Yoshio Tashiro

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light amplification optical fiber and light amplifier using the same
- Patent number 6,463,201
- Issue date Oct 8, 2002
- The Furukawa Electric Co., Ltd.
- Keiichi Aiso
- G02 - OPTICS
Information Patent Grant
Optical amplifier, optical amplification apparatus, and optical amp...
- Patent number 6,433,928
- Issue date Aug 13, 2002
- The Furukawa Electric Co., Ltd.
- Katsuya Nukui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier
- Patent number 6,411,430
- Issue date Jun 25, 2002
- The Furukawa Electric Co., Ltd.
- Atsushi Ogino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Light amplification optical fiber and light amplifier using the same
- Publication number 20020114600
- Publication date Aug 22, 2002
- The Furukawa Electric CO., LTD
- Keiichi Aiso
- C03 - GLASS MINERAL OR SLAG WOOL