Kazutoshi Kato

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Isehara-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wavelength swept light source
- Patent number 9,372,339
- Issue date Jun 21, 2016
- Nippon Telegraph and Telephone Communications
- Seiji Toyoda
- G02 - OPTICS
Information Patent Grant
Optical packet routing network system based on optical label switch...
- Patent number 7,120,358
- Issue date Oct 10, 2006
- Nippon Telegraph and Telephone Corporation
- Akira Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet routing network system based on optical label switch...
- Patent number 7,113,701
- Issue date Sep 26, 2006
- Nippon Telegraph and Telephone Corporation
- Akira Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical packet routing network system based on optical label switch...
- Patent number 6,782,210
- Issue date Aug 24, 2004
- Nippon Telegraph and Telephone Corporation
- Akira Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor photodetector
- Patent number 5,949,120
- Issue date Sep 7, 1999
- Nippon Telegraph & Telephone Corporation
- Kazutoshi Kato
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
WAVELENGTH SWEPT LIGHT SOURCE
- Publication number 20130286454
- Publication date Oct 31, 2013
- Nippon Telegraph and Telephone Corporation
- Seiji Toyoda
- G02 - OPTICS
Information Patent Application
Optical packet routing network system based on optical label switch...
- Publication number 20040146300
- Publication date Jul 29, 2004
- Nippon Telegraph and Telephone Corporation
- Akira Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical packet routing network system based on optical label switch...
- Publication number 20040141743
- Publication date Jul 22, 2004
- Nippon Telegraph and Telephone Corporation
- Akira Okada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE