Tadashi Takahashi

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Shiga, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fire-protection and safety composite glass panel
- Patent number 5,624,761
- Issue date Apr 29, 1997
- Nippon Electric Glass Co., Ltd.
- Akihiko Sakamoto
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fire-protection and safety glass panel
- Patent number 5,462,805
- Issue date Oct 31, 1995
- Nippon Electric Glass Co., Ltd.
- Akihiko Sakamoto
- B32 - LAYERED PRODUCTS