Akio Ito

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Katano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of molding plastic and injection compression molding apparat...
- Patent number 4,849,151
- Issue date Jul 18, 1989
- Matsushita Electric Industrial Co., Ltd.
- Toru Tamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Substrate for an optical disc
- Patent number 4,701,770
- Issue date Oct 20, 1987
- Matsushita Electric Industrial Co., Ltd.
- Akio Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plastic lens of neopentyl glycol dimethacrylate copolymerized with...
- Patent number 4,536,267
- Issue date Aug 20, 1985
- Matsushita Electric Industrial Co., Ltd.
- Akio Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat cycle injection compression molding method
- Patent number 4,442,061
- Issue date Apr 10, 1984
- Matsushita Electric Industrial Co., Ltd.
- Shunsuke Matsuda
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL