Kazunori Kawamura

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Akishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing optical article having anti-reflection film
- Patent number 4,855,180
- Issue date Aug 8, 1989
- Hoya Corporation
- Kazunori Kawamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Oxygen-permeable hard contact lens
- Patent number 4,540,761
- Issue date Sep 10, 1985
- Hoya Lens Corporation
- Kazunori Kawamura
- G02 - OPTICS