Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882782 | Safety apparatus for detecting an abnormality of power control element | Junichi Kimizuka, Yukihide Ushio, Kaoru Seto, Toshihiko Inuyama | 1989-11-21 |
| 4853740 | Recording apparatus capable of multiple recording on one or both sides of a sheet | Yukihide Ushio, Hiroshi Hashimoto, Kaoru Seto, Toshio Yoshimoto | 1989-08-01 |