Teruhisa Shimizu

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas permeable hard contact lens and method of producing it
- Patent number 6,352,343
- Issue date Mar 5, 2002
- Hoya Healthcare Corporation
- Kikuo Mitomo
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL