KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 4 patents #10 of 155Top 7%
MC Murata Manufacturing Co.: 1 patents #338 of 894Top 40%
Overall (2021): #30,819 of 548,734Top 6%
5
Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11196405 Electronic component and method of manufacturing the same Akio Katsube, Takehito Ishihara, Takeshi Ono 2021-12-07
11149753 Hydraulic energy recovery apparatus for working machine Kiwamu Takahashi, Seiji Hijikata, Masatoshi Hoshino, Yuichi Ogawa 2021-10-19
11066808 Work machine Hiroki Takeuchi, Shiho Izumi, Shuuichi MEGURIYA, Tarou AKITA 2021-07-20
10995475 Construction machine Seiji Hijikata, Yasutaka Tsuruga, Kiwamu Takahashi, Masatoshi Hoshino 2021-05-04
10907666 Hydraulic drive system Seiji Hijikata, Yasutaka Tsuruga, Kenji Hiraku 2021-02-02