Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D806412 | Stool | Michiaki Sugiki | 2018-01-02 |
| 6878284 | Method and apparatus of treating water containing a nitrogen compound | Brahim Messaoudi, Toshiyuki Kamiya, Junji Hirotsuji | 2005-04-12 |
| 6422247 | Pod and method of cleaning it | Noriaki Yoshikawa, Tadashi Yotsumoto, Terumi Muguruma, Yuichi Kuroda | 2002-07-23 |
| 6267123 | Pod and method of cleaning it | Noriaki Yoshikawa, Tadashi Yotsumoto, Terumi Muguruma, Yuichi Kuroda | 2001-07-31 |