Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5874926 | Matching circuit and antenna apparatus | Teruhisa Tsuru, Harufumi Mandai, Toshifumi Oida | 1999-02-23 |
| 5539647 | Vehicle navigation system using GPS including correction of coefficients for velocity sensor | Akihito Shibata, Hiroaki Tsuji | 1996-07-23 |
| 5483457 | Vehicle navigation system using GPS including correction of coefficients for velocity sensor | Akihito Shibata, Hiroaki Tsuji | 1996-01-09 |