Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5333020 | Sprocket wheel for advancing film and device for advancing film using said sprocket wheel | Yutaka Tokue | 1994-07-26 |
| 5282289 | Scrubber apparatus for cleaning a thin disk work | Fumihiko Hasegawa, Hideo Kudo, Masayuki Yamada, Isao Uchiyama | 1994-02-01 |