SA

Seiichi Akiyama

SM Shin Caterpillar Mitsubishi: 2 patents #38 of 184Top 25%
Caterpillar: 2 patents #2,982 of 8,398Top 40%
Overall (All Time): #1,213,707 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9109346 Hydraulic swing-controlling apparatus of work machine Tetsuya Yoshino, Yuya Kanenawa 2015-08-18
8899035 Hydraulic control apparatus for work machine Hiroyasu Nishikawa, Yusuke Shimizu, Atsunobu Doi, Sei Shimahara, Manabu Nakanishi +1 more 2014-12-02
6810663 Fluid pressure circuit control system Hideo Konishi, Masayuki Tanaka 2004-11-02
6672055 Hydraulic pump control device Hideo Konishi, Kenji Arai, Masumi Nomura 2004-01-06