Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915864 | Cutter structure for shield machine | Hiroyuki Itou, Yuuichi Asai, Osamu Takagi, Kazuo Takamizawa, Fumio Kondou | 2005-07-12 |
| 6698844 | Earth discharging device for upward-facing shield machine | Hiroyuki Itou, Yuuichi Asai, Osamu Takagi, Kazuo Takamizawa, Fumio Kondou | 2004-03-02 |
| 4925445 | Guide wire for catheter | Kenjiro Uematsu, Masashi Momota, Susumu Tanabe, Tatsuo Suzuki, Toshihiko Endo | 1990-05-15 |