Motokazu Hirao

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Naphthalene compound, and liquid crystal composition and liquid cry...
- Patent number 5,861,108
- Issue date Jan 19, 1999
- Mitsui Chemicals, Inc.
- Tsutomu Ishida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidine compound and liquid crystal composition and liquid cryst...
- Patent number 5,770,108
- Issue date Jun 23, 1998
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing an aromatic polycarbonate
- Patent number 5,426,170
- Issue date Jun 20, 1995
- Mitsui Toatsu Chemicals, Inc.
- Motokazu Hirao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic polycarbonate and process for production thereof
- Patent number 5,380,814
- Issue date Jan 10, 1995
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes for producing aromatic polycarbonate oligomer and aromati...
- Patent number 5,359,117
- Issue date Oct 25, 1994
- Mitsui Toatsu Chemicals, Inc.
- Yoshiyuki Totani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...