Katsuhiro Komuro

Person

Hitachi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor using magnet
- Patent number 7,399,368
- Issue date Jul 15, 2008
- Hitachi, Ltd.
- Matahiro Komuro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor using magnet
- Patent number 7,064,642
- Issue date Jun 20, 2006
- Hitachi, Ltd.
- Matahiro Komuro
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Turbo-charger for internal-combustion engine
- Patent number 6,793,468
- Issue date Sep 21, 2004
- Hitachi, Ltd.
- Kazuo Ojima
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes...
- Patent number 6,437,275
- Issue date Aug 20, 2002
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode u...
- Patent number 6,248,969
- Issue date Jun 19, 2001
- Hitachi, Ltd.
- Katsuhiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit breaker as well as vacuum valve and electric contact...
- Patent number 6,048,216
- Issue date Apr 11, 2000
- Hitachi, Ltd.
- Katsuhiro Komuro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Vacuum circuit breaker as well as vacuum valve and electric contact...
- Patent number 5,852,266
- Issue date Dec 22, 1998
- Hitachi, Ltd.
- Katsuhiro Komuro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Electrode for vacuum circuit breaker
- Patent number 5,763,848
- Issue date Jun 9, 1998
- Hitachi, Ltd.
- Yoshimi Hakamata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method forming an electric contact in a vacuum circuit breaker
- Patent number 5,697,150
- Issue date Dec 16, 1997
- Hitachi, Ltd.
- Katsuhiro Komuro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Vacuum circuit breaker with improved contact assembly
- Patent number 5,691,521
- Issue date Nov 25, 1997
- Hitachi, Ltd.
- Katsuhiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit-breaker and electrode assembly therefor and a manufa...
- Patent number 5,612,523
- Issue date Mar 18, 1997
- Hitachi, Ltd.
- Yoshimi Hakamata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vacuum circuit interrupter
- Patent number 5,594,224
- Issue date Jan 14, 1997
- Hitachi, Ltd.
- Toru Tanimizu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ceramic-particle-dispersed metallic member, manufacturing method of...
- Patent number 5,589,652
- Issue date Dec 31, 1996
- Hitachi, Ltd.
- Toshiaki Arato
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Vacuum circuit breaker and electric contact
- Patent number 5,557,083
- Issue date Sep 17, 1996
- Hitachi, Ltd.
- Katsuhiro Komuro
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sliding member, a method for producing same, and usages of same
- Patent number 5,364,248
- Issue date Nov 15, 1994
- Hitachi, Ltd.
- Shoichi Nakashima
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for preparation of graphite-containing aluminum alloys
- Patent number 4,383,970
- Issue date May 17, 1983
- Hitachi, Ltd.
- Katsuhiro Komuro
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing graphite-containing copper alloys
- Patent number 4,207,096
- Issue date Jun 10, 1980
- Hitachi, Ltd.
- Masateru Suwa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Motor using magnet
- Publication number 20060238282
- Publication date Oct 26, 2006
- HITACHI, LTD.
- Matahiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Motor using magnet
- Publication number 20040036566
- Publication date Feb 26, 2004
- Hitachi, Ltd.
- Matahiro Komuro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Turbo-charger for internal-combustion engine
- Publication number 20030026715
- Publication date Feb 6, 2003
- Kazuo Ojima
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Vacuum circuit-breaker, vacuum valve for use therein, and electrode...
- Publication number 20020117476
- Publication date Aug 29, 2002
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum switch and vacuum switchgear using the same
- Publication number 20020043516
- Publication date Apr 18, 2002
- Hitachi, Ltd.
- Ayumu Morita
- H01 - BASIC ELECTRIC ELEMENTS

Katsuhiro Komuro

Person

Patents Grantslast 30 patents

Motor using magnet

Motor using magnet

Turbo-charger for internal-combustion engine

Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes...

Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode u...

Vacuum circuit breaker as well as vacuum valve and electric contact...

Vacuum circuit breaker as well as vacuum valve and electric contact...

Electrode for vacuum circuit breaker

Method forming an electric contact in a vacuum circuit breaker

Vacuum circuit breaker with improved contact assembly

Vacuum circuit-breaker and electrode assembly therefor and a manufa...

Vacuum circuit interrupter

Ceramic-particle-dispersed metallic member, manufacturing method of...

Vacuum circuit breaker and electric contact

Sliding member, a method for producing same, and usages of same

Process for preparation of graphite-containing aluminum alloys

Method of producing graphite-containing copper alloys

Patents Applicationslast 30 patents

Motor using magnet

Motor using magnet

Turbo-charger for internal-combustion engine

Vacuum circuit-breaker, vacuum valve for use therein, and electrode...

Vacuum switch and vacuum switchgear using the same