Katsuo Imatani

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Ube, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of aromatic polyimide film
- Patent number 5,308,569
- Issue date May 3, 1994
- Ube Industries, Ltd.
- Toshikazu Hamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Aromatic polyimide film laminated with metal foil
- Patent number 5,262,227
- Issue date Nov 16, 1993
- Ube Industries, Ltd.
- Seiichirou Takabayashi
- B32 - LAYERED PRODUCTS
Information Patent Grant
Abrasive sheet and process for producing same
- Patent number 5,221,291
- Issue date Jun 22, 1993
- Ube Industries, Ltd.
- Katsuo Imatani
- B24 - GRINDING POLISHING
Information Patent Grant
High purity crystals of biphenyltetracarboxylic dianhydride and pro...
- Patent number 4,958,002
- Issue date Sep 18, 1990
- UBE Industries, Ltd.
- Katsuo Imatani
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of recovering palladium catalyst
- Patent number 4,895,596
- Issue date Jan 23, 1990
- UBE Industries, Ltd.
- Katsuo Imatani
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...