Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402070 | Bone-mill | Noriyuki Ishida, Akihiro Ookura, Tatsuo Oosugi, Nobuo Oka, Kazutoshi Koyama | 2002-06-11 |
| 6190417 | Femoral prosthesis device | Moritoshi Itoman, Kiyoshi Mabuchi, Noriyuki Ishida, Masaru Ueno | 2001-02-20 |