TU

Toshifumi Usui

HI Hitachi: 5 patents #117 of 3,771Top 4%
HC Hitachi Car Engineering Co.: 5 patents #3 of 145Top 3%
📍 Hitachinaka, JP: #8 of 319 inventorsTop 3%
Overall (2004): #6,898 of 270,089Top 3%
5
Patents 2004

Issued Patents 2004

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6701892 Throttle valve control apparatus of internal combustion engine and automobile using the same Eisuke Wayama, Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito 2004-03-09
6694947 Throttle apparatus for an internal combustion engine Eisuke Wayama, Shigeru Tokumoto, Yasuo Saito 2004-02-24
6691678 Throttle assembly for internal combustion engine, and throttle sensor Yoshikatsu Hashimoto, Shigeru Tokumoto, Yasuo Saito, Eisuke Wayama 2004-02-17
6691681 Throttle apparatus for an internal combustion engine Eisuke Wayama, Shigeru Tokumoto, Yasuo Saito 2004-02-17
6684850 Electric-control-type throttle apparatus Takehiko Kowatari, Yuzo Kadomukai, Shigeru Tokumoto, Yasuo Saito, Masaru Ito 2004-02-03