Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623424 | Flexible tube for an endoscope and electronic endoscope equipped with the flexible tube | Shinji Hayakawa, Akira Sugiyama, Masaru Takeshige | 2003-09-23 |
| 6520214 | Flexible tube for endoscope | Akira Sugiyama, Masanao Abe, Minoru Matsushita, Hideo Nanba, Shinji Hayakawa +4 more | 2003-02-18 |