Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7688431 | Dispersion demonstrator for eyewear lenses | Thomas Balch, John Michael Tamkin, Nancy L. S. Yamasaki | 2010-03-30 |
| 7326373 | Method for forming a wafer for use in an optical part | Thomas Balch | 2008-02-05 |
| 7238307 | Method for pre-conditioning inserts for injection molding | Andrew John McKenzie, Ahmad A. Barzak, Nancy L. S. Yamasaki | 2007-07-03 |