Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12355597 | Communicator and communication device | Makoto Mashita, Akira MIYAJO, Masakatsu Moriguchi, Takeshi Hagihara | 2025-07-08 |
| 12325369 | In-vehicle management device and management method | Tomohiro OTSU, Takeshi Hagihara, Darmawan GO, Yoshitaka KIKUCHI, Hideki Maeda +3 more | 2025-06-10 |
| 12255958 | On-board relay device, information processing method, and program | Darmawan GO, Hideki Maeda, Takeshi Hagihara, Yosuke Shimizu, Tatsuya Izumi +4 more | 2025-03-18 |
| 12021658 | Switch device, in-vehicle communication system, and communication method | Akihito Iwata, Tatsuya Izumi, Tadashi Matsumoto, Hideki Maeda, Darmawan GO +5 more | 2024-06-25 |
| 11962433 | Switch device, in-vehicle communication system, and communication method | Akihito Iwata, Tatsuya Izumi, Tadashi Matsumoto, Darmawan GO, Hideki Maeda +5 more | 2024-04-16 |
| 11938897 | On-vehicle device, management method, and management program | Akihiro Ogawa, Takeshi Hagihara, Yasuhiro Yabuuchi | 2024-03-26 |
| 11637803 | Switch device and communication control method | Hayato Shikata, Hideki Maeda, Yasuhiro Yabuuchi, Takeshi Hagihara | 2023-04-25 |
| 11558404 | On-board communication system, switching device, verification method, and verification program | Darmawan GO, Takeshi Hagihara, Yasuhiro Yabuuchi | 2023-01-17 |
| 11444939 | Authentication control device, authentication control method, and authentication control program | Akihiro Ogawa, Takeshi Hagihara, Yasuhiro Yabuuchi | 2022-09-13 |
| 11425032 | Switching device, communication control method and communication control program | Hayato Shikata, Hideki Maeda, Yasuhiro Yabuuchi, Takeshi Hagihara | 2022-08-23 |
| 11373464 | Vehicle-mounted communications device, log collection method, and log collection program | Akihiro Ogawa, Takeshi Hagihara, Yasuhiro Yabuuchi | 2022-06-28 |
| 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 |
| 11340891 | Control device, control method, and computer program | Akihiro Ogawa, Tatsuya Izumi, Takayuki Nakano | 2022-05-24 |
| 11288156 | Control apparatus, control method, and computer program | Akihiro Ogawa | 2022-03-29 |
| 11260808 | On-board communication device, on-board communication system, communication control method, and communication control program | Takehiro Kawauchi, Akihito Iwata, Takeshi Hagihara, Yasuhiro Yabuuchi | 2022-03-01 |
| 11196702 | In-vehicle communication device, and communication control method | Akihiro Ogawa, Hideki Maeda, Takeshi Hagihara, Yasuhiro Yabuuchi | 2021-12-07 |
| 11171808 | Switch device, communication control method, and recording medium | Akihiro Ogawa, Koichi Takayama, Takeshi Hagihara, Yasuhiro Yabuuchi | 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, Takeshi Hagihara, Yasuhiro Yabuuchi | 2021-09-28 |
| 11128711 | In-vehicle communication system, gateway, switching device and communication control method | Darmawan GO, Yoshihisa Nagamura, Takeshi Hagihara, Yasuhiro Yabuuchi | 2021-09-21 |
| 11102218 | Relay device, detection method, and detection program | Darmawan GO, Takeshi Hagihara, Yasuhiro Yabuuchi | 2021-08-24 |
| 11063908 | On-vehicle communication device, communication control method, and communication control program | Darmawan GO, Hideki Maeda, Takeshi Hagihara, Yasuhiro Yabuuchi, Yasuhiro Yamasaki +2 more | 2021-07-13 |
| 10938596 | Switch device, communication control method and communication control program | Akihiro Ogawa, Akihito Iwata, Takeshi Hagihara, Yashuhiro Yabuuchi | 2021-03-02 |
| 10892913 | Gateway, on-vehicle communication system, communication control method and recording medium | Akihito Iwata, Akihiro Ogawa, Takeshi Hagihara, Yasuhiro Yabuuchi | 2021-01-12 |
| 10862703 | In-vehicle communication system, switch device, and communication control method | Akihiro Ogawa, Koichi Takayama, Takeshi Hagihara, Yasuhiro Yabuuchi | 2020-12-08 |
| 10826720 | Switching device and determination method | Akihito Iwata, Akihiro Ogawa, Takeshi Hagihara, Yasuhiro Yabuuchi | 2020-11-03 |