Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836729 | Method of and apparatus for detecting vehicle speed pulse drop, on-vehicle navigation system, program storage device and computer data signal embodied in carrier wave | Kazuaki Tanaka, Tatsuya Okamoto | 2004-12-28 |
| 6829525 | Movement condition computing device, method, and program, and recording medium recording said program, and navigation device | Kazuaki Tanaka, Isao Endo, Tatsuya Okamoto | 2004-12-07 |
| 6757631 | Method of and apparatus for detecting angular velocity, method of and apparatus for detecting angle, navigation system, program storage device, and computer data signal embodied in carrier wave | Isao Endo, Seiji Imada | 2004-06-29 |