Koyanagi Toshinori

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Packet transmission device and packet transmission method
- Patent number 7,546,496
- Issue date Jun 9, 2009
- Fujitsu Limited
- Toshinori Koyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network unit and optical line terminal
- Patent number 7,415,111
- Issue date Aug 19, 2008
- Fujitsu Limited
- Takashi Monzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 7,177,326
- Issue date Feb 13, 2007
- Fujitsu Limited
- Masamichi Kasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network unit and optical line terminal
- Patent number 6,848,053
- Issue date Jan 25, 2005
- Fujitsu Limited
- Takashi Monzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical line terminal
- Patent number 6,728,248
- Issue date Apr 27, 2004
- Fujitsu Limited
- Kazuhiro Uchida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical subscriber line terminal unit and a state transition contro...
- Patent number 6,650,841
- Issue date Nov 18, 2003
- Fujitsu Limited
- Tamotsu Matsuo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Delay adjustment unit and method, optical network unit, and communi...
- Patent number 6,647,210
- Issue date Nov 11, 2003
- Fujitsu Limited
- Yoshimi Toyoda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Homo-code continuity proof testing device
- Patent number 6,611,928
- Issue date Aug 26, 2003
- Fujitsu Limited
- Shinichi Fujiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frame synchronism processing apparatus and frame synchronism proces...
- Patent number 6,587,527
- Issue date Jul 1, 2003
- Fujitsu Limited
- Shigeo Tani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Loop detection method and device
- Publication number 20060126517
- Publication date Jun 15, 2006
- FUJITSU LIMITED
- Hiroshi Kurosaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet transmission device and packet transmission method
- Publication number 20060107188
- Publication date May 18, 2006
- Toshinori Koyanagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical network unit and optical line terminal
- Publication number 20050058139
- Publication date Mar 17, 2005
- Takashi Monzawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system
- Publication number 20020085583
- Publication date Jul 4, 2002
- Masamichi Kasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Koyanagi Toshinori

Person

Patents Grantslast 30 patents

Packet transmission device and packet transmission method

Optical network unit and optical line terminal

Communication system

Optical network unit and optical line terminal

Optical line terminal

Optical subscriber line terminal unit and a state transition contro...

Delay adjustment unit and method, optical network unit, and communi...

Homo-code continuity proof testing device

Frame synchronism processing apparatus and frame synchronism proces...

Patents Applicationslast 30 patents

Loop detection method and device

Packet transmission device and packet transmission method

Optical network unit and optical line terminal

Communication system