Tetsuya Kawai

Follow

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication device and communication system
- Patent number 7,697,890
- Issue date Apr 13, 2010
- Oki Electric Industry Co., Ltd.
- Kiyoshi Fukui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication device and communication system
- Publication number 20070274248
- Publication date Nov 29, 2007
- Oki Electric Industry Co., Ltd.
- Kiyoshi Fukui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE