Yoshinori Satoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical loopback apparatus
- Patent number 6,122,420
- Issue date Sep 19, 2000
- Ando Electric Co., Ltd.
- Yoshinori Satoh
- G02 - OPTICS
Information Patent Grant
High-reflection attenuating light interception apparatus
- Patent number 5,937,122
- Issue date Aug 10, 1999
- Ando Electric Co., Ltd.
- Kazuhiro Ohki
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Tunable filter
- Publication number 20040208448
- Publication date Oct 21, 2004
- Keisuke Asami
- G02 - OPTICS
Information Patent Application
Optical attenuator, optical photometer and method for controlling q...
- Publication number 20010012434
- Publication date Aug 9, 2001
- Yoshinori Satoh
- G02 - OPTICS