Hitoshi Yamashita

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Yokohama, 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
Hardenable composition, aqueous gel and applications
- Patent number 5,624,998
- Issue date Apr 29, 1997
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hardenable composition, aqueous gel and applications thereof
- Patent number 5,519,088
- Issue date May 21, 1996
- Mitsui Toatsu Chemicals, Incorporated
- Hiroshi Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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