Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694214 | Surface inspection method and apparatus | Tetsuya Watanabe, Yoshio Morishige | 1997-12-02 |
| 5644393 | Extraneous substance inspection method and apparatus | Tetsuya Watanabe, Yoshio Morishige | 1997-07-01 |