Inventor
CHIBA TOMIO
JP5 patents
Patents
5 patentsUS5327355AJul 5, 1994
Voltage or reactive power control method and control device therefor
HITACHI LTD26 citations91
US5255202AOct 19, 1993
Digital signal processing method and system, electric power system signal processing system and electric power control system
HITACHI LTD38 citations91
US5428553AJun 27, 1995
Digital control and protection equipment for power system
HITACHI LTD44 citations90
US4161651AJul 17, 1979
Simultaneously sampled remote data reading and transmission system using optical fibers
HITACHI LTD44 citations90
US4764913AAug 16, 1988
Signal processing apparatus for disc memory devices
HITACHI LTD17 citations73