Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8945195 | Small bowel endoscope of ileus tube type that enables laser inspection and therapy | Kiyoshi Oka, Takashi Tsumanuma, Kenichi Nakatate, Junji Yoshino, Takao Wakabayashi | 2015-02-03 |
| 8189976 | Endoscope system | Takashi Tsumanuma, Keiji Kaneda, Kenichi Nakatate | 2012-05-29 |
| 7813607 | Optical fiber bundle unit for transmitting ultraviolet light | Ken-ichi Nakatate, Manabu Kudoh, Katsuyuki Seto, Takashi Tsumanuma | 2010-10-12 |
| 7582057 | Endoscopic system using an extremely fine composite optical fiber | Takashi Tsumanuma, Kenichi Nakatate, Takashi Ishii, Kiyoshi Oka, Toshio Osaki +1 more | 2009-09-01 |
| 6892012 | Optical fiber bundle unit for transmitting ultraviolet light | Ken-ichi Nakatate, Manabu Kudoh, Katsuyuki Seto, Takashi Tsumanuma | 2005-05-10 |
| 6296256 | Airtight adapter and a replacement method therefor | Kazunobu Endo, Tsutomu Kurita, Yoshiyuki Kato | 2001-10-02 |