Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
TI

Tatsuya Izumi

AT Autonetworks Technologies: 9 patents #4 of 221Top 2%
Sumitomo Electric Industries: 9 patents #5 of 538Top 1%
SS Sumitomo Wiring Systems: 9 patents #7 of 366Top 2%
MC Murata Manufacturing Co.: 1 patents #354 of 930Top 40%
TO Toyota: 1 patents #1,126 of 3,229Top 35%
Overall (2025): #5,655 of 469,880Top 2%
10
Patents 2025

Issued Patents 2025

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
12425266 Communication device, communication system, and communication method Nobuyuki Kobayashi, Makoto Mashita, Masakatsu Moriguchi, Takeshi Hagihara, Ryo Yamane +1 more 2025-09-23
12375345 Relay device, vehicle communication system, vehicle, communication method, and communication program Yojiro SUYAMA, Hideyuki Tanaka, Yusuke Yamamoto, Takeshi Hagihara, Darmawan GO +1 more 2025-07-29
12367028 On-board device, information processing method, and computer program product Kentaro Ashibe, Ichiro Kanda 2025-07-22
12362965 Relay device, vehicle, communication method, and communication program Yusuke Yamamoto, Hideyuki Tanaka, Yojiro SUYAMA, Takeshi Hagihara, Darmawan GO 2025-07-15
12325369 In-vehicle management device and management method Tomohiro OTSU, Takeshi Hagihara, Hirofumi URAYAMA, Darmawan GO, Yoshitaka KIKUCHI +3 more 2025-06-10
12278865 Relay device, in-vehicle communication system, vehicle, and in-vehicle communication method Yusuke Yamamoto, Hideyuki Tanaka, Takeshi Hagihara, Darmawan GO 2025-04-15
12278051 Multilayer ceramic capacitor Yuu Mikami 2025-04-15
12269400 Relay device, in-vehicle communication system, in-vehicle communication method, and storage medium Yusuke Yamamoto, Hideyuki Tanaka, Takeshi Hagihara, Darmawan GO 2025-04-08
12255958 On-board relay device, information processing method, and program Darmawan GO, Hideki Maeda, Takeshi Hagihara, Yosuke Shimizu, Hirofumi URAYAMA +4 more 2025-03-18
12236723 Management device, in-vehicle system, vehicle, communication management method and storage medium Kenta OGATA, Yusuke Yamamoto, Yojiro SUYAMA, Hideyuki Tanaka, Junji Yano +1 more 2025-02-25