Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12285215 | Systems and methods for measurement of optical workpieces | Chunyu Zhao | 2025-04-29 |
| 12053240 | Systems and methods for measurement of optical wavefronts | Chunyu Zhao | 2024-08-06 |
| 11774236 | Alignment of a measurement optical system and a sample under test | — | 2023-10-03 |
| 9302367 | Non-newtonian lap | Dae Wook Kim | 2016-04-05 |
| 9068904 | System and method for non-contact metrology of surfaces | Robert E. Parks, Robert A. Smythe, Peng Su, Roger P Angel | 2015-06-30 |
| 7072042 | Apparatus for and method of measurement of aspheric surfaces using hologram and concave surface | Tae Hee Kim | 2006-07-04 |
| 6983667 | Impact micro-positioning actuator | Brian Cuerden, J. Roger P. Angel, Scott DeRigne | 2006-01-10 |
| 5737079 | System and method for interferometric measurement of aspheric surfaces utilizing test plate provided with computer-generated hologram | David S. Anderson | 1998-04-07 |