Kiyoshi Okumura

Person

Ibaraki-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Switching device
- Patent number 7,009,130
- Issue date Mar 7, 2006
- Hitachi, Ltd.
- Hiroaki Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for reducing, enlarging and projecting image information
- Patent number 5,260,728
- Issue date Nov 9, 1993
- Hitachi, Ltd.
- Yoshio Yoshioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser Marking apparatus
- Patent number 5,260,542
- Issue date Nov 9, 1993
- Hitachi, Ltd.
- Kouji Ishiguro
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus and method for diagnosis of power appliances
- Patent number 5,253,180
- Issue date Oct 12, 1993
- Hitachi, Ltd.
- Tokio Yamagiwa
- G01 - MEASURING TESTING
Information Patent Grant
Laser marking system
- Patent number 5,157,235
- Issue date Oct 20, 1992
- Hitachi, Ltd.
- Kiyoshi Okumura
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Power apparatus, power transmission/distribution unit, and tripping...
- Patent number 5,124,687
- Issue date Jun 23, 1992
- Hitachi, Ltd.
- Kiyoshi Okumura
- G01 - MEASURING TESTING
Information Patent Grant
Gas-insulated switchgear apparatus
- Patent number 4,866,569
- Issue date Sep 12, 1989
- Hitachi, Ltd.
- Kiyoshi Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Switch operation monitoring apparatus
- Patent number 4,864,286
- Issue date Sep 5, 1989
- Hitachi, Ltd.
- Youichi Ohshita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas insulated switching apparatus
- Patent number 4,747,015
- Issue date May 24, 1988
- Hitachi, Ltd.
- Kiyoshi Okumura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Switching device
- Publication number 20040179318
- Publication date Sep 16, 2004
- Hitachi, Ltd.
- Hiroaki Hashimoto
- H01 - BASIC ELECTRIC ELEMENTS

Kiyoshi Okumura

Person

Patents Grantslast 30 patents

Switching device

Apparatus for reducing, enlarging and projecting image information

Laser Marking apparatus

Apparatus and method for diagnosis of power appliances

Laser marking system

Power apparatus, power transmission/distribution unit, and tripping...

Gas-insulated switchgear apparatus

Switch operation monitoring apparatus

Gas insulated switching apparatus

Patents Applicationslast 30 patents

Switching device