Inventor
KOHIYAMA TOMOHISA
JP26 patents
⚠️ This page may combine multiple inventors who share the name “KOHIYAMA TOMOHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
19 patentsUS5483466AJan 9, 1996
Client/server system and mail reception/display control method
HITACHI LTD266 citations98
US5666161ASep 9, 1997
Method and apparatus for creating less amount of compressd image data from compressed still image data and system for transmitting compressed image data through transmission line
HITACHI LTD134 citations96
US5381043AJan 10, 1995
Power supply arrangement and connector
HITACHI LTD76 citations96
US6556767B2Apr 29, 2003
Video capture device
HITACHI LTD49 citations95
US5560020ASep 24, 1996
Power saving processing system
HITACHI LTD122 citations95
US6842540B1Jan 11, 2005
Surveillance system
HITACHI LTD40 citations92
US6094521AJul 25, 2000
Information processing system
HITACHI LTD20 citations92
US5899575AMay 4, 1999
Video capture device, video recording/playing apparatus having the video capture device attached thereto, and video input device
HITACHI LTD31 citations92
US5473382ADec 5, 1995
Video signal converting apparatus for converting an interlace video signal into a non-interlace video signal for reduction
HITACHI LTD36 citations91
US6330629B1Dec 11, 2001
Information processing system
HITACHI LTD32 citations90
US6789263B1Sep 7, 2004
Data conversion method and apparatus
HITACHI LTD51 citations89
US7596703B2Sep 29, 2009
Hidden data backup and retrieval for a secure device
HITACHI LTD16 citations84
US6750905B1Jun 15, 2004
Digital camera storing and outputting encrypted digital image data
HITACHI LTD8 citations73
US6269215B1Jul 31, 2001
Information processing system
HITACHI LTD12 citations73
US6570580B1May 27, 2003
Apparatus and method for information display
HITACHI LTD9 citations72
US6584538B2Jun 24, 2003
Information processing system
HITACHI LTD5 citations71
US5583985ADec 10, 1996
Graphic display processing apparatus for improving speed and efficiency of a window system
HITACHI LTD14 citations71
US5201037AApr 6, 1993
Multi-port memory as a frame buffer
HITACHI LTD14 citations71
US7913258B2Mar 22, 2011
Information processing device and process control method
HITACHI LTD4 citations60
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
3 patentsUS11104165B2Aug 31, 2021
Support service system for inkjet printing apparatus and control method therefor
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations60
US12393806B2Aug 19, 2025
Code generation system and code generation method
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations54
US12219086B2Feb 4, 2025
Communication module, communication system, and communication method
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations54