Akira Komatu

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Suwa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Multifocal contact lens
- Patent number 6,007,201
- Issue date Dec 28, 1999
- Seiko Epson Corporation
- Osamu Wada
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL