Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690750 | Cleaning method and cleaning apparatus | Yasutaka Imajo, Masahide Uchino | 1997-11-25 |
| 5593507 | Cleaning method and cleaning apparatus | Yasutaka Imajo, Masahide Uchino | 1997-01-14 |