Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867561 | Apparatus for optically detecting an extraneous matter on a translucent shield | Tetsuo Fujii, Hirohito Shioya, Tiaki Mizuno, Tadashi Kamada, Yasuaki Makino +1 more | 1989-09-19 |
| 4835509 | Noncontact potentiometer | Toshikazu Arasuna, Kenichi Ao, Katsuhiko Ariga, Toshikazu Matsushita, Ichiro Izawa | 1989-05-30 |