Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065722 | Laser processing apparatus and laser processing method | — | 2021-07-20 |
| 10322467 | Position detecting device and laser processing device | — | 2019-06-18 |
| 9685355 | Laser dicing device and dicing method | — | 2017-06-20 |
| 4999509 | Optical measuring device of film thickness | Yorio Wada | 1991-03-12 |
| 4999508 | Optical film thickness measuring device for measuring two-layer film thicknesses using spectral reflectance | — | 1991-03-12 |
| 4831276 | Apparatus for measuring reflectivity | — | 1989-05-16 |
| 4232945 | Photographic camera lens system having a short total length | — | 1980-11-11 |
| 4192579 | Behind-stop type lens system for photographic cameras | — | 1980-03-11 |