Inventor
KUROSAWA RYOICHI
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KUROSAWA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
17 patentsUS6342745B1Jan 29, 2002
Reluctance type rotating machine with permanent magnets
TOSHIBA KK88 citations97
US6552462B2Apr 22, 2003
Reluctance type rotating machine with permanent magnets
TOSHIBA KK43 citations95
US6274960B1Aug 14, 2001
Reluctance type rotating machine with permanent magnets
TOSHIBA KK76 citations95
US4914365AApr 3, 1990
Control device for servo motor
TOSHIBA KK25 citations92
US5502633AMar 26, 1996
Method and apparatus for controlling an inverter
TOSHIBA KK21 citations90
US5288956AFeb 22, 1994
Self running type elevator system using linear motors
TOSHIBA KK40 citations89
US5111124AMay 5, 1992
Continuous deadbeat control system with feedback control
TOSHIBA KK20 citations82
US4755738AJul 5, 1988
Reactive power compensation apparatus
TOSHIBA KK23 citations82
US4698581AOct 6, 1987
Reactive power compensation apparatus
TOSHIBA KK23 citations82
US5250887AOct 5, 1993
Feedback controller
TOSHIBA KK13 citations74
US4675584AJun 23, 1987
Control system
TOSHIBA KK9 citations74
US4555752ANov 26, 1985
AC Power converter with commutation circuit for reducing reactive power
TOSHIBA KK10 citations74
US4652989AMar 24, 1987
Frequency converter apparatus
TOSHIBA KK14 citations73
US5057685AOct 15, 1991
Optical rotation detector including a disk having slits with concave and convex parts and method of manufacturing
TOSHIBA KK9 citations72
US4837492AJun 6, 1989
Apparatus for detecting revolution using a synchro
TOSHIBA KK10 citations71
US5446363AAug 29, 1995
Method of controlling induction motor
TOSHIBA KK6 citations63
US5361197ANov 1, 1994
Method and apparatus for controlling an inverter generating a plurality of phase voltages
TOSHIBA KK5 citations60
TOKYO SHIBAURA ELECTRIC CO
11 patentsUS4555755ANov 26, 1985
AC Current control system
TOKYO SHIBAURA ELECTRIC CO47 citations92
US4527120AJul 2, 1985
System for converting mechanical movement to a digital signal
TOKYO SHIBAURA ELECTRIC CO21 citations82
US4475105AOct 2, 1984
System for detecting mechanical movement
TOKYO SHIBAURA ELECTRIC CO23 citations82
US4556885ADec 3, 1985
System for detecting position or speed
TOKYO SHIBAURA ELECTRIC CO18 citations74
US4267499AMay 12, 1981
Method and system for controlling induction motors
TOKYO SHIBAURA ELECTRIC CO16 citations74
US4517636AMay 14, 1985
Inverter apparatus
TOKYO SHIBAURA ELECTRIC CO13 citations73
US4307346ADec 22, 1981
Phase detecting circuit
TOKYO SHIBAURA ELECTRIC CO16 citations73
US4032831AJun 28, 1977
Inverter apparatus
TOKYO SHIBAURA ELECTRIC CO9 citations68
US4264952AApr 28, 1981
Inverter apparatus
TOKYO SHIBAURA ELECTRIC CO2 citations63
US4259629AMar 31, 1981
Control devices of induction motors
TOKYO SHIBAURA ELECTRIC CO4 citations63
US4282570AAug 4, 1981
Method and apparatus for controlling an output current of a controlled rectifier
TOKYO SHIBAURA ELECTRIC CO5 citations59