Haruki Koyanagi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmitting apparatus and optical detecting apparatus
- Patent number 9,118,434
- Issue date Aug 25, 2015
- Mitsubishi Electric Corporation
- Takuro Shinada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser diode modules converging parts, and optical coupling methods
- Patent number 6,010,251
- Issue date Jan 4, 2000
- Mitsubishi Denki Kabushiki Kaisha
- Haruki Koyanagi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMITTING APPARATUS AND OPTICAL RECEIVING APPARATUS
- Publication number 20140294386
- Publication date Oct 2, 2014
- Mitsubishi Electric Corporation
- Takuro Shinada
- G02 - OPTICS
Information Patent Application
Laser diode module with stable optical output
- Publication number 20020048291
- Publication date Apr 25, 2002
- Haruki Koyanagi
- G02 - OPTICS