Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11808606 | Runway landing alert system and method | Yasuo Ishihara, Steve Johnson, James Ehlers, Esko Mannisto | 2023-11-07 |
| 11549821 | Runway landing alert system and method | Yasuo Ishihara, Steve Johnson, James Ehlers, Esko Mannisto | 2023-01-10 |
| 10739161 | Runway landing alert system and method | Yasuo Ishihara, Steve Johnson, James Ehlers, Esko Mannisto | 2020-08-11 |
| 6584384 | Device, method and computer program product for altimetry system | Scott R. Gremmert, Steven C. Johnson | 2003-06-24 |
| 6507289 | Apparatus and method of checking radio altitude reasonableness | Steven C. Johnson | 2003-01-14 |