Osamu Imagawa

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic polyurethane
- Patent number 5,695,884
- Issue date Dec 9, 1997
- Toyo Boseki Kabushiki Kaisha
- Futoshi Ishimaru
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing hydrogenated amorphous silicon film
- Patent number 4,866,006
- Issue date Sep 12, 1989
- Toyo Boseki Kabushiki Kaisha
- Osamu Imagawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hydrogenated amorphous silicon film
- Patent number 4,839,701
- Issue date Jun 13, 1989
- Toyo Boseki Kabushiki Kaisha
- Osamu Imagawa
- H01 - BASIC ELECTRIC ELEMENTS