Kumi; Augustine Twum
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kumi; Augustine Twum.The latest application filed is for "silicone hydrogel contact lenses".
- Kumi; Augustine Twum - Grayson GA
| Patent | Date |
|---|---|
| Ophthalmic compositions Grant 11,439,661 - Zhang , et al. September 13, 2 | 2022-09-13 |
| Silicone Hydrogel Contact Lenses App 20220275154 - Zhang; Steve Yun ; et al. | 2022-09-01 |
| Method for making silicone hydrogel contact lenses Grant 11,427,685 - Wu , et al. August 30, 2 | 2022-08-30 |
| Silicone hydrogel contact lenses Grant 11,365,288 - Zhang , et al. June 21, 2 | 2022-06-21 |
| Silicone hydrogel contact lenses Grant 11,346,982 - Wu , et al. May 31, 2 | 2022-05-31 |
| Method For Making Photochromic Contact Lenses App 20220137433 - Chang; Yuan ; et al. | 2022-05-05 |
| Method For Making Photochromic Contact Lenses App 20220126541 - Ge; Junhao ; et al. | 2022-04-28 |
| Method for producing silicone hydrogel contact lenses Grant 11,254,076 - Ge , et al. February 22, 2 | 2022-02-22 |
| Silicone hydrogel contact lenses Grant 10,968,319 - Zhang , et al. April 6, 2 | 2021-04-06 |
| Silicone Hydrogel Contact Lenses App 20210011197 - Wu; Daqing ; et al. | 2021-01-14 |
| Silicone Hydrogel Contact Lenses App 20210009762 - Zhang; Steve Yun ; et al. | 2021-01-14 |
| Ophthalmic Compositions App 20200405747 - Zhang; Steve Yun ; et al. | 2020-12-31 |
| Silicone hydrogel contact lenses Grant 10,875,967 - Zhang , et al. December 29, 2 | 2020-12-29 |
| Silicone hydrogel contact lenses Grant 10,866,344 - Wu , et al. December 15, 2 | 2020-12-15 |
| Method for producing silicone hydrogel contact lenses Grant 10,843,422 - Wu , et al. November 24, 2 | 2020-11-24 |
| Method For Producing Silicone Hydrogel Contact Lenses App 20190366660 - Ge; Junhao ; et al. | 2019-12-05 |
| Method For Making Silicone Hydrogel Contact Lenses App 20190300654 - Wu; Daqing ; et al. | 2019-10-03 |
| Silicone Hydrogel Contact Lenses App 20190263971 - Zhang; Steve Yun ; et al. | 2019-08-29 |
| Method For Producing Silicone Hydrogel Contact Lenses App 20180354214 - Wu; Daqing ; et al. | 2018-12-13 |
| Silicone Hydrogel Contact Lenses App 20180356562 - Wu; Daqing ; et al. | 2018-12-13 |
| Silicone Hydrogel Contact Lenses App 20180355112 - Zhang; Steve Yun ; et al. | 2018-12-13 |
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