Inventor · disambiguated record
Junichiro Otsubo
Also filed as: OTSUBO JUNICHIRO
11 granted patents·7 pending applications·11 citations·filing 1986–2022
83Inventor score
Files withKYOCERA DOCUMENT SOLUTIONS INC7KUBOSHIMA DAISUKE3KYOCERA MITA CORP3OTSUBO JUNICHIRO3MARUO KEIJI1
Top patents by PatentIndex Score
18 records- 0172US7855286B2Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductorKYOCERA MITA CORP·Filed 2009·Granted Dec 21, 2010·3 cites·8 claims
- 0270US10007199B2Single-layer electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Jun 26, 2018·1 cites·8 claims
- 0368US8242261B2Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptorKUBOSHIMA DAISUKE·Filed 2010·Granted Aug 14, 2012·1 cites·6 claims
- 0466US9158264B2Electrophotographic photosensitive member and image forming apparatus including electrophotographic photosensitive memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Oct 13, 2015·1 cites·8 claims
- 0562US9213229B2Positively chargeable electrophotographic photosensitive member and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Dec 15, 2015·1 cites·11 claims
- 0656US8686133B2Oxo-titanylphthalocyanine crystal, method for producing the same and electrophotographic photoreceptorKUBOSHIMA DAISUKE·Filed 2012·Granted Apr 1, 2014·0 cites·8 claims
- 0754US7399564B2Electrophotographic photoconductorKYOCERA MITA CORP·Filed 2006·Granted Jul 15, 2008·1 cites·9 claims
- 0854US2008026310A1Oxo-titanylphthalocyanine crystal, method for producing the same, and electrophotographic photoreceptorKUBOSHIMA DAISUKE·Filed 2007·Application pending·0 cites
- 0948US9939744B2Multi-layer electrophotographic photosensitive memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Apr 10, 2018·0 cites·5 claims
- 1046US2007111123A1Titanyl phthalocyanin crystal, method for preparing the same and electrophotographic photoconductorOTSUBO JUNICHIRO·Filed 2006·Application pending·0 cites
- 1144US7693454B2Image forming apparatusKYOCERA MITA CORP·Filed 2007·Granted Apr 6, 2010·0 cites·14 claims
- 1244US2023097281A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Application pending·0 cites
- 1343US2014212802A1Multi-layered electrophotographic photosensite member, image forming apparatus, and method for producing multi-layered electrophotographic photosensitive memberKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Application pending·0 cites
- 1442US2024337957A1Electrophotographic photosensitive member, process cartridge, and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2022·Application pending·0 cites
- 1539US4795814AProcess for preparing novel dihydropyridine derivativesOTSUKA PHARMA CO LTD·Filed 1986·Granted Jan 3, 1989·3 cites·2 claims
- 1639US2008050666A1Electrophotographic photoconductor and image forming apparatusOTSUBO JUNICHIRO·Filed 2007·Application pending·0 cites
- 1735US2007077507A1Electrophotographic photoconductor and manufacturing method of electrophotographic photoconductorOTSUBO JUNICHIRO·Filed 2006·Application pending·0 cites
- 1831US8765337B2Multilayer type electrophotographic photoconductor and image forming apparatusMARUO KEIJI·Filed 2007·Granted Jul 1, 2014·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Junichiro Otsubo 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 →