Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577498 | Semi-closed type breathing apparatus for removing carbon dioxide from breathing air circuit having triangularly shaped bellows | Akihiko Yoshida, Yasushi Yoshida, Kyoichi Fujimori, Hitoshi Sugimoto, Akihiko Yatsunami +1 more | 1996-11-26 |