Naotaka Kamiya

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Kasugai-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Photochromic contact lens having excellent discoloring characteristic
- Patent number 7,261,844
- Issue date Aug 28, 2007
- Menicon Co., Ltd.
- Sadayasu Tanikawa
- G02 - OPTICS
Information Patent Grant
Water-absorptive soft contact lens
- Patent number 5,741,830
- Issue date Apr 21, 1998
- Menicon Co., Ltd.
- Miyuki Kamiya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ocular lens material
- Patent number 5,041,511
- Issue date Aug 20, 1991
- Menicon Co., Ltd.
- Hiroaki Yanagawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Photochromic contact lens having excellent discoloring characteristic
- Publication number 20050243273
- Publication date Nov 3, 2005
- Menicon Co., Ltd.
- Sadayasu Tanikawa
- G02 - OPTICS