Naokatsu Tanahashi

Follow

Person

Gifu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Contact lens material
- Patent number 4,743,667
- Issue date May 10, 1988
- Nippon Contact Lens, Inc.
- Yutaka Mizutani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Contact lens material
- Patent number 4,602,074
- Issue date Jul 22, 1986
- Nippon Contact Lens Manufacturing Ltd.
- Yutaka Mizutani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...