Kazuya Ryu

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Fukuoka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Frame transmitting apparatus and method utilizing a round-robin tec...
- Patent number 7,965,730
- Issue date Jun 21, 2011
- Fujitsu Limited
- Kazuya Ryu
- 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
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
Homo-code continuity proof testing device
- Patent number 6,611,928
- Issue date Aug 26, 2003
- Fujitsu Limited
- Shinichi Fujiyoshi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Frame transmitting apparatus and method thereof
- Publication number 20090279428
- Publication date Nov 12, 2009
- FUJITSU LIMITED
- Kazuya Ryu
- 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