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 patentsUS4328454AMay 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 patentsUS4474802AOct 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 patentsUS4883735ANov 28, 1989
Negatively chargeable toner for use in dry electrophotography
FUJIKURA KASEI KK30 citations93
US4840863AJun 20, 1989
Positively chargeable toner for use in dry electrophotography
FUJIKURA KASEI KK50 citations91
US4049874ASep 20, 1977
Process for producing an architectural precast concrete panel
FUJIKURA KASEI KK40 citations89
US4524186AJun 18, 1985
Process for producing water-absorbing resins
FUJIKURA KASEI KK17 citations74
NAGASE HIROSHI
3 patentsTAKEDA CHEMICAL INDUSTRIES LTD
3 patentsUS4632938ADec 30, 1986
Thiophenylureas, their production and use
TAKEDA CHEMICAL INDUSTRIES LTD7 citations74
US4564639AJan 14, 1986
N-(2,6-Difluorobenzoyl-N-'-(2-fluoro-4-halophenyl)urea
TAKEDA CHEMICAL INDUSTRIES LTD9 citations74
US4148625AApr 10, 1979
Tetrahydroisophthalimide compounds
TAKEDA CHEMICAL INDUSTRIES LTD7 citations74
UNIV TSUKUBA
2 patentsTSUCHIDA YASUSHI
1 patentShowing the top 50 of 111 patents by PatentIndex Score.