Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9786169 | On-vehicle information providing device, information providing center, and information providing system | Tomoyuki Zaitsu, Yasuhiro Tooyama | 2017-10-10 |
| 8983758 | Traffic information management device, traffic information management method, and traffic information management program | Tomoyuki Zaitsu, Shinji Kachi, Kenji Nagase, Tsuyoshi Iwata, Takahisa Ozaki +3 more | 2015-03-17 |
| 8744735 | Traffic information generating method, traffic information generating apparatus, display, navigation system, and electronic control unit | Tomoyuki Zaitsu, Shinichi Yamada, Kazutaka Yoshikawa | 2014-06-03 |
| 8600650 | Navigation devices, methods, and progrmas | Tomoyuki Zaitsu, Shinji Kachi, Kenji Nagase, Tsuyoshi Iwata, Kazunori Watanabe +1 more | 2013-12-03 |
| 8452530 | Navigation device that performs pathfinding in consideration of congestion information in plural areas using average speed in the plural areas | Kazutaka Yoshikawa, Tomoyuki Zaitsu | 2013-05-28 |
| 8103437 | Traffic information distribution apparatus and traffic information distribution method | Kenji Nagase, Takayasu Nakada, Kazutaka Yoshikawa | 2012-01-24 |