Hirohisa Masuda

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lead-free low softening point glass
- Patent number 7,148,165
- Issue date Dec 12, 2006
- Tokan Material Technology Co., Ltd.
- Hirohisa Masuda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Lead-free low softening point glass
- Patent number 6,989,340
- Issue date Jan 24, 2006
- Tokan Material Technology Co., Ltd.
- Hirohisa Masuda
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Lead-free low softening point glass
- Publication number 20060052230
- Publication date Mar 9, 2006
- Tokan Material Technology Co., Ltd.
- Hirohisa Masuda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
LEAD-FREE LOW SOFTENING POINT GLASS
- Publication number 20050255985
- Publication date Nov 17, 2005
- Tokan Material Technology Co., Ltd.
- Hirohisa Masuda
- C03 - GLASS MINERAL OR SLAG WOOL