Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6562244 | Method and apparatus for disinfecting drainage | Kazuhiro Hasegawa, Kazunari Tanaka, Yuichi Fuchu, Yutaka Niida, Hideyuki Yoshida +5 more | 2003-05-13 |
| 4826805 | Gas absorber | Akira Fukunaga, Hidenobu Arimitsu, Toshihiko Shiota | 1989-05-02 |