EI

Eiji Ichikawa

HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
HS Hitachi Automotive Systems: 3 patents #507 of 1,636Top 35%
📍 Hitachinaka, JP: #618 of 2,447 inventorsTop 30%
Overall (All Time): #607,600 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12426217 Electronic control device Ryujo Sugahara, Hideyuki Sakamoto, Daisuke Tanaka, Hidetatsu YAMAMOTO, Michihito Watarai +1 more 2025-09-23
12177992 Electronic control device with electromagnetic compatibility for vehicle control Toshiyuki Fujimasa, Masao Horie, Masashi Saito, Hiroi Nambu, Tomokazu Tanase 2024-12-24
11757336 Electronic control device Tetsurou Tateyama, Kumiko Yoshinaga, Hirofumi Watanabe, Mototaka Takahashi 2023-09-12
11444516 Electronic control device Tetsurou Tateyama, Kumiko Yoshinaga, Hirofumi Watanabe, Mototaka Takahashi 2022-09-13
11419208 Electronic circuit board and electronic circuit device Kumiko Yoshinaga, Hirofumi Watanabe, Mototaka Takahashi 2022-08-16
9480189 Electronic control apparatus Yoshio Kawai, Hironori Ohhashi, Yuuichi YANAGISAWA, Kumiko Yoshinaga 2016-10-25
9295175 Seal structure for electronic control device 2016-03-22
8797742 Electronic controller for vehicle Yoshio Kawai, Takayuki Fukuzawa 2014-08-05