Jun Oyama

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Code-division-multiple-access mobile communication system accommoda...
- Patent number 7,174,167
- Issue date Feb 6, 2007
- Fujitsu Limited
- Yasunori Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Code-division-multiple-access mobile communication system accomodat...
- Patent number 6,741,859
- Issue date May 25, 2004
- Fujitsu Limited
- Yasunori Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Overload tripping device for circuit breaker
- Patent number 6,621,403
- Issue date Sep 16, 2003
- Fuji Electric Co., Ltd.
- Isamu Nagahiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contact shoe device for circuit breaker
- Patent number 6,400,243
- Issue date Jun 4, 2002
- Fuji Electric Co., Ltd.
- Jun Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-frequency circuit apparatus
- Patent number 6,246,301
- Issue date Jun 12, 2001
- Fujitsu Limited
- Hiroyuki Sogo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Circuit breaker with metal melt isolation device
- Patent number 6,150,908
- Issue date Nov 21, 2000
- Fuji Electric Co., Ltd.
- Koji Asakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Repulsion type circuit breaker control device
- Patent number RE35507
- Issue date May 13, 1997
- Fuji Electric Co., Ltd.
- Naoshi Uchida
- 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Information Patent Grant
Circuit breaker with arc quenching device and vent
- Patent number 5,589,672
- Issue date Dec 31, 1996
- Fuji Electric Co., Ltd.
- Naoshi Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker arc quenching device with venting structure includi...
- Patent number 5,569,894
- Issue date Oct 29, 1996
- Fuji Electric Co., Ltd.
- Naoshi Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker
- Patent number 5,184,100
- Issue date Feb 2, 1993
- Fuji Electric Co., Ltd.
- Jun Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Repulsion type circuit breaker control device
- Patent number 5,164,560
- Issue date Nov 17, 1992
- Fuji Electric Co., Ltd.
- Naoshi Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker
- Patent number 5,023,416
- Issue date Jun 11, 1991
- Fuji Electric Co., Ltd.
- Jun Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker overcurrent tripping device
- Patent number 4,884,049
- Issue date Nov 28, 1989
- Fuji Electric Co., Ltd.
- Jun Oyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker
- Patent number 4,780,579
- Issue date Oct 25, 1988
- Fuji Electric Co., Ltd.
- Nobuo Asahi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Code-division-multiple-access mobile communication system accommoda...
- Publication number 20060286983
- Publication date Dec 21, 2006
- YASUNORI OTSUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Code-division-multiple-access mobile communication system accommoda...
- Publication number 20050026614
- Publication date Feb 3, 2005
- YASUNORI OTSUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CODE-DIVISION-MULTIPLE-ACCESS MOBILE COMMUNICATION SYSTEM ACCOMODAT...
- Publication number 20030137951
- Publication date Jul 24, 2003
- YASUNORI OTSUKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Overload tripping device for circuit breaker
- Publication number 20020063619
- Publication date May 30, 2002
- Isamu Nagahiro
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Contact shoe device for circuit breaker
- Publication number 20010011651
- Publication date Aug 9, 2001
- Jun Oyama
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Code-division-multiple-access mobile communication system accommoda...

Code-division-multiple-access mobile communication system accomodat...

Overload tripping device for circuit breaker

Contact shoe device for circuit breaker

High-frequency circuit apparatus

Circuit breaker with metal melt isolation device

Repulsion type circuit breaker control device

Circuit breaker with arc quenching device and vent

Circuit breaker arc quenching device with venting structure includi...

Circuit breaker

Repulsion type circuit breaker control device

Circuit breaker

Circuit breaker overcurrent tripping device

Circuit breaker

Patents Applicationslast 30 patents

Code-division-multiple-access mobile communication system accommoda...

Code-division-multiple-access mobile communication system accommoda...

CODE-DIVISION-MULTIPLE-ACCESS MOBILE COMMUNICATION SYSTEM ACCOMODAT...

Overload tripping device for circuit breaker

Contact shoe device for circuit breaker