Toshihiro Yoshimura

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Kamakura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fire-resistant glass and process for production thereof
- Patent number 5,653,839
- Issue date Aug 5, 1997
- Mitsui Toatsu Chemical Incorporated
- Hiroshi Itoh
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fire-resistant glass and process for production thereof
- Patent number 5,437,902
- Issue date Aug 1, 1995
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- B32 - LAYERED PRODUCTS