Akihiro Izuka

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Himeji-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording sheet with an ink absorbing layer
- Patent number 6,465,078
- Issue date Oct 15, 2002
- Daicel Chemical Industries, Ltd.
- Ken-ichi Kawai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Polycarbonate and optical disk therefrom
- Patent number 5,173,347
- Issue date Dec 22, 1992
- Daicel Chemical Industries, Ltd.
- Tatsuya Kanno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing plastic substrate for optical disks
- Patent number 4,986,938
- Issue date Jan 22, 1991
- Daicel Chemical Industries Ltd.
- Akihiro Izuka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Plastic substrate for optical disk and process for producing the same
- Patent number 4,841,501
- Issue date Jun 20, 1989
- Daicel Chemical Industries, Ltd.
- Akihiro Izuka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Recording sheets and process for the production thereof
- Publication number 20020160162
- Publication date Oct 31, 2002
- Daicel Chemical Industries, Ltd.
- Ken-Ichi Kawai
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS