Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287297 | Magnetic direction finder with correcting circuit | Yasuhiro Ihara, Yoshiki Ueyama | 1994-02-15 |
| 5276626 | Direction finding method and apparatus for correcting magnetization of a vehicle | Yasuhiro Ihara | 1994-01-04 |