P

Inventor

OKAMOTO YUJI

JP121 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

25 patents
US6421509B1Jul 16, 2002

Information display system and image forming apparatus

SHARP KK77 citations96
US5602625AFeb 11, 1997

Operation guidance display apparatus of image forming apparatus

SHARP KK74 citations96
US7872774B2Jan 18, 2011

Image processing apparatus having an energization switching unit and control information updating unit

SHARP KK37 citations93
US5257064AOct 26, 1993

Copying machine provided with a recirculating document feeder apparatus

SHARP KK21 citations93
USRE37812EAug 6, 2002

Magnification setting apparatus for image forming apparatus

SHARP KK18 citations92
US5716046AFeb 10, 1998

Apparatus for feeding original document with improved speed and reliability

SHARP KK17 citations91
US7864376B2Jan 4, 2011

Image processing apparatus

SHARP KK9 citations84
US7669060B2Feb 23, 2010

Data processing apparatus

SHARP KK9 citations84
US5966556AOct 12, 1999

Method of duplex copying documents

SHARP KK19 citations84
US8373886B2Feb 12, 2013

Image processing device

SHARP KK9 citations83
US7826078B2Nov 2, 2010

Image processing device and image processing method

SHARP KK13 citations83
US7471408B2Dec 30, 2008

Image processing device

SHARP KK12 citations83
US4920384AApr 24, 1990

Copying machine with automatic document feeding means

SHARP KK21 citations82
US7711448B2May 4, 2010

Image forming system and inserter device

SHARP KK7 citations74
US7587629B2Sep 8, 2009

Data processing apparatus

SHARP KK7 citations74
US6035156AMar 7, 2000

Image processing apparatus

SHARP KK15 citations74
US5797080AAug 18, 1998

Copying machine having a mechanism for feeding recording sheets in synchronization with the image reading timing

SHARP KK13 citations74
US5790921AAug 4, 1998

Magnification setting apparatus for image forming apparatus

SHARP KK12 citations74
US5781825AJul 14, 1998

Image forming device with feeding mechanism for feeding a plurality of documents

SHARP KK12 citations74
US5136342AAug 4, 1992

Sheet resist apparatus

SHARP KK13 citations74
US4980729ADec 25, 1990

Copying machine with improved document and copy sheet handling

SHARP KK11 citations74
US4816872AMar 28, 1989

Automatic copying machine

SHARP KK14 citations74
US5908188AJun 1, 1999

Apparatus for feeding original document with improved speed and reliability

SHARP KK12 citations72
US5183240AFeb 2, 1993

Automatic document feeder

SHARP KK8 citations72
US4935777AJun 19, 1990

Method of stabilizing surface potential of photoreceptor for electrophotography

SHARP KK17 citations71

NTN TOYO BEARING CO LTD

6 patents

TOYOTA MOTOR CO LTD

5 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents

ISHIDA SEISAKUSHO

3 patents

BROTHER IND LTD

2 patents

NEC CORP

2 patents

FUJIWARA KATSUYOSHI

1 patent

SUMITOMO WIRING SYSTEMS

1 patent

KONICA MINOLTA INC

1 patent

TOPRE CORP

1 patent

Showing the top 50 of 121 patents by PatentIndex Score.