Keiji Sugimoto

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Kasugai-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact lens
- Patent number 6,733,124
- Issue date May 11, 2004
- Menicon Co., Ltd.
- Kazuya Miyamura
- G02 - OPTICS
Information Patent Grant
Contact lens
- Patent number 6,659,607
- Issue date Dec 9, 2003
- Menicon Co., Ltd.
- Kazuya Miyamura
- G02 - OPTICS
Information Patent Grant
Water-absorptive contact lens and process for its production
- Patent number 5,502,086
- Issue date Mar 26, 1996
- Menicon Co., Ltd.
- Haruyuki Hiratani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Water-absorptive contact lens
- Patent number 5,426,133
- Issue date Jun 20, 1995
- Menicon Co., Ltd.
- Yasuhito Hishida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Contact lens
- Publication number 20020163620
- Publication date Nov 7, 2002
- Menicon Co., Ltd.
- Kazuya Miyamura
- G02 - OPTICS
Information Patent Application
Contact lens
- Publication number 20020101563
- Publication date Aug 1, 2002
- Menicon Co., Ltd.
- Kazuya Miyamura
- G02 - OPTICS