Koichi YAMAZAKI

Follow

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Redundancy gateway system
- Patent number 7,715,374
- Issue date May 11, 2010
- Oki Electric Industry Co. Ltd.
- Yuzuru Masuya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Charging and discharging control circuit and charging type power su...
- Patent number 6,118,253
- Issue date Sep 12, 2000
- Seiko Instruments Inc.
- Hiroshi Mukainakano
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Redundancy gateway system
- Publication number 20080151915
- Publication date Jun 26, 2008
- Oki Electric Industry Co., Ltd.
- Yuzuru MASUYA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE