Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4679147 | Navigation system with capability of instructing running direction | Yoji Matsuoka, Takanori Shibata, Akira Endo, Hiroshi Shirai | 1987-07-07 |
| 4638438 | Navigation apparatus for automotive | Akira Endo, Jiro Takezaki, Takanori Shibata | 1987-01-20 |
| 4635202 | Navigation apparatus for automobile | Yoji Matsuoka, Akira Endo, Jiro Takezaki, Hiroshi Shirai | 1987-01-06 |