SH

Seiji Hijikata

HC Hitachi Construction Machinery Co.: 5 patents #4 of 97Top 5%
📍 Tsukuba, JP: #9 of 312 inventorsTop 3%
Overall (2018): #24,442 of 503,207Top 5%
5
Patents 2018

Issued Patents 2018

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10161108 Hydraulic fluid energy recovery system for work Kouji Ishikawa, Takatoshi Ooki, Shinya Imura 2018-12-25
10066368 Hydraulic fluid energy recovery apparatus for work machine Hidetoshi Satake, Shinya Imura, Shinji Nishikawa 2018-09-04
10030361 Construction machine Kouji Ishikawa, Takatoshi Ooki, Shinya Imura 2018-07-24
9926950 Hydraulic system for construction machinery Takatoshi Ooki, Kouji Ishikawa 2018-03-27
9926951 Energy regeneration system for construction machine Takatoshi Ooki 2018-03-27