Tomoyuki Nishikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical-fiber-amplifier measuring apparatus
- Patent number 6,204,950
- Issue date Mar 20, 2001
- Ando Electric Co., Ltd.
- Tomoyuki Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION APPARATUS, METHOD, AND PROGRAM
- Publication number 20230164260
- Publication date May 25, 2023
- SONY GROUP CORPORATION
- Kenta ASAKURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE