Inventor · disambiguated record
Hiroshi Mayuzumi
Also filed as: MAYUZUMI HIROSHI
11 granted patents·1 pending application·121 citations·filing 1996–2016
91Inventor score
Top patents by PatentIndex Score
12 records- 0193US8383234B2Charging member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2012·Granted Feb 26, 2013·13 cites·15 claims
- 0292US7869741B2Charging member including a conductive support and surface layer having protrusions formed on a surface thereof, a process cartridge including same for use in an image forming apparatusCANON KK·Filed 2010·Granted Jan 11, 2011·7 cites·6 claims
- 0388US10078286B2Charging member, process cartridge and electrophotographic apparatusCANON KK·Filed 2016·Granted Sep 18, 2018·4 cites·19 claims
- 0488US10036971B2Charging member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2015·Granted Jul 31, 2018·4 cites·10 claims
- 0586US8227087B2Charging member, process cartridge, and electrophotographic apparatusMAYUZUMI HIROSHI·Filed 2011·Granted Jul 24, 2012·9 cites·2 claims
- 0684US8971766B2Electrophotographic member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted Mar 3, 2015·4 cites·9 claims
- 0782US8277947B2Charging member, process cartridge, and electrophotographic apparatusMAYUZUMI HIROSHI·Filed 2007·Granted Oct 2, 2012·12 cites·6 claims
- 0880US6023597ACellular conductive roller with conductive powder filling open cells in the surfaceCANON KK·Filed 1996·Granted Feb 8, 2000·30 cites·15 claims
- 0964US5819142ACharging member and image-forming unit having the sameCANON KK·Filed 1997·Granted Oct 6, 1998·16 cites·12 claims
- 1053US6001454ACharging member and electrophotographic apparatus using the sameCANON KK·Filed 1997·Granted Dec 14, 1999·14 cites·10 claims
- 1152US2011044725A1Charging member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2010·Application pending·0 cites
- 1241US5824408AWhite electroconductive coating composition and transfer material-carrying memberCANON KK·Filed 1996·Granted Oct 20, 1998·8 cites·5 claims
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