Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493957 | Ball step gauge | Toshiyuki Takatsuji, Sonko Osawa, Tomizo Kurosawa | 2002-12-17 |
| 6359741 | Adjusting device for attitude and position of optical elements | Toshiyuki Takatsuji, Sonko Osawa, Tomizo Kurosawa | 2002-03-19 |