Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578520 | Absorbent mat for excreta treatment | Kazuya Otsuji, Yasuki Tsutsumi, Hiromi Yamaguchi | 2003-06-17 |
| 6551687 | Wrapping films | Michihide Yamauchi, Haruo Sakahashi, Masamichi Senoo, Hiroshi Otsuka, Keiji Abe | 2003-04-22 |