Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931755 | Surface-acoustic-wave device with a capacitance coupled between input and output | Ou Huor | 1990-06-05 |
| 4817041 | Electronic cash register with change discharger | — | 1989-03-28 |
| 4688174 | Electronic cash register | — | 1987-08-18 |
| 4649357 | Surface-acoustic-wave filter | Kiyoshi Nagai | 1987-03-10 |
| 4406964 | Acoustic surface wave transducer with improved inband frequency characteristics | Takao Chiba, Kenji Kohro | 1983-09-27 |
| 4360872 | Electronic cash register system | Yasuo Suzuki | 1982-11-23 |