Takahashi; Kouzou
Patent Applications and Registrations
Patent applications and USPTO patent grants for Takahashi; Kouzou.The latest application filed is for "oxygen permeable hard contact lens".
- Takahashi; Kouzou - Aichi JP
- Takahashi; Kouzou - Nagoya JP
| Patent | Date |
|---|---|
| Oxygen permeable hard contact lens Grant 4,433,125 - Ichinohe , et al. February 21, 1 | 1984-02-21 |
| Polymer for contact lens and contact lens made thereof Grant 4,235,985 - Tanaka , et al. November 25, 1 | 1980-11-25 |
| Copolymer for contact lens, its preparation and contact lens made thereof Grant 4,139,692 - Tanaka , et al. February 13, 1 | 1979-02-13 |
| Methyldi(trimethylsiloxy)sylylpropylglycerol methacrylate Grant 4,139,548 - Tanaka , et al. February 13, 1 | 1979-02-13 |
| Copolymer for soft contact lens, its preparation and soft contact lens made thereof Grant 4,139,513 - Tanaka , et al. February 13, 1 | 1979-02-13 |
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