Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6813577 | Speaker detecting device | Kazuya Tsukada | 2004-11-02 |
| 6717092 | Method of manufacturing treatment instrument of endoscope | Yoshihiro Obata, Kikuo Iwasaka, Shinichi Matsuno, Akira Sugiyama, Hidehito Kurosawa +2 more | 2004-04-06 |