cites·12 claims
- 3293US5193560ACleaning system using a solventTIYODA SEISAKUSHO KK·Filed 1991·Granted Mar 16, 1993·116 cites·10 claims
- 3391US11402585B2Optical connection structureSUMITOMO ELECTRIC INDUSTRIES·Filed 2020·Granted Aug 2, 2022·3 cites·19 claims
- 3491US5520744ADevice for rinsing and drying substrateDAINIPPON SCREEN MFG·Filed 1994·Granted May 28, 1996·210 cites·11 claims
- 3591US5252766AMethod for producing polysilanesAGENCY IND SCIENCE TECHN·Filed 1991·Granted Oct 12, 1993·49 cites·12 claims
- 3691US5248380AMethod of treating surface of rotating wafer using surface treating gasDAINIPPON SCREEN MFG·Filed 1991·Granted Sep 28, 1993·88 cites·23 claims
- 3791US4348699AApparatus for recording and/or reproducing digital signalSONY CORP·Filed 1980·Granted Sep 7, 1982·39 cites·11 claims
- 3890US11262564B2Optical element, display device using same, and photoreceptor deviceSHIMADZU CORP·Filed 2016·Granted Mar 1, 2022·8 cites·7 claims
- 3990US9114850B2Motor drive control deviceMICROSPACE CORP·Filed 2013·Granted Aug 25, 2015·20 cites·17 claims
- 4090US6190811B1Electrophotographic photosensitive member process cartridge and electrophotographic apparatusCANON KK·Filed 1999·Granted Feb 20, 2001·48 cites·27 claims
- 4190US5078832AMethod of treating wafer surfaceDAINIPPON SCREEN MFG·Filed 1990·Granted Jan 7, 1992·136 cites·23 claims
- 4290US4910736AEncoding method and apparatus for recording data with an identification code and an error check codeSONY CORP·Filed 1988·Granted Mar 20, 1990·41 cites·18 claims
- 4389US9709907B2Electrophotographic photosensitive member, process cartridge and electrophotographic apparatusCANON KK·Filed 2015·Granted Jul 18, 2017·4 cites·11 claims
- 4489US6898819B2Disposable tooth cleaning articlePROCTER & GAMBLE·Filed 2003·Granted May 31, 2005·47 cites·8 claims
- 4589US6335132B1Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive memberCANON KK·Filed 2000·Granted Jan 1, 2002·34 cites·17 claims
- 4689US4697212AMethod and apparatus for recording a digital information signalSONY CORP·Filed 1984·Granted Sep 29, 1987·39 cites·6 claims
- 4788US7376470B2Control method and apparatusYAMATAKE CORP·Filed 2005·Granted May 20, 2008·19 cites·67 claims
- 4887US11725635B1Fabric-based inflatable structures with textured pattern designs and variable stiffnessTOYOTA ENG & MFG NORTH AMERICA·Filed 2022·Granted Aug 15, 2023·3 cites·20 claims
- 4987US9000302B2Wiring boardSHINKO ELECTRIC IND CO·Filed 2014·Granted Apr 7, 2015·8 cites·10 claims
- 5087US8994193B2Semiconductor package including a metal plate, semiconductor chip, and wiring structure, semiconductor apparatus and method for manufacturing semiconductor packageSHINKO ELECTRIC IND CO·Filed 2013·Granted Mar 31, 2015·9 cites·11 claims
Showing the top 50 of 512 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masato Tanaka 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 →