Hoya Lens Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoya Lens Co., Ltd..The latest application filed is for "method for coating anti-reflection film on surface of optical material".
- Hoya Lens Co., Ltd. - JP JP
- Hoya Lens Co., Ltd. - Tokyo JA
| Patent | Date |
|---|---|
| Method for coating anti-reflection film on surface of optical material Grant 4,130,672 - Onoki , et al. December 19, 1 | 1978-12-19 |
| Process for producing soft contact lenses Grant 3,988,274 - Masuhara , et al. October 26, 1 | 1976-10-26 |
| Reversible light-sensitive glass Grant 3,941,605 - Yamashita March 2, 1 | 1976-03-02 |
| Process for coating an optical material and the resulting product Grant 3,900,672 - Hammond , et al. August 19, 1 | 1975-08-19 |
| Coated Optical Component Made Of Plastic Grant 3,811,753 - Onoki , et al. May 21, 1 | 1974-05-21 |
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