Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9967441 | Phase filter, imaging optical system, and imaging system | Kouichi Sakita, Mitsuhiko Oota | 2018-05-08 |
| 9915764 | Diffractive lens and optical device using the same | Hiroyuki Kajikawa | 2018-03-13 |