Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32985 | Credit transaction processing system | Toshiaki Inoue, Mamoru Hirayama | 1989-07-11 |
| 4821573 | Ultrasonic method of inspecting contents of a package and apparatus thereof | Tsugio Kaneoka, Shigeki Imano, Hitoshi Matumoto | 1989-04-18 |