P

Inventor

YAMAUCHI HIROKAZU

JP41 patents
⚠️ This page may combine multiple inventors who share the name “YAMAUCHI HIROKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

22 patents
US6795669B2Sep 21, 2004

Image device with control members for rollers

SHARP KK16 citations93
US6999698B2Feb 14, 2006

Image device with control members for rollers

SHARP KK22 citations92
US5651542AJul 29, 1997

Paper feeder

SHARP KK26 citations92
US5581342ADec 3, 1996

Image forming apparatus with a removable waste toner collecting container

SHARP KK40 citations92
US6014920AJan 18, 2000

Paper-punching device for use in a image-forming apparatus

SHARP KK36 citations91
US5839336ANov 24, 1998

Paper-punching device for use in an image-forming apparatus

SHARP KK27 citations91
US5918094AJun 29, 1999

Toner replenishing device, for use in an electrophotographic apparatus for developing toner, which stores toner and supplies the stored toner to a development device

SHARP KK16 citations74
US7769313B2Aug 3, 2010

Charging device and image forming apparatus

SHARP KK5 citations63
US7702277B2Apr 20, 2010

Image forming apparatus and maintenance method thereof

SHARP KK3 citations63
US7460800B2Dec 2, 2008

Image forming apparatus with adaptive pre-processing and post-processing based on usage history

SHARP KK3 citations63
US7302217B2Nov 27, 2007

Image forming apparatus and transfer apparatus employing endless belt

SHARP KK3 citations63
US7233766B2Jun 19, 2007

Screw conveyor and developer conveying mechanism

SHARP KK6 citations63
US7162178B2Jan 9, 2007

Transfer device and image forming apparatus

SHARP KK5 citations63
US6678494B2Jan 13, 2004

Image forming apparatus with transfer material guide

SHARP KK3 citations63
US5655173AAug 5, 1997

Image forming apparatus

SHARP KK4 citations63
US7660547B2Feb 9, 2010

Charging device

SHARP KK4 citations62
US7526217B2Apr 28, 2009

Image forming apparatus and waste toner warning method

SHARP KK4 citations62
US7379694B2May 27, 2008

Belt transfer apparatus and image forming device

SHARP KK6 citations61
US8851139B2Oct 7, 2014

Paper stripping member and image forming apparatus

SHARP KK0 citations52
US7599647B2Oct 6, 2009

Charging device and electrophotographic apparatus including the same

SHARP KK0 citations42
US7933527B2Apr 26, 2011

Image forming apparatus, image forming method, and transfer device

SHARP KK0 citations41
US7983593B2Jul 19, 2011

Image forming apparatus

SHARP KK0 citations33

PANASONIC IP MAN CO LTD

11 patents

OGAWA TAKASHI

3 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

MAZDA MOTOR

1 patent

HITACHI LTD

1 patent

YAMAUCHI HIROKAZU

1 patent

KUZE MASATO

1 patent