Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476393 | Surface state monitoring method and apparatus | Haruo Yoshida, Michio Niwano, Nobuo Miyamoto, Yasuhiro Maeda | 2002-11-05 |
| 6433339 | Surface state monitoring method and apparatus | Yasuhiro Maeda, Haruo Yoshida | 2002-08-13 |