P

Inventor

NAGASE HIROSHI

JP111 patents
⚠️ This page may combine multiple inventors who share the name “NAGASE HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI LTD

20 patents
US4328454AMay 4, 1982

Apparatus for controlling ac motor

HITACHI LTD83 citations96
US4240020ADec 16, 1980

Control system for suppressing torque ripple in synchronous motor

HITACHI LTD80 citations96
US4629959ADec 16, 1986

Method and apparatus for controlling PWM inverter

HITACHI LTD40 citations93
US4459534AJul 10, 1984

Method for controlling induction motor and apparatus therefor

HITACHI LTD37 citations93
US4344025AAug 10, 1982

Motor control system

HITACHI LTD33 citations93
US4330741AMay 18, 1982

Electric control apparatus of induction motor

HITACHI LTD30 citations93
US4125796ANov 14, 1978

Control apparatus for use in a synchronous machine

HITACHI LTD33 citations93
US5019773AMay 28, 1991

Method and apparatus for detecting positions and/or speed of a moving body using two phase signals

HITACHI LTD33 citations92
US4983875AJan 8, 1991

Actuator

HITACHI LTD28 citations92
US4965504AOct 23, 1990

Control apparatus for inverter for driving AC motor

HITACHI LTD30 citations92
US4451771AMay 29, 1984

Apparatus for controlling AC motor

HITACHI LTD42 citations92
US4437051AMar 13, 1984

Method and apparatus for controlling induction motor

HITACHI LTD32 citations92
US7137483B2Nov 21, 2006

Rope and elevator using the same

HITACHI LTD40 citations91
US4611158ASep 9, 1986

Method and apparatus for controlling PWM inverter

HITACHI LTD21 citations82
US4277735AJul 7, 1981

Control apparatus for induction motor

HITACHI LTD23 citations82
US4276504AJun 30, 1981

Control device for commutatorless motor

HITACHI LTD28 citations82
US4132931AJan 2, 1979

Control system for a.c. motors

HITACHI LTD29 citations82
US4206395AJun 3, 1980

Harmonic eliminating apparatus

HITACHI LTD19 citations81
US4524310AJun 18, 1985

Method and apparatus of controlling induction motors

HITACHI LTD14 citations74
US4295084AOct 13, 1981

Control apparatus of synchronous motor having thyristor converter

HITACHI LTD11 citations74

TORAY INDUSTRIES

17 patents
US4474802AOct 2, 1984

5,6,7-Trinor-4,8-inter-m-phenylene prostaglandin I2 derivatives useful in anti-ulcer, hypotensive and platelet aggregation inhibiting compositions

TORAY INDUSTRIES56 citations96
US6174891B1Jan 16, 2001

Antipruritic agent

TORAY INDUSTRIES63 citations95
US5539119AJul 23, 1996

Indole derivatives

TORAY INDUSTRIES54 citations95
US6323212B1Nov 27, 2001

Morphinan derivative and its pharmaceutical applications

TORAY INDUSTRIES36 citations92
US6316461B1Nov 13, 2001

Antipruritic

TORAY INDUSTRIES16 citations92
US6277859B1Aug 21, 2001

Morphinan derivative and its pharmaceutical applications

TORAY INDUSTRIES46 citations92
US6177438B1Jan 23, 2001

Morphinan derivatives and pharmaceutical use thereof

TORAY INDUSTRIES38 citations92
US5739145AApr 14, 1998

Antitussive agents

TORAY INDUSTRIES29 citations92
US5332818AJul 26, 1994

Immunosuppressive agent and process of producing the same

TORAY INDUSTRIES20 citations91
US5244904ASep 14, 1993

Indole derivatives

TORAY INDUSTRIES34 citations91
US5202447AApr 13, 1993

Process of producing 5,6,7-trinor-4,8-inter-m-phenylene pgi2 derivatives

TORAY INDUSTRIES33 citations90
US4564620AJan 14, 1986

5,6,7,-Trinor-4,8-inter-m-phenylene PGI2 derivatives and anti-ulcer, anti-thrombotic and anti-hypertensive pharmaceutical compositions containing them

TORAY INDUSTRIES18 citations82
US6440987B1Aug 27, 2002

Antipruritic

TORAY INDUSTRIES13 citations74
US6187782B1Feb 13, 2001

Morphinane derivatives and medicinal use thereof

TORAY INDUSTRIES11 citations74
US6147084ANov 14, 2000

Brain cell protective agent

TORAY INDUSTRIES9 citations73
US5849731ADec 15, 1998

Indole derivatives and medical application thereof

TORAY INDUSTRIES11 citations73
US4775692AOct 4, 1988

2,5,6,7-tetranor-4,8-inter-m-phenylene PGI2 derivatives

TORAY INDUSTRIES17 citations73

FUJIKURA KASEI KK

4 patents

NAGASE HIROSHI

3 patents

TAKEDA CHEMICAL INDUSTRIES LTD

3 patents

UNIV TSUKUBA

2 patents

TSUCHIDA YASUSHI

1 patent

Showing the top 50 of 111 patents by PatentIndex Score.