Takeaki Iryo

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Nagano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Film-forming coating solution and synthetic resin lens
- Patent number 5,789,476
- Issue date Aug 4, 1998
- Seiko Epson Corporation
- Takeaki Iryo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Synthetic resin lens
- Patent number 4,930,879
- Issue date Jun 5, 1990
- Nippon Oil & Fats Co., Ltd.
- Takeaki Iryo
- G02 - OPTICS