AT

Akira Tsutsui

KS Kobe Steel: 5 patents #293 of 1,773Top 20%
KC Kobelco Construction Machinery Co.: 3 patents #130 of 422Top 35%
KC Kobelco Cranes Co.: 2 patents #18 of 55Top 35%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
NT Ntn: 1 patents #814 of 1,364Top 60%
TT The University Of Tokyo: 1 patents #1,000 of 2,633Top 40%
Overall (All Time): #625,096 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11293163 Hydraulic drive device for excavation work machines Toshihiro Nogi, Satoshi Maekawa, Sho FUJIWARA 2022-04-05
10355625 DC brushless motor and method for controlling the same Kenichi Inoue, Kyoji Zaitsu 2019-07-16
9000630 Motor including heat radiating resin Seiji Saiki, Kazushige Koiwai, Akira Nakazumi 2015-04-07
8511490 Slewing stop control apparatus and method for slewing type working machine Hiroaki Kawai, Koichi Shimomura 2013-08-20
8505292 Braking control apparatus for slewing type working machine Hiroaki Kawai, Takahiro Kobayashi, Koichi Shimomura 2013-08-13
8190334 Rotation control device and working machine therewith Masayuki Kagoshima, Masayuki Komiyama 2012-05-29
7421890 Tire HIL simulator Etsujiro Imanishi, Koichi Honke, Naoki Sugano, Takao Nanjo, Yoshihiro Suda 2008-09-09
5752775 Roller bearing Kimihiro Hanai, Yasuhiro Shimizu 1998-05-19