Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7155767 | Scrub cleaning device, scrub cleaning method, and manufacturing method of information recording medium | Hiroshi Kouno | 2007-01-02 |
| 6620257 | Scrub cleaning method for substrate and manufacturing method for information recording medium | Hiroshi Kouno | 2003-09-16 |