Inventor
FUKUZAWA YASUKO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “FUKUZAWA YASUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS6529976B1Mar 4, 2003
Heterogeneous computer system, heterogeneous input output system and data back-up method for the systems
HITACHI LTD155 citations99
US6098129AAug 1, 2000
Communications system/method from host having variable-length format to variable-length format first I/O subsystem or fixed-length format second I/O subsystem using table for subsystem determination
HITACHI LTD168 citations99
US6873706B1Mar 29, 2005
Processing apparatus, program, or system of secret information
HITACHI LTD102 citations98
US6922686B2Jul 26, 2005
Database integration management method and apparatus and processing program, medium therefor
HITACHI LTD121 citations97
US5117458AMay 26, 1992
Secret information service system and method
HITACHI LTD111 citations96
US6408075B1Jun 18, 2002
Information processing equipment and IC card
HITACHI LTD66 citations95
US7567673B2Jul 28, 2009
Common key sharing method and wireless communication terminal in ad hoc network
HITACHI LTD20 citations92
US6934842B2Aug 23, 2005
Identification code management method and management system
HITACHI LTD32 citations92
US6839847B1Jan 4, 2005
Information processing equipment and IC card
HITACHI LTD37 citations92
US6631471B1Oct 7, 2003
Information processing equipment
HITACHI LTD19 citations92
US6615354B1Sep 2, 2003
Information processing equipment
HITACHI LTD20 citations92
US5218638AJun 8, 1993
Encipher method and decipher method
HITACHI LTD43 citations92
US7178026B2Feb 13, 2007
Identification code management method and management system
HITACHI LTD11 citations84
US7869601B2Jan 11, 2011
Authentication method of ad hoc network and wireless communication terminal thereof
HITACHI LTD10 citations83
US7138915B2Nov 21, 2006
Handling support method and handling support system
HITACHI LTD12 citations83
US6721841B2Apr 13, 2004
Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems
HITACHI LTD8 citations74
US5351294ASep 27, 1994
Limited broadcast system
HITACHI LTD12 citations74
US8375074B2Feb 12, 2013
Device and program for ciphering data
HITACHI LTD2 citations62
US6892268B2May 10, 2005
Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems
HITACHI LTD0 citations52
US6871255B2Mar 22, 2005
Heterogeneous computer system, heterogeneous input/output system and data back-up method for the systems
HITACHI LTD0 citations52
US7333972B2Feb 19, 2008
Database integration management method and apparatus and processing program, medium therefor
HITACHI LTD0 citations51