Naoki Tsubaki

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system
- Patent number 6,895,038
- Issue date May 17, 2005
- Hitachi, Ltd.
- Joichi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station apparatus, mobile communication system, and method of...
- Patent number 6,834,197
- Issue date Dec 21, 2004
- Hitachi, Ltd.
- Naruhito Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communications system and radio base station apparatus
- Patent number 6,615,030
- Issue date Sep 2, 2003
- Hitachi, Ltd.
- Joichi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication system
- Publication number 20010038664
- Publication date Nov 8, 2001
- Joichi Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station apparatus, mobile communication system, and method of...
- Publication number 20010019961
- Publication date Sep 6, 2001
- Naruhito Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE