Ricky Contact Lens Research Institute Inc.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-hydrous soft contact lens and process for producing the same
- Patent number 4,737,556
- Issue date Apr 12, 1988
- Japan Synthetic Rubber Co., Ltd.
- Tetsuo Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing shaped articles having improved surfaces
- Patent number 4,550,001
- Issue date Oct 29, 1985
- Japan Synthetic Rubber Co., Ltd.
- Taro Suminoe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing colored contact lens
- Patent number 4,494,954
- Issue date Jan 22, 1985
- Japan Synthetic Rubber Co., Ltd.
- Taro Suminoe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

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