Susumu Kirii

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmission system and optical transmission apparatus used...
- Patent number 6,748,173
- Issue date Jun 8, 2004
- Matsushita Electric Industrial Co., Ltd.
- Yoshikazu Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical transmission device and optical transmission system
- Publication number 20060228117
- Publication date Oct 12, 2006
- Matsushita Electric Industrial Co., Ltd.
- Sachiko Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system and optical transmission apparatus used...
- Publication number 20010008451
- Publication date Jul 19, 2001
- MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- Yoshikazu Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE