Chizuo Izumino

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for making optical preforms and optical elements by press
- Patent number 5,965,069
- Issue date Oct 12, 1999
- Matsushita Electric Industrial Co., Ltd.
- Jun Murata
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL