Inventor · disambiguated record
Takaaki Hikosaka
Also filed as: HIKOSAKA TAKAAKI
17 granted patents·5 pending applications·94 citations·filing 1996–2022
92Inventor score
Top patents by PatentIndex Score
22 records- 0191US7491346B2Polycarbonate resin and electrophotographic photosensitive member using sameIDEMITSU KOSAN CO·Filed 2005·Granted Feb 17, 2009·11 cites·11 claims
- 0285US8519082B2Polycarbonate copolymer, coating liquid using same, and electrophotographic photosensitive bodyHIKOSAKA TAKAAKI·Filed 2010·Granted Aug 27, 2013·4 cites·46 claims
- 0383US9188887B2Polycarbonate copolymer, coating fluid using same, electrophotographic photoreceptor, and method for producing polycarbonate copolymerHIRATA KENGO·Filed 2012·Granted Nov 17, 2015·5 cites·20 claims
- 0483US8470957B2Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compoundHIKOSAKA TAKAAKI·Filed 2012·Granted Jun 25, 2013·4 cites·10 claims
- 0579US6043334APolycarbonate resin, crosslinked polycarbonate resin and electrophotographic photoreceptorIDEMITSU KOSAN CO·Filed 1996·Granted Mar 28, 2000·35 cites·16 claims
- 0675US8344092B2Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compoundIDEMITSU KOSAN CO·Filed 2010·Granted Jan 1, 2013·2 cites·12 claims
- 0775US7893185B2Polycarbonate copolymer, method for producing the same, molded body, optical material, and electrophotographic photosensitive bodyIDEMITSU KOSAN CO·Filed 2007·Granted Feb 22, 2011·6 cites·19 claims
- 0866US2024209144A1Resin, resin composition, coating liquid composition, film, coating membrane, electrophotography photoreceptor, insulative material, molded product, electronic device, and resin manufacturing methodIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 0964US10787541B2Polycarbonate resin, method for producing polycarbonate resin, coating liquid, electrophotographic photoreceptor, and electrophotography deviceIDEMITSU KOSAN CO·Filed 2017·Granted Sep 29, 2020·0 cites·18 claims
- 1062US8207288B2Polycarbonate polymer, coating liquid, and electrophotographic photosensitive bodyHIKOSAKA TAKAAKI·Filed 2008·Granted Jun 26, 2012·2 cites·25 claims
- 1161US6136521APolycarbonate, and molding and electrophotographic photoreceptor prepared therefromIDEMITSU KOSAN CO·Filed 1998·Granted Oct 24, 2000·16 cites·17 claims
- 1259US2023340194A1Resin, resin precursor composition, coating composition, electrophotographic photoreceptor, molded article, electronic device, and electrophotographic photoreceptor production methodIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 1352USRE43604EPolycarbonate resin and electrophotographic photosensitive member using sameHIKOSAKA TAKAAKI·Filed 2005·Granted Aug 28, 2012·0 cites·21 claims
- 1452US7888455B2Polycarbonate copolymer, method for producing the same, molded body, optical material, and electrophotographic photosensitive bodyIDEMITSU KOSAN CO·Filed 2010·Granted Feb 15, 2011·0 cites·22 claims
- 1546US6538063B1Resin composition, binder resin for toner and tonerIDEMITSU KOSAN CO·Filed 1999·Granted Mar 25, 2003·7 cites·11 claims
- 1646US2003105240A1Resin composition, binder resin for toner and tonerIDEMITSU KOSAN CO·Filed 2002·Application pending·0 cites
- 1742US8043775B2Electrophotographic photosensitive bodyIDEMITSU KOSAN CO·Filed 2006·Granted Oct 25, 2011·0 cites·3 claims
- 1841US9494883B2Electrophotographic photoreceptor and resin compositionMORISHITA HIRONOBU·Filed 2012·Granted Nov 15, 2016·0 cites·6 claims
- 1940US6756170B2Electrostatic image developing toner and image-forming method using the sameTOYO INK MFG CO·Filed 2002·Granted Jun 29, 2004·2 cites·6 claims
- 2039US11269263B2Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic deviceIDEMITSU KOSAN CO·Filed 2016·Granted Mar 8, 2022·0 cites·16 claims
- 2139US2008146759A1Sulfur-Containing Compound, Method for Producing Same, Sulfur-Containing Polymer, and Optical MaterialTAKASHIMA YORIYUKI·Filed 2005·Application pending·0 cites
- 2238US2020263029A1Resin composition, electrophotographic photosensitive material, and electrophotographic deviceIDEMITSU KOSAN CO·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →