Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5246462 | Insert for identifying an implantable ceramic joint head | Jun Sugimoto | 1993-09-21 |
| 5092898 | Artificial joint | Kiyoshi Shinjo | 1992-03-03 |
| 5007932 | Artificial bone joint | Kazuo Kondo, Yoshimasa Shibata, Shigeo Niwa | 1991-04-16 |
| 4944758 | Artificial finger joint | Shigeo Niwa | 1990-07-31 |