Takuji Yoshimura

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Osaka, JA

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Patents Grantslast 30 patents

Information Patent Grant
Alkali-resistant glass composition and glass fibers made therefrom
- Patent number 4,067,744
- Issue date Jan 10, 1978
- Kanebo, Ltd.
- Koichiro Ohtomo
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Alkali resistant glass compositions and alkali resistant glass fibe...
- Patent number 3,973,974
- Issue date Aug 10, 1976
- Kanebo, Ltd.
- Koichiro Ohtomo
- C03 - GLASS MINERAL OR SLAG WOOL