Seiji Kawata

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical driving device and optical communication system
- Patent number 10,256,913
- Issue date Apr 9, 2019
- Renesas Electronics Corporation
- Seiji Kawata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor laser device and method for manufacturing same
- Patent number 6,181,720
- Issue date Jan 30, 2001
- NEC Corporation
- Mitsunori Kanemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mechanism for scanning the inner periphery of a drum included in an...
- Patent number 5,636,049
- Issue date Jun 3, 1997
- NEC Corporation
- Seiji Kawata
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DRIVING DEVICE AND OPTICAL COMMUNICATION SYSTEM
- Publication number 20190007141
- Publication date Jan 3, 2019
- RENESAS ELECTRONICS CORPORATION
- Seiji KAWATA
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
SEMICONDUCTOR DEVICE
- Publication number 20170250755
- Publication date Aug 31, 2017
- RENESAS ELECTRONICS CORPORATION
- Seiji KAWATA
- G02 - OPTICS