Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624895 | Method and apparatus for measuring aspherical shape and method for manufacturing optical element using them | Sei Moriyasu, Junichi Kato, Yutaka Yamagata, Hitoshi Ohmori | 2003-09-23 |
| 6539642 | Probe type shape measuring sensor, and NC processing equipment and shape measuring method using the sensor | Sei Moriyasu, Yutaka Yamagata, Hitoshi Ohmori | 2003-04-01 |
| 6537138 | Method of grinding an axially asymmetric aspherical mirror | Hitoshi Ohmori, Yutaka Yamagata, Sei Moriyasu, Katsuhiko Kada, Hidetaka Kira +2 more | 2003-03-25 |