Tohru Hosaka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Molded articles having hard coat layer and method for producing same
- Patent number 5,725,960
- Issue date Mar 10, 1998
- Nippon Zeon Co., Ltd.
- Yuichiro Konishi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Medical implement, polymer composition, and optical material
- Patent number 5,561,208
- Issue date Oct 1, 1996
- Nippon Zeon Co., Ltd.
- Nobukazu Takahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medical implement, polymer composition, and optical material
- Patent number 5,468,803
- Issue date Nov 21, 1995
- Nippon Zeon Co. Ltd.
- Nobukazu Takahashi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hydrogenated products of thermoplastic norbornene polymers, their p...
- Patent number 5,462,995
- Issue date Oct 31, 1995
- Nippon Zeon Co., Ltd.
- Tohru Hosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ring-opened polymer from norbornene type of polycyclic monomer and...
- Patent number 5,061,771
- Issue date Oct 29, 1991
- Nippon Zeon Co., Ltd.
- Masayoshi Oshima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...