Osamu Ohara

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Kurashiki, JP

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Patents Grantslast 30 patents

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Diaphragm for an electro-acoustic transducer
- Patent number 4,412,103
- Issue date Oct 25, 1983
- Kuraray Co., Ltd.
- Kiyonobu Fujii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Aqueous dispersion type coating compositions with an improved vibra...
- Patent number 4,391,857
- Issue date Jul 5, 1983
- Kuraray Company, Limited
- Koichi Saito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous dispersion type coating compositions with an improved vibra...
- Patent number 4,325,858
- Issue date Apr 20, 1982
- Kuraray Company, Limited
- Koichi Saito
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES