P

Inventor

SHIMIZU YASUSHI

JP127 patents
⚠️ This page may combine multiple inventors who share the name “SHIMIZU YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

27 patents
US5926672AJul 20, 1999

Photosensitive drum provided in an image forming apparatus including helical gears disposed at an end of the drum

CANON KK101 citations98
US5602623AFeb 11, 1997

Photosensitive drum provided in an image forming apparatus including gears disposed at an end of drum

CANON KK108 citations98
US5488459AJan 30, 1996

Image bearing member having an asymmetrically weighted base, process cartridge and image forming apparatus

CANON KK113 citations98
US5649264AJul 15, 1997

Developing unit having optical detection of a residual quantity of developer in a developer container

CANON KK65 citations96
US6656007B2Dec 2, 2003

Method of manufacturing a spacer used in an electron beam generating device, an electron beam generating device using the spacer and image-forming apparatus

CANON KK20 citations93
US6139927AOct 31, 2000

Liquid crystal device

CANON KK32 citations93
US6128064AOct 3, 2000

Liquid crystal device and liquid crystal display apparatus

CANON KK24 citations93
US5565961AOct 15, 1996

Process cartridge and image forming apparatus adapted for the mounting of the same thereto with an elastic member disposed therebetween

CANON KK32 citations93
US7031629B2Apr 18, 2006

Image forming apparatus which recovers toner by developing device

CANON KK20 citations92
US6963721B2Nov 8, 2005

Image forming apparatus having function of automatically selecting one of sheet feeders, method of controlling the image forming apparatus and storage medium

CANON KK16 citations92
US6785507B2Aug 31, 2004

Image forming apparatus having function of automatically selecting one of sheet feeders, method of controlling the image forming apparatus and storage medium

CANON KK30 citations92
US6463245B1Oct 8, 2002

Developing apparatus with a DC electric field formed between a developer carrying member and a developer regulating member and image forming apparatus using the same

CANON KK25 citations92
US6272306B1Aug 7, 2001

Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships

CANON KK22 citations92
US6167212ADec 26, 2000

Development density adjusting method for image forming apparatus

CANON KK22 citations92
US5682574AOct 28, 1997

Developing apparatus having reciprocating cleaning device for photodetector

CANON KK42 citations92
US5589918ADec 31, 1996

Process cartridge, assembling method therefor and electrophotographic apparatus

CANON KK51 citations92
US5534344AJul 9, 1996

Charging member having a loosely supported charger portion

CANON KK40 citations92
US7274474B2Sep 25, 2007

Printing data held on a WWW server

CANON KK27 citations91
US9614141B2Apr 4, 2017

Piezoelectric ceramic, piezoelectric element, piezoelectric device and piezoelectric ceramic manufacturing method

CANON KK10 citations84
US9252685B2Feb 2, 2016

Dust removing device and imaging device

CANON KK10 citations84
US7251441B2Jul 31, 2007

Developing apparatus including magnetic field generating means, for use with a developer which includes a magnetic toner component

CANON KK13 citations84
US7239831B2Jul 3, 2007

Image forming apparatus when a maximum developing bias voltage |V| max and surface potential Vd of a charged image bearing member satisfy: |V| max≦|Vd|

CANON KK16 citations84
US6847796B2Jan 25, 2005

Charging member and image forming apparatus provided with the same

CANON KK12 citations84
US6539190B2Mar 25, 2003

Process cartridge and image forming apparatus comprising charging means including a charge member and electroconductive particles

CANON KK18 citations84
US7808168B2Oct 5, 2010

Spacer, manufacturing method thereof, image display apparatus using the spacer, and manufacturing method thereof

CANON KK8 citations83
US7379693B2May 27, 2008

Developing apparatus

CANON KK14 citations83
US9250546B2Feb 2, 2016

Member for electrophotography, process cartridge, and electrophotographic apparatus

CANON KK7 citations82

HITACHI LTD

9 patents

YAMAHA CORP

8 patents

ASICS CORP

2 patents

TOSHIBA KK

2 patents

SHIMIZU YASUSHI

1 patent

HAYASHI JUMPEI

1 patent

Showing the top 50 of 127 patents by PatentIndex Score.