Tetsuo Itoh

Follow

Person

Machida, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Non-hydrous soft contact lens and process for producing the same
- Patent number 4,882,403
- Issue date Nov 21, 1989
- Japan Synthetic Rubber Co., Ltd.
- Tetsuo Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Thermoplastic resin composition comprising a polyphenylene ether an...
- Patent number 4,839,425
- Issue date Jun 13, 1989
- Japan Synthetic Rubber Co., Ltd.
- Masaaki Mawatari
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
Optical product having a thin film on the surface
- Patent number 4,632,844
- Issue date Dec 30, 1986
- Japan Synthetic Rubber Co., Ltd.
- Kenji Yanagihara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...