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 patentsUS5216522AJun 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 patentsUS5105231AApr 14, 1992
Image formation apparatus having means for reversing the order of stacking of image bearing documents
TOSHIBA KK10 citations74
US5077585ADec 31, 1991
Covered scanning apparatus with automatic sheet feeding mechanism
TOSHIBA KK11 citations74
US5005052AApr 2, 1991
Image forming apparatus having vertically movable original cover
TOSHIBA KK9 citations74
US12047504B2Jul 23, 2024
Semiconductor device including a normal mode, a debug mode, and a key
TOSHIBA KK2 citations73
US5008704AApr 16, 1991
Method of forming original image and additional image, and apparatus for performing same
TOSHIBA KK2 citations63
US11321131B2May 3, 2022
Evaluation device and storage medium storing evaluation program for system LSI
TOSHIBA KK0 citations62
ISHIKAWA YUJI
4 patentsUS8214679B2Jul 3, 2012
Multi-core processor system with thread queue based power management
ISHIKAWA YUJI6 citations70
US9299997B2Mar 29, 2016
Fuel cell system and method for controlling fuel cell system
ISHIKAWA YUJI0 citations51
US8688918B2Apr 1, 2014
Program converting apparatus, program converting method, and medium
ISHIKAWA YUJI0 citations50
US8266596B2Sep 11, 2012
Source code analyzing system and source code analyzing method
ISHIKAWA YUJI1 citations50
SEIKO EPSON CORP
3 patentsUS12456026B2Oct 28, 2025
Printing system and printed matter production method
SEIKO EPSON CORP0 citations63
US12573164B2Mar 10, 2026
Device, production method, and storage medium storing design program
SEIKO EPSON CORP0 citations52
US10832081B2Nov 10, 2020
Image processing apparatus and non-transitory computer-readable computer medium storing an image processing program
SEIKO EPSON CORP0 citations52
TOYOTA MOTOR CO LTD
3 patentsPRINSERTER CORP
2 patentsTOKYO SHIBAURA ELECTRIC CO
2 patentsTDK CORP
2 patentsCHUGAI PHARMACEUTICAL CO LTD
1 patentHITACHI LTD
1 patentYOSHIDA TAKASHI
1 patentHISAMITSU PHARMACEUTICAL CO
1 patentCHEMO SERO THERAPEUT RES INST
1 patentTOSHIBA IND PRODUCTS & SYSTEMS CORP
1 patentEARTH CHEMICAL CO
1 patentFUJIFILM FINECHEMICALS CO LTD
1 patentShowing the top 50 of 52 patents by PatentIndex Score.