Toru Segawa

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Kanagawa-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical modulation signal generating device and optical modulation...
- Patent number 8,306,433
- Issue date Nov 6, 2012
- Nippon Telegraph and Telephone Corporation
- Takaaki Kakitsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Light Receiving Element and Manufacturing Method Therefor
- Publication number 20240154047
- Publication date May 9, 2024
- Nippon Telegraph and Telephone Corporation
- Yoshiho Maeda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Wavelength Tunable Laser
- Publication number 20240039242
- Publication date Feb 1, 2024
- Nippon Telegraph and Telephone Corporation
- Takuma Tsurugaya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Photoelectric Converter
- Publication number 20240027681
- Publication date Jan 25, 2024
- Nippon Telegraph and Telephone Corporation
- Koji Takeda
- G02 - OPTICS
Information Patent Application
Optical Modulation Signal Generating Device and Optical Modulation...
- Publication number 20100202776
- Publication date Aug 12, 2010
- Nippon Telegraph and Telephone Corporation
- Takaaki Kakitsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE