Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8026175 | Cleaning apparatus of semiconductor substrate and method of manufacturing semiconductor device | — | 2011-09-27 |
| 7997349 | Beach cleaner | Shokichi Arai, Hidekazu Sakai, Tetsuro Hosoda, Akito Hiramatsu | 2011-08-16 |