P

Inventor

ISHIKAWA YUJI

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

CANON KK

20 patents
US5216522AJun 1, 1993

Image data processing apparatus with independent encoding and decoding units

CANON KK74 citations96
US6262805B1Jul 17, 2001

Image communication apparatus capable of reproducing data from a data processing apparatus

CANON KK30 citations92
US5726768AMar 10, 1998

Image communication apparatus having improved conversion and transfer control of image data

CANON KK25 citations92
US5719816AFeb 17, 1998

Memory backup circuit and memory backup method

CANON KK18 citations92
US5455690AOct 3, 1995

Image reading apparatus

CANON KK20 citations92
US5193169AMar 9, 1993

Image data processing apparatus

CANON KK20 citations82
US4775893AOct 4, 1988

Facsimile transmission system

CANON KK21 citations82
US4510507AApr 9, 1985

Thermal recording apparatus

CANON KK23 citations82
US7187466B2Mar 6, 2007

Image communication apparatus capable of reproducing data from a data processing apparatus

CANON KK4 citations74
US6741366B2May 25, 2004

Image communication apparatus capable of reproducing data from a data processing apparatus

CANON KK10 citations74
US6061148AMay 9, 2000

Facsimile receiving apparatus

CANON KK7 citations74
US5930192AJul 27, 1999

Memory backup circuit and memory backup method

CANON KK8 citations74
US5854888ADec 29, 1998

Apparatus for decoding code data and printing pixel data in parallel

CANON KK7 citations74
US5291303AMar 1, 1994

Facsimile apparatus

CANON KK8 citations74
US5280361AJan 18, 1994

Data processing apparatus

CANON KK10 citations74
US5241403AAug 31, 1993

Image communication system including means for storing function information of destination receiving machine

CANON KK16 citations74
US5146220ASep 8, 1992

Data conversion method and apparatus for converting undefined length data to fixed length data

CANON KK12 citations74
US4864416ASep 5, 1989

Method and apparatus for reading original

CANON KK8 citations74
US5489990AFeb 6, 1996

Image processing with smooth interpolation

CANON KK4 citations63
US5276526AJan 4, 1994

Decoding device for two-dimensional codes by using first or second reference line signals

CANON KK3 citations63

TOSHIBA KK

6 patents

ISHIKAWA YUJI

4 patents

SEIKO EPSON CORP

3 patents

TOYOTA MOTOR CO LTD

3 patents

PRINSERTER CORP

2 patents

TOKYO SHIBAURA ELECTRIC CO

2 patents

TDK CORP

2 patents

CHUGAI PHARMACEUTICAL CO LTD

1 patent

HITACHI LTD

1 patent

YOSHIDA TAKASHI

1 patent

HISAMITSU PHARMACEUTICAL CO

1 patent

CHEMO SERO THERAPEUT RES INST

1 patent

TOSHIBA IND PRODUCTS & SYSTEMS CORP

1 patent

EARTH CHEMICAL CO

1 patent

FUJIFILM FINECHEMICALS CO LTD

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.