Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047946 | Aircraft navigational system and method for guiding an aircraft along intersecting airways | Siamak H. Ghaffari, David S. Yotsuuye | 1991-09-10 |
| 4825374 | Aircraft descent guide system and method for creating descent guidance information | Robert C. Kircher, Jr., David S. Yotsuuye | 1989-04-25 |
| 4792906 | Navigational apparatus and methods for displaying aircraft position with respect to a selected vertical flight path profile | David S. Yotsuuye, Robert C. Kircher, Jr., Mohammed R. Radfar | 1988-12-20 |
| 4692869 | Aircraft navigational systems and methods for creating navigational guidepoints | Robert C. Kircher, Jr., David S. Yotsuuye | 1987-09-08 |