Masao Kitayama

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ultraviolet ray-absorbing, colorless and transparent soda-lime-sili...
- Patent number 6,878,653
- Issue date Apr 12, 2005
- Nihon Yamamura Glass Co., Ltd.
- Masao Kitayama
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Ultraviolet radiation-absorbing, colorless, transparent soda-lime s...
- Patent number 6,407,021
- Issue date Jun 18, 2002
- Nihon Yamamura Glass Co., Ltd.
- Masao Kitayama
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Ultraviolet ray-absorbing, colorless and transparent soda-lime-sili...
- Publication number 20030144126
- Publication date Jul 31, 2003
- Masao Kitayama
- C03 - GLASS MINERAL OR SLAG WOOL