Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12419990 | Ophthalmic viscoelastic compositions | Madhu Ayyagari, Erning Xia, Bill Reindel | 2025-09-23 |
| 10130733 | Peroxide contact lens care solution | Erning Xia, Suzanne F. Groemminger, Jenilee Kilbury | 2018-11-20 |
| 9011932 | Contact lens care system with peroxide | — | 2015-04-21 |
| 8932646 | Peroxide contact lens care solution | Erning Xia, Suzanne F. Groemminger, Jenilee Kilbury | 2015-01-13 |
| 7632794 | Lens care solutions comprising alkyldimonium hydroxypropyl alkylglucosides | Erning Xia, Srini Venkatesh | 2009-12-15 |