Inventor
FUKUI CHIHIRO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “FUKUI CHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS6870480B2Mar 22, 2005
Maintenance service system for home electric appliances
HITACHI LTD78 citations97
US5359701AOct 25, 1994
Expert system development support system and expert system environment utilizing a frame processing tecnique
HITACHI LTD52 citations95
US7478070B2Jan 13, 2009
Electric power supply control system
HITACHI LTD49 citations92
US6338009B1Jan 8, 2002
Method and apparatus for estimating frequency characteristics of power system, and application thereof
HITACHI LTD46 citations92
US6885914B2Apr 26, 2005
Green power supply system and green power supply method
HITACHI LTD37 citations91
US7222102B2May 22, 2007
Portal site for serving data monitored and observed and method of using data monitored and observed
HITACHI LTD7 citations74
US7222103B2May 22, 2007
Portal site for serving data monitored and observed and method of using data monitored and observed
HITACHI LTD6 citations74
US5228117AJul 13, 1993
Expert system development support system and expert system environment utilizing a frame processing technique
HITACHI LTD5 citations73
US5553003ASep 3, 1996
Distributed control system
HITACHI LTD14 citations71
US5506938AApr 9, 1996
Expert system development support system and expert system environment utilizing a frame processing technique
HITACHI LTD3 citations62