Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8744735 | Traffic information generating method, traffic information generating apparatus, display, navigation system, and electronic control unit | Toshio Inoguchi, Tomoyuki Zaitsu, Shinichi Yamada | 2014-06-03 |
| 8515665 | On-board vehicle navigation device and program | — | 2013-08-20 |
| 8452530 | Navigation device that performs pathfinding in consideration of congestion information in plural areas using average speed in the plural areas | Toshio Inoguchi, Tomoyuki Zaitsu | 2013-05-28 |
| 8433504 | Traffic information generation method, traffic information generation device, and navigation system | Teruhide Hayashida, Tomoyuki Zaitsu, Kenji Nagase, Hiroki Ishikawa | 2013-04-30 |
| 8255145 | Travel time calculation server, a travel time calculating apparatus used for a vehicle and a travel time calculation system | Kenichi Murata, Tomoyuki Zaitsu, Kenji Nagase, Hiroki Ishikawa | 2012-08-28 |
| 8103437 | Traffic information distribution apparatus and traffic information distribution method | Kenji Nagase, Takayasu Nakada, Toshio Inoguchi | 2012-01-24 |
| 7660663 | Traffic information transmitting apparatus, transmitting method, and transmitting program | Hiroki Ishikawa | 2010-02-09 |
| 7657370 | Navigation apparatus, navigation system, and navigation search method | Kenji Nagase | 2010-02-02 |
| 7525451 | Navigation systems, methods, and programs | Kenji Nagase, Toshiaki Minami, Hiroshi Tomita | 2009-04-28 |
| 7440843 | Car traffic information notification system, car traffic information notification method, and navigation system | Kenji Nagase, Hiroki Ishikawa, Tomoyuki Zaitsu, Daisuke Doi | 2008-10-21 |
| 7421335 | Navigation system and method | Kenji Nagase, Masao Kawai | 2008-09-02 |
| 7219012 | Navigation systems, methods, and programs | Kenji Nagase, Hiroshi Tomita | 2007-05-15 |
| 6922629 | Traffic information retrieval method, traffic information retrieval system, mobile communication device, and network navigation center | Masaki Nakamura, Katsuhiko Mutsuga, Hiroki Ishikawa | 2005-07-26 |