Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657181 | Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals | Hidejiro Kadowaki, Yasushi Kaneda, Shigeki Kato, Takayuki Kadoshima, Sakae Horyu | 2003-12-02 |
| 6618218 | Displacement detecting apparatus and information recording apparatus | Hidejiro Kadowaki, Yasushi Kaneda, Shigeki Kato, Takayuki Kadoshima, Sakae Horyu | 2003-09-09 |
| 6570660 | Measuring instrument | Takayuki Kadoshima | 2003-05-27 |