Inventor
AZUSAWA NOBORU
JP12 patents
Patents
12 patentsUS4271385AJun 2, 1981
Control system for commutatorless motor
HITACHI LTD59 citations95
US4998194AMar 5, 1991
Multiplex control system with programmable logic for controlling signal transfer between controllers and one or more controlled systems
HITACHI LTD30 citations92
US4952034AAug 28, 1990
Liquid crystal projection display
HITACHI LTD42 citations91
US4628475ADec 9, 1986
Pulse width modulation pulse generator
HITACHI LTD36 citations91
US5545957AAug 13, 1996
Motor speed controller for suppressing shaft torsion vibration
HITACHI LTD38 citations89
US4262241AApr 14, 1981
Control system for commutatorless motor driven through frequency converter
HITACHI LTD14 citations73
US5581759ADec 3, 1996
Apparatus and method for controlling a system process
HITACHI LTD16 citations72
US5355482AOct 11, 1994
Apparatus and method for controlling a system process
HITACHI LTD17 citations72
US4810064AMar 7, 1989
Liquid crystal projection display having laser intensity varied according to beam change-of-axis speed
HITACHI LTD7 citations72
US4571668AFeb 18, 1986
Apparatus and method for controlling a thyristor converter in response to change in mode of load current
HITACHI LTD10 citations72
US5268776ADec 7, 1993
System for partially erasing thermally written liquid crystal element
HITACHI LTD8 citations71
US5504930AApr 2, 1996
Programmable controller and sequence control method
HITACHI LTD6 citations60