Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806435 | Small hole electric discharge machine drill provided with depth-specific processing means | Tomoshige Ishiwata, Shigeharu Yokomichi | 2004-10-19 |
| 6741356 | Method for detecting physical amount of object and optical apparatus using the same | Toyohiko Yatagai, Masahide Itoh | 2004-05-25 |