SH

Seiji Hijikata

HC Hitachi Construction Machinery Co.: 7 patents #4 of 127Top 4%
📍 Tsukuba, JP: #3 of 319 inventorsTop 1%
Overall (2020): #16,986 of 565,922Top 4%
7
Patents 2020

Issued Patents 2020

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10801532 Work machine Yuichi Ogawa, Masatoshi Hoshino, Kiwamu Takahashi, Kouji Ishikawa 2020-10-13
10794044 Work machine hydraulic control system Yuichi Ogawa, Masatoshi Hoshino 2020-10-06
10787790 Work machine Shinya Imura 2020-09-29
10760246 Work machine Kouji Ishikawa, Shinya Imura 2020-09-01
10584722 Hydraulic fluid energy regeneration apparatus of work machine Kouji Ishikawa, Takatoshi Ooki, Shinya Imura 2020-03-10
10526767 Construction machine Kouji Ishikawa, Shinya Imura 2020-01-07
10526768 Hydraulic energy regeneration system for work machine Kouji Ishikawa, Shinya Imura 2020-01-07