Kazuo Tachiwama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical glass and process for the production of optical products
- Patent number 6,818,578
- Issue date Nov 16, 2004
- Hoya Corporation
- Kazuo Tachiwama
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Optical glass and process for the production of optical products
- Publication number 20050085371
- Publication date Apr 21, 2005
- HOYA CORPORATION
- Kazuo Tachiwama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical glass and process for the production of optical products
- Publication number 20020006857
- Publication date Jan 17, 2002
- Kazuo Tachiwama
- C03 - GLASS MINERAL OR SLAG WOOL