Shinichi Ishigaki

Follow

Person

Fukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Broadcast control system, network element, and switching node appar...
- Patent number 6,385,200
- Issue date May 7, 2002
- Fujitsu Limited
- Akihisa Erami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication terminal and network unit in information offering sys...
- Patent number 6,226,681
- Issue date May 1, 2001
- Fujitsu Limited
- Masayuki Koga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of charging for additional services, and additional-service...
- Patent number 5,982,754
- Issue date Nov 9, 1999
- Fujitsu Limited
- Daiji Itou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE