Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867561 | Apparatus for optically detecting an extraneous matter on a translucent shield | Tetsuo Fujii, Hirohito Shioya, Tiaki Mizuno, Yasuaki Makino, Yoshimi Yoshino +1 more | 1989-09-19 |