Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169105 | Flexible tube for an endoscope | Kikuo Iwasaka, Tadashi Kasai, Masaru Takeshige, Akira Sugiyama, Keiji Kunii +1 more | 2007-01-30 |
| 6860849 | Flexible tube for an endoscope | Minoru Matsushita, Kikuo Iwasaka, Tadashi Kasai | 2005-03-01 |
| 6717092 | Method of manufacturing treatment instrument of endoscope | Yoshihiro Obata, Kikuo Iwasaka, Shinichi Matsuno, Hajime Yoshino, Akira Sugiyama +2 more | 2004-04-06 |
| 6520214 | Flexible tube for endoscope | Akira Sugiyama, Tadashi Kasai, Masanao Abe, Minoru Matsushita, Shinji Hayakawa +4 more | 2003-02-18 |