Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850711 | Film thickness-measuring apparatus using linearly polarized light | Takao Miyazaki, Yoshiro Yamada | 1989-07-25 |
| 4848912 | Apparatus for measuring a shape | Mitsuaki Uesugi, Masami Harayama, Yoshihiro Okuno, Hiroshi Matsunaga, Yoichi Matsuju | 1989-07-18 |