Inventor
YAHAGI HAYAO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “YAHAGI HAYAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
10 patentsUS5774633AJun 30, 1998
Supporting neural network method for process operation
HITACHI LTD81 citations95
US5943662AAug 24, 1999
Supporting method and system for process operation
HITACHI LTD30 citations92
US5581459ADec 3, 1996
Plant operation support system
HITACHI LTD50 citations92
US5465320ANov 7, 1995
Method of automated learning, an apparatus therefor, and a system incorporating such an apparatus
HITACHI LTD30 citations90
US5505843AApr 9, 1996
System for controlling water treatment based on plankton monitoring
HITACHI LTD26 citations88
US4085596AApr 25, 1978
Absorption refrigerator of double effect type
HITACHI LTD26 citations78
US5845052ADec 1, 1998
Supporting method and system for process operation
HITACHI LTD5 citations73
US5324431AJun 28, 1994
Process for treating suspended substances in liquor
HITACHI LTD11 citations72
US4960512AOct 2, 1990
Apparatus for sludge thickening
HITACHI LTD2 citations61
US4904388AFeb 27, 1990
Process for sludge thickening
HITACHI LTD3 citations61