Inventor
OGAWA NORIYOSHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA NORIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
18 patentsUS5916980AJun 29, 1999
Polycarbonate resin composition
MITSUBISHI GAS CHEMICAL CO17 citations83
US6630562B2Oct 7, 2003
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO13 citations82
US6340737B2Jan 22, 2002
Polycarbonate resin and optical article used the same
MITSUBISHI GAS CHEMICAL CO16 citations79
US6288204B1Sep 11, 2001
Branched polycarbonate resin and process for producing the same
MITSUBISHI GAS CHEMICAL CO7 citations71
US12006398B2Jun 11, 2024
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO2 citations70
US5428090AJun 27, 1995
Polycarbonate polymer derived from dihydroxy compound having triphenylamine structure and process for producing the same
MITSUBISHI GAS CHEMICAL CO5 citations62
US5569566AOct 29, 1996
Photoreceptor for electrophotography with low free chlorine content polycarbonate resin in organic photoconductive layer
MITSUBISHI GAS CHEMICAL CO2 citations61
US6576735B2Jun 10, 2003
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO4 citations58
US11091666B2Aug 17, 2021
Easy peel coating composition
MITSUBISHI GAS CHEMICAL CO0 citations51
US10711099B2Jul 14, 2020
Optical use polycarbonate resin composition method for producing same, and spectacle lens and camera lens containing same
MITSUBISHI GAS CHEMICAL CO0 citations51
US12545756B2Feb 10, 2026
Curable resin composition, molded article and method for producing same
MITSUBISHI GAS CHEMICAL CO0 citations49
US12398230B2Aug 26, 2025
Curing resin composition, curing method therefor, and molded article
MITSUBISHI GAS CHEMICAL CO0 citations49
US10287394B2May 14, 2019
Injection-molded body for vehicle, automobile light guide using same, automobile interior panel, and automobile lamp lens
MITSUBISHI GAS CHEMICAL CO0 citations48
US12304997B2May 20, 2025
Polycarbonate resin composition
MITSUBISHI GAS CHEMICAL CO0 citations47
US10676566B2Jun 9, 2020
Polyarylate and molded article using same
MITSUBISHI GAS CHEMICAL CO0 citations46
US10202487B2Feb 12, 2019
Polyarylate and molded article using same
MITSUBISHI GAS CHEMICAL CO0 citations46
US12264218B2Apr 1, 2025
Polycarbonate resin
MITSUBISHI GAS CHEMICAL CO0 citations41
US9163157B2Oct 20, 2015
Acrylic resin composition and moldings in which said composition is used
MITSUBISHI GAS CHEMICAL CO0 citations40
OGAWA NORIYOSHI
4 patentsUS8900781B2Dec 2, 2014
Binder resin for photosensitive layers and electrophotographic photoreceptor belts
OGAWA NORIYOSHI0 citations49
US8137876B2Mar 20, 2012
Electrophotographic photoreceptor belt
OGAWA NORIYOSHI0 citations39
US8080628B2Dec 20, 2011
Polycarbonate resin and electrophotographic photosensitive body using the same
OGAWA NORIYOSHI0 citations39
US8450035B2May 28, 2013
Electrophotographic photosensitive body
OGAWA NORIYOSHI0 citations35
CANON KK
2 patentsUS5283142AFeb 1, 1994
Image-holding member, and electrophotographic apparatus, apparatus unit, and facsimile machine employing the same
CANON KK15 citations73
US5418098AMay 23, 1995
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit and facsimile machine having the photosensitive member
CANON KK5 citations62