Nippon Contact Lens Manufacturing Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nippon Contact Lens Manufacturing Ltd..The latest application filed is for "contact lens material".
- Nippon Contact Lens Manufacturing Ltd. - Aichi JP
- Nippon Contact Lens Manufacturing Ltd. - Nagoya JP
| Patent | Date |
|---|---|
| Contact lens material Grant 4,602,074 - Mizutani , et al. July 22, 1 | 1986-07-22 |
| Method for manufacturing silicone contact lenses Grant 4,285,890 - Mizutani , et al. August 25, 1 | 1981-08-25 |
| Mold for manufacturing contact lenses Grant 4,138,086 - Mizutani , et al. February 6, 1 | 1979-02-06 |
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