Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646236 | Hot plate unit | Jo SAITO, Yasutaka Ito | 2003-11-11 |
| 6639191 | Hot plate unit | Jo SAITO, Yasutaka Ito | 2003-10-28 |
| 6635853 | Hot plate unit | Jo SAITO | 2003-10-21 |
| 6511575 | Treatment apparatus and method utilizing negative hydrogen ion | Haruo Shindo, Hideo Kitagawa | 2003-01-28 |