MH

Masatsugu Hamasaki

KC Kobelco Construction Machinery Co.: 5 patents #78 of 422Top 20%
KS Kobe Steel: 2 patents #616 of 1,773Top 35%
Overall (All Time): #918,195 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12398535 Turning unit of construction machine Hidekazu Iwashita, Kenichi Terauchi, Takamasa Abe, Yoshiki Kamon 2025-08-26
9487930 Drive device for construction machine Koji Yamashita, Shoji Yoichi, Ryo Uchiyama 2016-11-08
9476498 Drive device for construction machine Koji Yamashita, Masashi Kawabata, Shoji Yoichi, Ryo Uchiyama 2016-10-25
9328817 Drive device for construction machine Koji Yamashita, Masashi Kawabata, Shoji Yoichi, Ryo Uchiyama 2016-05-03
8992368 Drive apparatus and construction machine provided with same Kenichi Terauchi 2015-03-31