Tomoyuki Kotani

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Biaxially oriented polyester film for magnetic recording medium
- Patent number 5,670,236
- Issue date Sep 23, 1997
- Diafoil Hoechst Company, Ltd.
- Tomoyuki Kotani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Laminating material for safety glass
- Patent number 5,145,746
- Issue date Sep 8, 1992
- Diafoil Company, Ltd.
- Kotani Tomoyuki
- B32 - LAYERED PRODUCTS
Information Patent Grant
Minute-cellular polyester film
- Patent number 4,871,784
- Issue date Oct 3, 1989
- Diafoil Company, Limited
- Satoshi Otonari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Minute-cellular polyester film provided with coating
- Patent number 4,857,396
- Issue date Aug 15, 1989
- Daifoil Company, Ltd.
- Satoshi Otonari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...