Keizo Sugiyama

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Polling period controlling apparatus
- Patent number 6,791,998
- Issue date Sep 14, 2004
- KDD Corporation
- Kiyohito Yoshihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Route selection method
- Patent number 6,259,673
- Issue date Jul 10, 2001
- Kokusai Denshin Denwa Kabushiki-Kaisha
- Kiyohito Yoshihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for access control on MIB in OSI management
- Patent number 6,081,838
- Issue date Jun 27, 2000
- Kokusai Denshin Denwa Co., Ltd.
- Kiyohito Yoshihara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for management of SNMP/OSI gateways
- Patent number 5,960,176
- Issue date Sep 28, 1999
- Kokusai Denshin Denwa Co., Ltd.
- Tetsuya Kuroki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE