Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7280915 | Navigation device and method of presenting information corresponding to travel course stage | Masaki Watanabe, Hirofumi Inoue, Toshiaki Takahashi, Okihiko Nakayama | 2007-10-09 |
| 7164987 | Map image display apparatus, map image display program, and map image display method | Masaki Watanabe, Okihiko Nakayama | 2007-01-16 |
| 7088266 | Map image display device | Masaki Watanabe, Okihiko Nakayama | 2006-08-08 |
| 7054723 | Information presentation controlling apparatus and method based on driver's mental fatigue | Toshiaki Takahashi, Yasuhide Yamamoto | 2006-05-30 |
| 6999874 | Navigation device and related method | Okihiko Nakayama, Masaki Watanabe | 2006-02-14 |
| 6658351 | Apparatus and method for delivering road map data to movable body | Masayuki Takada | 2003-12-02 |
| 6629035 | Navigation system for vehicle | Masayuki Takada, Takuo Ishiwaka | 2003-09-30 |
| 6292719 | Information system for vehicle | Toru Takagi, Naoki Honda | 2001-09-18 |