Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830747 | Filter apparatus for removing plankton | Misao Kubota, Osamu Sugai, Kenji Shimada, Toshiaki Yamaguchi, Kikuo Koizumi | 1989-05-16 |
| 4795889 | Automatic bill refilling method for bill recycle module using customer sensor | Nobuhiko Matuura, Kunio Usijima | 1989-01-03 |