Mitsuru Otani

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Meguro-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical switching apparatus and optical transmission apparatus
- Patent number 6,983,108
- Issue date Jan 3, 2006
- Kabushiki Kaisha Toshiba
- Mitsuru Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Optical switching apparatus and optical transmission apparatus
- Publication number 20020044315
- Publication date Apr 18, 2002
- Mitsuru Sugawara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission apparatus and tributary interface substrate
- Publication number 20020009074
- Publication date Jan 24, 2002
- Hitoshi Iwahori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE