Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202684 | System of an aircraft collision avoidance system for suppressing useless alarms | — | 1993-04-13 |
| 5029092 | Device of suppressing incorrect alarms for use in a collision avoidance system installed in an airplane | — | 1991-07-02 |
| 4978945 | Alarm suppressing system in aircraft collision avoidance system | — | 1990-12-18 |
| 4853700 | Indicating system for warning airspace or threatening aircraft in aircraft collision avoidance system | Kazuyuki Kita | 1989-08-01 |
| RE32368 | Collision avoidance system for aircraft | Toshikiyo Hirata | 1987-03-10 |
| 4196434 | Surveillance system for collision avoidance of aircrafts using radar beacon | Toshikiyo Hirata | 1980-04-01 |