P

Inventor

TAKAHASHI SADAO

JP74 patents
⚠️ This page may combine multiple inventors who share the name “TAKAHASHI SADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

34 patents
US6744916B1Jun 1, 2004

Image processing apparatus and method for interpolating missing pixels

RICOH KK73 citations98
US5911004AJun 8, 1999

Image processing apparatus for discriminating image characteristics using image signal information obtained in an image scanning operation

RICOH KK117 citations98
US5585896ADec 17, 1996

Image forming apparatus with a contact member contacting an image carrier

RICOH KK311 citations98
US7489415B2Feb 10, 2009

Document processing system

RICOH KK114 citations97
US6651894B2Nov 25, 2003

Imaging method, imaging apparatus, and image information management system

RICOH KK78 citations97
US6898329B1May 24, 2005

Image binarization apparatus, image binarization method, image pickup apparatus, image pickup method, and a computer product

RICOH KK54 citations96
US5825937AOct 20, 1998

Spatial-filtering unit for performing adaptive edge-enhancement process

RICOH KK70 citations96
US5394231AFeb 28, 1995

Image forming apparatus capable of forming an erasable image

RICOH KK105 citations96
US4634264AJan 6, 1987

Photosensitive member of recording apparatus

RICOH KK56 citations96
US6634559B2Oct 21, 2003

Data sheet and information management system using data sheet

RICOH KK43 citations95
US5574538ANov 12, 1996

Method and apparatus for removing image forming substance from image holding member forming processing situation mark

RICOH KK55 citations95
US5805954ASep 8, 1998

Image forming apparatus that detects environmental conditions

RICOH KK23 citations93
US5321483AJun 14, 1994

Cleaning device for image forming equipment

RICOH KK23 citations93
US6959866B2Nov 1, 2005

2-Dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method

RICOH KK18 citations92
US6935565B2Aug 30, 2005

Imaging method, imaging apparatus, and image information management system

RICOH KK30 citations92
USRE37645EApr 9, 2002

Method and apparatus for removing image forming substance from image holding member forming processing situation mark

RICOH KK34 citations92
US6095164AAug 1, 2000

Method and apparatus for removing image forming substance from image holding member

RICOH KK26 citations92
US5753400AMay 19, 1998

Method for repeatedly using image holding member

RICOH KK19 citations92
US5610691AMar 11, 1997

Image forming apparatus having a contact charging member and a cleaning member

RICOH KK29 citations92
US5605777AFeb 25, 1997

Method and apparatus for regenerating image holding member

RICOH KK31 citations92
US5572293ANov 5, 1996

Method of and system for cleaning a charge inducing member

RICOH KK42 citations92
US5557373ASep 17, 1996

Cleaning system for charging drum of an image forming apparatus

RICOH KK41 citations92
US5547793AAug 20, 1996

Method for using image support regeneratively and tool for forming image on image support

RICOH KK21 citations92
US4791454ADec 13, 1988

Removable photoconductive element unit for image-forming apparatus

RICOH KK49 citations92
US6948654B2Sep 27, 2005

Data sheet and information management system using data sheet

RICOH KK21 citations91
US6097914AAug 1, 2000

Image bearing member and method of manufacturing the member and image forming apparatus using the member

RICOH KK23 citations88
US7012719B1Mar 14, 2006

Sign sensitive aperture correction system and method

RICOH KK11 citations84
US7787712B2Aug 31, 2010

Electronic document creating apparatus

RICOH KK19 citations83
US7623727B2Nov 24, 2009

Image binarization apparatus, image binarization method, image pickup apparatus, image pickup method, and a computer product

RICOH KK6 citations74
US5512708AApr 30, 1996

Toner used in an image forming apparatus

RICOH KK9 citations74
USRE36963ENov 21, 2000

Method and apparatus for regenerating image holding member

RICOH KK12 citations73
US6047758AApr 11, 2000

Method for repeatedly using image holding member

RICOH KK13 citations73
US4563076AJan 7, 1986

Imaging apparatus

RICOH KK17 citations73
US4019054AApr 19, 1977

Apparatus for fixing toner images

RICOH KK9 citations73

HITACHI LTD

5 patents

TOKYO SHIBAURA ELECTRIC CO

3 patents

RICOH CO LTD

2 patents

KISHI HIDENOBU

1 patent

AGENCY IND SCIENCE TECHN

1 patent

TOSHIBA ELECTRIC EQUIP

1 patent

TAKAHASHI SADAO

1 patent

JUJO PAPER CO LTD

1 patent

BABCOCK HITACHI KK

1 patent

Showing the top 50 of 74 patents by PatentIndex Score.