Inventor
KITAHARA CHIHO
JP10 patents
Patents
10 patentsUS6292098B1Sep 18, 2001
Surveillance system and network system
HITACHI LTD110 citations98
US5995096ANov 30, 1999
Conference display control method and apparatus for an electronic conference for displaying either shared or local data and transferring local data
HITACHI LTD156 citations98
US5745711AApr 28, 1998
Display control method and apparatus for an electronic conference
HITACHI LTD229 citations98
US7142512B1Nov 28, 2006
Network measurement controlling system apparatus and method
HITACHI LTD69 citations97
US5353398AOct 4, 1994
Group working system having operator discriminating function
HITACHI LTD105 citations96
US6501377B2Dec 31, 2002
Surveillance system and network system
HITACHI LTD48 citations95
US6693533B2Feb 17, 2004
Method of controlling quality of communication among a plurality of clients over a network
HITACHI LTD23 citations92
US5748894AMay 5, 1998
Cooperative information processing method and apparatus utilizing local program
HITACHI LTD54 citations92
US5999181ADec 7, 1999
Network development support system
HITACHI LTD8 citations71
US5619640AApr 8, 1997
Network development support system
HITACHI LTD14 citations71