Keizou Sugiyama

Follow

Person

Fujimino-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication scheduling method for wireless relay systems
- Patent number 8,014,325
- Issue date Sep 6, 2011
- KDDI Corporation
- Haruki Izumikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless LAN system for virtual LAN
- Patent number 7,216,159
- Issue date May 8, 2007
- KDDI Corporation
- Kouichi Hirose
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication scheduling method
- Publication number 20070147341
- Publication date Jun 28, 2007
- KDDI CORPORATION
- Haruki Izumikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless LAN system for virtual LAN
- Publication number 20040172480
- Publication date Sep 2, 2004
- KDDI CORPORATION
- Kouichi Hirose
- H04 - ELECTRIC COMMUNICATION TECHNIQUE