KK

Kazushige Koiwai

KC Kobelco Construction Machinery Co.: 3 patents #2 of 55Top 4%
KS Kobe Steel: 1 patents #117 of 301Top 40%
Overall (2017): #71,739 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9758945 Upper slewing body of construction machine Seiji Saiki, Seiichi Onishi 2017-09-12
9664107 Driving device for hybrid working machine Seiji Saiki, Yoichiro Yamazaki 2017-05-30
9624647 Slewing-type working machine Koji Yamashita, Masayuki Komiyama, Koji Ueda, Kengo Maeda 2017-04-18