SA

Seigo Arai

KS Kobe Steel: 3 patents #309 of 2,031Top 20%
KC Kobelco Construction Machinery Co.: 2 patents #167 of 422Top 40%
Overall (All Time): #1,036,141 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7134518 Construction machine Takashi Tsukiana, Koichi Yamashita, Kazuhiro Ueda, Hiroaki Iwamitsu 2006-11-14
6282892 Pump controller for construction machine 2001-09-04
5941155 Hydraulic motor control system Susumu Ohmori, Naoki Sugano 1999-08-24
5896930 Control system in hydraulic construction machine 1999-04-27
5813312 Hydraulic control apparatus Takahiro Kobayashi 1998-09-29