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CANON KASEI KK

Overview
  • Total Patents
    94
  • GoodIP Patent Rank
    156,876
About

CANON KASEI KK has a total of 94 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, China and Japan. Its main competitors in its focus markets optics, machines and macromolecular chemistry and polymers are CANON KASEI CO LTD, WU JIN and EPP CORP.

Patent filings per year

Chart showing CANON KASEI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Takenaka Masaaki 14
#2 Abe Hiroshi 11
#3 Kakii Hitoshi 10
#4 Oda Mihoko 8
#5 Konno Takuya 8
#6 Fukuzawa Satoshi 7
#7 Hatanaka Taku 6
#8 Umeki Erika 6
#9 Okuda Mitsuru 6
#10 Ishigaki Toru 6

Latest patents

Publication Filing date Title
CN111492023A Surface reflection preventing paint and surface reflection preventing coating film
US2008247787A1 Positive charge control resin for electrophotographic functional component parts, developing roller, and electrophotographic apparatus
CN1862406A Electroconductive rubber roller
CN1862405A Conductive rubber roller
US2006252619A1 Electroconductive rubber roller
WO2006088237A1 Charge roll, process cartridge and electrophotographic device
CN1749874A Charging roller
US2006062597A1 Charging roller
US2004197115A1 Charging roller, process cartridge and electrophotographic apparatus
US2004170841A1 Process for producing cleaning blade, and electrophotographic apparatus
US2003194250A1 Developing assembly, developer quantity control blade and process for manufacturing developer quantity control blade
US2003161664A1 Charging roller including a conductive cover layer being formed of a seamless tube, process cartridge and electrophotographic image forming apparatus including such a charging roller
US2003070748A1 Processes for manufacturing blade member of developer quantity control blade
US6648807B2 Conductive rubber roller
US6703094B2 Charging member, process cartridge and electrophotographic apparatus
EP1178364A1 Conductive member, process cartridge and electrophotographic apparatus
US6432324B1 Semiconducting member, functional member for electrophotography, and process cartridge
JPH1150009A Antifogging coating film, antifogging article and composition for forming antifogging coating film
JPH1124535A Developing device and process cartridge provided therewith
TW355815B Cleaning methods of porous surface and semiconductor surface