KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 17 patents #2 of 136Top 2%
TI Toyota Industries: 1 patents #70 of 214Top 35%
Overall (2019): #2,833 of 560,194Top 1%
17
Patents 2019

Issued Patents 2019

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
10480442 Working machine and working machine monitoring system Shinya Sato, Masatoshi Hoshino, Shinji Ishihara 2019-11-19
10472804 Hydraulic control system of construction machine Ryohei Yamashita, Shinya Imura, Hidekazu Moriki, Hiroaki AMANO 2019-11-12
10443215 Construction machine management system Shinya Sato, Kentarou Itoga, Masatoshi Hoshino 2019-10-15
10436229 Hydraulic drive system for work machine Seiji Hijikata, Shinya Imura 2019-10-08
10400426 Hydraulic control system for construction machine Ryohei Yamashita, Shinya Imura, Hidekazu Moriki 2019-09-03
10364550 Hydraulic drive system of work machine Hiroaki AMANO, Shinya Imura, Hidekazu Moriki, Ryohei Yamashita, Seiji Hijikata 2019-07-30
10344458 Hydraulic Drive System for work machine Seiji Hijikata, Shinya Imura 2019-07-09
10330128 Hydraulic control system for work machine Hidekazu Moriki, Shinya Imura, Tsutomu Udagawa, Ryohei Yamashita 2019-06-25
10309079 Hydraulic control system for work machine Hidekazu Moriki, Shinya Imura, Ryohei Yamashita 2019-06-04
10302028 Work machine, power unit, and diesel engine of work machine Manabu Edamura, Yuusuke Kajita, Masatoshi Hoshino, Kentarou Itoga, Naoki Ishikawa +1 more 2019-05-28
10301793 Hydraulic drive system for work machine Seiji Hijikata, Takatoshi Ooki, Shinya Imura 2019-05-28
10280594 Hydraulic energy regeneration system for work machine Seiji Hijikata, Shinya Imura 2019-05-07
10280593 Hydraulic fluid energy regeneration device for work machine Seiji Hijikata, Takatoshi Ooki, Shinya Imura 2019-05-07
10273658 Construction machine Seiji Hijikata, Yasutaka Tsuruga, Masatoshi Hoshino, Kiwamu Takahashi 2019-04-30
10253479 Hydraulic system for work machine Tomoaki Kaneta, Hidetoshi Satake, Shinya Imura 2019-04-09
10227997 Hydraulic drive system for work machine Seiji Hijikata, Shinya Imura 2019-03-12
10221871 Construction machinery Shinya Imura, Hidetoshi Satake, Seiji Hijikata, Takatoshi Ooki, Shinji Nishikawa 2019-03-05