Akira Motonaga

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lens sheet and method of manufacturing the same
- Patent number 6,870,674
- Issue date Mar 22, 2005
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS
Information Patent Grant
Lens sheet and method for producing the same
- Patent number 6,628,460
- Issue date Sep 30, 2003
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS
Information Patent Grant
Polybutylene glycol dimethacrylate and resin composition for cast p...
- Patent number 5,247,038
- Issue date Sep 21, 1993
- Mitsubishi Rayon Co., Ltd.
- Hiroshi Fukushima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for plastic lenses
- Patent number 5,183,870
- Issue date Feb 2, 1993
- Mitsubishi Rayon Co., Ltd.
- Hiroshi Fukushima
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Membranous gas separator
- Patent number 5,154,740
- Issue date Oct 13, 1992
- Mitsubishi Rayon Co., Ltd.
- Akira Motonaga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for preparing a membranous gas separator
- Patent number 5,045,357
- Issue date Sep 3, 1991
- Mitsubishi Rayon Company, Ltd.
- Akira Motonaga
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Active energy ray-curable coating composition and method for formin...
- Publication number 20070185299
- Publication date Aug 9, 2007
- MITSUBISHI RAYON CO., LTD
- Akira Motonaga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Lens sheet and method of manufacturing the same
- Publication number 20040075897
- Publication date Apr 22, 2004
- Mitsubishi Rayon Co., Ltd.
- Makoto Ookawa
- G02 - OPTICS