Inventor
IKEZAWA MITSURU
JP24 patents
⚠️ This page may combine multiple inventors who share the name “IKEZAWA MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
23 patentsUS5572728ANov 5, 1996
Conference multimedia summary support system and method
HITACHI LTD182 citations99
US5548346AAug 20, 1996
Apparatus for integrally controlling audio and video signals in real time and multi-site communication control method
HITACHI LTD183 citations99
US7716293B2May 11, 2010
Presence information sharing method and system
HITACHI LTD161 citations98
US6021231AFeb 1, 2000
Video retrieval method and apparatus
HITACHI LTD50 citations96
US5805746ASep 8, 1998
Video retrieval method and apparatus
HITACHI LTD72 citations96
US7653671B2Jan 26, 2010
Wide area distributed storage system for checking erasure of worm files
HITACHI LTD30 citations92
US7203366B2Apr 10, 2007
Video retrieval method and apparatus
HITACHI LTD15 citations92
US6975645B1Dec 13, 2005
Layer-coded data transmitting apparatus
HITACHI LTD30 citations92
US6590902B1Jul 8, 2003
Layer-coded data transmitting apparatus
HITACHI LTD41 citations92
US6262983B1Jul 17, 2001
Programmable network
HITACHI LTD28 citations92
US6192151B1Feb 20, 2001
Video retrieval method and apparatus
HITACHI LTD19 citations92
US5790803AAug 4, 1998
Information network with server, call blocking, subscriber status, and attributes in a table, and selecting of terminal equipment
HITACHI LTD40 citations89
US7610343B2Oct 27, 2009
Presence data management method
HITACHI LTD9 citations83
US6567550B2May 20, 2003
Video retrieval method and apparatus
HITACHI LTD10 citations82
US6766057B2Jul 20, 2004
Video retrieval method and apparatus
HITACHI LTD5 citations74
US6424744B2Jul 23, 2002
Video retrieval method and apparatus
HITACHI LTD8 citations74
US6333933B2Dec 25, 2001
Programmable network
HITACHI LTD6 citations74
US6259690B1Jul 10, 2001
Programmable network
HITACHI LTD12 citations74
US7392427B2Jun 24, 2008
System and method for controlling data backup by user authorization
HITACHI LTD2 citations63
US7249119B2Jul 24, 2007
System for managing access and storage of worm files without sending parameters for associated file access
HITACHI LTD3 citations63
US7844711B2Nov 30, 2010
Volume allocation method
HITACHI LTD3 citations61
US7836023B2Nov 16, 2010
System for managing access and storage of worm files without sending parameters for associated file access
HITACHI LTD0 citations52
US7594070B2Sep 22, 2009
Management of access to storage area of storage system
HITACHI LTD0 citations41