Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11069155 | Toll collection system, position measurement method, and program | Hiroyuki Nakayama, Kazuumi Kondo, Takashi Maeda | 2021-07-20 |
| 10909774 | Communication control device, toll collection system, communication control method, and program | Hiroyuki Nakayama, Shigehiro Hishikawa, Takashi Maeda | 2021-02-02 |
| 10557914 | Radio wave arrival angle detection device, vehicle detection system, radio wave arrival angle detection method, and vehicle erroneous detection prevention method | Kenji Iizuka, Masatoshi Tominaga, Kazuyoshi Kitajima | 2020-02-11 |
| 10269186 | Communication region defining method, toll collection system, and program | Hiroyuki Nakayama, Takashi Maeda | 2019-04-23 |