Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858157 | Apparatus and method for determining the coordinates of a three-dimensional object | Shunji Murai, Hitoshi Ohtani | 1989-08-15 |
| 4820264 | Infusion instrument | Mizuo Matsui, Koji Sato, Yoshihiro Takahashi | 1989-04-11 |
| 4803645 | Method and apparatus for measuring coordinates | Hitoshi Otani | 1989-02-07 |