TH

Takeshi Hagihara

Sumitomo Electric Industries: 67 patents #86 of 21,551Top 1%
AT Autonetworks Technologies: 64 patents #8 of 1,079Top 1%
SS Sumitomo Wiring Systems: 64 patents #14 of 2,615Top 1%
TO Toyota: 19 patents #1,244 of 26,838Top 5%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
📍 Yokkaichi, JP: #28 of 2,072 inventorsTop 2%
Overall (All Time): #30,481 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
11558404 On-board communication system, switching device, verification method, and verification program Darmawan GO, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2023-01-17
11516294 Switch device, monitoring method and monitoring program Akihito Iwata, Yasuhiro Yabuuchi 2022-11-29
11502873 Switch device, vehicle-mounted communication device, vehicle-mounted communication system, time correction method, and time correction program Akihito Iwata, Yasuhiro Yabuuchi 2022-11-15
11444939 Authentication control device, authentication control method, and authentication control program Akihiro Ogawa, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2022-09-13
11425032 Switching device, communication control method and communication control program Hayato Shikata, Hirofumi URAYAMA, Hideki Maeda, Yasuhiro Yabuuchi 2022-08-23
11374787 Switch device, communication control method, and communication control program Akihito Iwata, Hideyuki Tanaka, Hideki Maeda, Tatsuya Izumi, Yasuhiro Yabuuchi +4 more 2022-06-28
11373464 Vehicle-mounted communications device, log collection method, and log collection program Akihiro Ogawa, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2022-06-28
11343347 Relay device, relay method, and computer program Yuanjun Xian, Makoto Mashita, Ichiro Kanda, Akihito Iwata, Takehiro Kawauchi 2022-05-24
11342960 Relay device, relay method, and computer program Yuanjun Xian, Makoto Mashita, Akihito Iwata, Takehiro Kawauchi, Ichiro Kanda 2022-05-24
11260808 On-board communication device, on-board communication system, communication control method, and communication control program Takehiro Kawauchi, Akihito Iwata, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2022-03-01
11196702 In-vehicle communication device, and communication control method Akihiro Ogawa, Hideki Maeda, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2021-12-07
11171808 Switch device, communication control method, and recording medium Akihiro Ogawa, Hirofumi URAYAMA, Koichi Takayama, Yasuhiro Yabuuchi 2021-11-09
11152973 Communication apparatus Makoto Mashita, Yuanjun Xian, Nobuyuki Kobayashi, Akihito Iwata, Takehiro Kawauchi +1 more 2021-10-19
11134024 Communication control device, switching device, out-of vehicle communication device, communication control method and communication control program Akihiro Ogawa, Akihito Iwata, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2021-09-28
11128711 In-vehicle communication system, gateway, switching device and communication control method Darmawan GO, Hirofumi URAYAMA, Yoshihisa Nagamura, Yasuhiro Yabuuchi 2021-09-21
11102218 Relay device, detection method, and detection program Darmawan GO, Hirofumi URAYAMA, Yasuhiro Yabuuchi 2021-08-24
11075856 Switch device and communication control method Yuya Tanaka, Akihito Iwata, Yasuhiro Yabuuchi 2021-07-27
11063908 On-vehicle communication device, communication control method, and communication control program Darmawan GO, Hideki Maeda, Yasuhiro Yabuuchi, Yasuhiro Yamasaki, Hiroya Ando +2 more 2021-07-13
11007875 Communication device, charge communication system, transportation apparatus and fault diagnosis method Yuichi Kodama, Ryo Okada, Kazuhiko Nii, Koji Saotome, Shuta Fukuda 2021-05-18
10965493 On-vehicle communication system, on-vehicle device and communication control method Akihito Iwata, Yasuhiro Yabuuchi 2021-03-30
10938596 Switch device, communication control method and communication control program Akihiro Ogawa, Akihito Iwata, Hirofumi URAYAMA, Yashuhiro Yabuuchi 2021-03-02
10892913 Gateway, on-vehicle communication system, communication control method and recording medium Akihito Iwata, Hirofumi URAYAMA, Akihiro Ogawa, Yasuhiro Yabuuchi 2021-01-12
10862703 In-vehicle communication system, switch device, and communication control method Akihiro Ogawa, Hirofumi URAYAMA, Koichi Takayama, Yasuhiro Yabuuchi 2020-12-08
10826720 Switching device and determination method Akihito Iwata, Hirofumi URAYAMA, Akihiro Ogawa, Yasuhiro Yabuuchi 2020-11-03
10812290 On-vehicle communication system, switching device and on-vehicle communication method Akihito Iwata, Hirofumi URAYAMA, Akihiro Ogawa, Yasuhiro Yabuuchi 2020-10-20