P

Inventor

YAMAMOTO TAKEO

JP52 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

17 patents
US5915146AJun 22, 1999

Image heating apparatus with multiple temperature detecting members

CANON KK58 citations96
US5835821ANov 10, 1998

Image forming apparatus

CANON KK35 citations92
US5701551ADec 23, 1997

Image forming apparatus including control means for controlling an output from en electrical power source to a charging member for charging an image bearing member

CANON KK42 citations92
US5671468ASep 23, 1997

Charging member and image forming apparatus having contact charging member

CANON KK19 citations92
US5636009AJun 3, 1997

Image forming apparatus having charging member

CANON KK24 citations92
US5754927AMay 19, 1998

Magnetic charging brush having particular magnetic fields

CANON KK8 citations74
US7653320B2Jan 26, 2010

Image forming system and control method that change sequence of image formation based on fixation method

CANON KK7 citations73
US5991557ANov 23, 1999

Image forming apparatus having a charging member with plural charging modes

CANON KK10 citations73
US5587780ADec 24, 1996

Image forming apparatus with different potentials in different developing zones

CANON KK7 citations73
US5583616ADec 10, 1996

Electrophotographic apparatus with pre-exposure controlled according to photoconductor thinning

CANON KK7 citations73
US5504565AApr 2, 1996

Image forming apparatus having transfer voltage timing control

CANON KK14 citations72
US7715741B2May 11, 2010

Image forming apparatus with a toner image density feature and related method

CANON KK4 citations63
US6112041AAug 29, 2000

Image forming apparatus with density adjustment

CANON KK3 citations63
US7672603B2Mar 2, 2010

Image formation control based on printing rate

CANON KK6 citations62
US6694110B2Feb 17, 2004

Image forming apparatus with variable waiting time conveyance feature

CANON KK6 citations62
US6512905B1Jan 28, 2003

Image forming apparatus capable of adjusting AC applied to charging member

CANON KK5 citations61
US7525560B2Apr 28, 2009

Image forming apparatus and control method thereof

CANON KK0 citations52

TOYOTA MOTOR CO LTD

9 patents

DENSO CORP

7 patents

YAMAMOTO TAKEO

4 patents

ASAHI KASEI MICRODEVICES CORP

4 patents

3M INNOVATIVE PROPERTIES CO

2 patents

FUJIWARA HIROKAZU

1 patent

NIPPON SODA CO

1 patent

ENDO TAKESHI

1 patent

SHELL OIL CO

1 patent

TOYODA GOSEI KK

1 patent

MITSUBISHI ELECTRIC CORP

1 patent

3M INNOVATIVE PROPERTIES COMPANY

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.