Akiyoshi Tanaka

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing optical medium
- Patent number 6,533,883
- Issue date Mar 18, 2003
- Hoya Corporation
- Akiyoshi Tanaka
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Fiber laser device and a laser apparatus
- Publication number 20020172236
- Publication date Nov 21, 2002
- Hoya Corporation
- Hiroshi Sekiguchi
- H01 - BASIC ELECTRIC ELEMENTS