Shoichi Hanatani

Follow

Person

Richardson, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 7,272,314
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 6,813,445
- Issue date Nov 2, 2004
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 6,362,905
- Issue date Mar 26, 2002
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical cross-connect system and optical transmission system
- Patent number 6,317,230
- Issue date Nov 13, 2001
- Hitachi, Ltd.
- Shigeki Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical crossconnect apparatus and optical transmission system
- Publication number 20050025481
- Publication date Feb 3, 2005
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical crossconnect apparatus and optical transmission system
- Publication number 20020093712
- Publication date Jul 18, 2002
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical cross-connect system and optical transmission system
- Publication number 20010033403
- Publication date Oct 25, 2001
- Shigeki Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE