Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12395840 | Relay device and vehicle communication method | Yojiro SUYAMA, Darmawan GO, Yosuke Shimizu, Takeshi Hagihara | 2025-08-19 |
| 12367075 | In-vehicle device, vehicle management system, resource management method, and resource management program for allocation of computing recourses based on a usage state | Kenta OGATA, Takeshi Hagihara, Darmawan GO | 2025-07-22 |
| 12266225 | On-vehicle communication system, switch device, communication control method, and communication control program | Takehiro Kawauchi, Akihito Iwata, Takeshi Hagihara, Yuanjun Xian, Makoto Mashita | 2025-04-01 |
| 12199875 | Communication device, transmission method, and computer program | Yuanjun Xian, Takeshi Hagihara, Makoto Mashita, Tadashi Matsumoto, Ichiro Kanda +2 more | 2025-01-14 |
| 12075463 | Management device, communication system, vehicle, vehicle communication management method, and vehicle communication management program | Yusuke Yamamoto, Hideyuki Tanaka, Tatsuya Izumi, Junji Yano, Tadashi Matsumoto +1 more | 2024-08-27 |
| 11956314 | Management device, vehicle communication system, vehicle, vehicle communication management method, and vehicle communication management program | Yusuke Yamamoto, Koichi Takayama, Hideyuki Tanaka, Tatsuya Izumi, Junji Yano +2 more | 2024-04-09 |
| 11938897 | On-vehicle device, management method, and management program | Akihiro Ogawa, Hirofumi URAYAMA, Takeshi Hagihara | 2024-03-26 |
| 11683268 | Switch device, communication control method and recording medium | Akihito Iwata, Takeshi Hagihara | 2023-06-20 |
| 11637803 | Switch device and communication control method | Hayato Shikata, Hirofumi URAYAMA, Hideki Maeda, Takeshi Hagihara | 2023-04-25 |
| 11558404 | On-board communication system, switching device, verification method, and verification program | Darmawan GO, Hirofumi URAYAMA, Takeshi Hagihara | 2023-01-17 |
| 11516294 | Switch device, monitoring method and monitoring program | Akihito Iwata, Takeshi Hagihara | 2022-11-29 |
| 11502873 | Switch device, vehicle-mounted communication device, vehicle-mounted communication system, time correction method, and time correction program | Akihito Iwata, Takeshi Hagihara | 2022-11-15 |
| 11444939 | Authentication control device, authentication control method, and authentication control program | Akihiro Ogawa, Hirofumi URAYAMA, Takeshi Hagihara | 2022-09-13 |
| 11425032 | Switching device, communication control method and communication control program | Hayato Shikata, Hirofumi URAYAMA, Hideki Maeda, Takeshi Hagihara | 2022-08-23 |
| 11374787 | Switch device, communication control method, and communication control program | Akihito Iwata, Hideyuki Tanaka, Hideki Maeda, Tatsuya Izumi, Takeshi Hagihara +4 more | 2022-06-28 |
| 11373464 | Vehicle-mounted communications device, log collection method, and log collection program | Akihiro Ogawa, Hirofumi URAYAMA, Takeshi Hagihara | 2022-06-28 |
| 11260808 | On-board communication device, on-board communication system, communication control method, and communication control program | Takehiro Kawauchi, Akihito Iwata, Hirofumi URAYAMA, Takeshi Hagihara | 2022-03-01 |
| 11223934 | Road-vehicle communication system, roadside communication apparatus, in-vehicle communication apparatus, and road-vehicle communication method | Yuichi Kodama | 2022-01-11 |
| 11196702 | In-vehicle communication device, and communication control method | Akihiro Ogawa, Hideki Maeda, Hirofumi URAYAMA, Takeshi Hagihara | 2021-12-07 |
| 11171808 | Switch device, communication control method, and recording medium | Akihiro Ogawa, Hirofumi URAYAMA, Koichi Takayama, Takeshi Hagihara | 2021-11-09 |
| 11134024 | Communication control device, switching device, out-of vehicle communication device, communication control method and communication control program | Akihiro Ogawa, Akihito Iwata, Hirofumi URAYAMA, Takeshi Hagihara | 2021-09-28 |
| 11128711 | In-vehicle communication system, gateway, switching device and communication control method | Darmawan GO, Hirofumi URAYAMA, Yoshihisa Nagamura, Takeshi Hagihara | 2021-09-21 |
| 11102218 | Relay device, detection method, and detection program | Darmawan GO, Hirofumi URAYAMA, Takeshi Hagihara | 2021-08-24 |
| 11075856 | Switch device and communication control method | Yuya Tanaka, Akihito Iwata, Takeshi Hagihara | 2021-07-27 |
| 11063908 | On-vehicle communication device, communication control method, and communication control program | Darmawan GO, Hideki Maeda, Takeshi Hagihara, Yasuhiro Yamasaki, Hiroya Ando +2 more | 2021-07-13 |