Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825855 | Map display method in navigation system and navigation apparatus | Atsushi Maeda, Shigeaki Asano, Atsushi Watanabe | 2004-11-30 |
| 6440185 | Resinoid grinding wheel | Akira Nagata | 2002-08-27 |
| 6407664 | System and method for monitoring vehicle | Takashi Sadahiro, Masahiro Shimizu, Michiyasu Nounen, Mikio Araki, Yusuke Hara | 2002-06-18 |
| 5862510 | Navigation device | Ikuo Saga, Masako Ohta, Kazuhiro Yokouchi | 1999-01-19 |
| 5831552 | Traffic information display unit | Toshio Sogawa, Katsuji Doi, Katsuro Hayami, Toshiyuki Matsuo, Ikuo Saga | 1998-11-03 |