KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 13 patents #1 of 127Top 1%
Overall (2020): #5,189 of 565,922Top 1%
13
Patents 2020

Issued Patents 2020

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
10858804 Work machine Hiroki Takeuchi, Shiho Izumi, Shuuichi MEGURIYA, Tarou AKITA 2020-12-08
10801532 Work machine Yuichi Ogawa, Seiji Hijikata, Masatoshi Hoshino, Kiwamu Takahashi 2020-10-13
10801187 Work machine Shiho Izumi, Ryuu Narikawa, Daito Sakai, Takahiko Kurose 2020-10-13
10794046 Work machine Shinya Imura, Hiroshi Sakamoto, Yasuhiko Kanari 2020-10-06
10774502 Work machine Daito Sakai, Shiho Izumi, Ryuu Narikawa 2020-09-15
10760245 Drive control device for construction machine Yuuichirou Morita, Manabu Edamura 2020-09-01
10760246 Work machine Seiji Hijikata, Shinya Imura 2020-09-01
10626578 Work machine Shiho Izumi, Ryuu Narikawa, Shuuichi MEGURIYA, Tarou AKITA 2020-04-21
10584722 Hydraulic fluid energy regeneration apparatus of work machine Seiji Hijikata, Takatoshi Ooki, Shinya Imura 2020-03-10
10563378 Hydraulic system for work machines Hidekazu Moriki, Shinya Imura, Shiho Izumi, Hiroaki AMANO 2020-02-18
10557251 Work machine Shinya Imura, Shinji Nishikawa, Manabu Edamura, Masatoshi Hoshino, Shinji Ishihara 2020-02-11
10526768 Hydraulic energy regeneration system for work machine Seiji Hijikata, Shinya Imura 2020-01-07
10526767 Construction machine Seiji Hijikata, Shinya Imura 2020-01-07