TH

Tomoyuki Hamada

HC Hitachi Construction Machinery Co.: 3 patents #11 of 156Top 8%
📍 Ibaraki, JP: #61 of 712 inventorsTop 9%
Overall (2017): #56,480 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9829893 Operation management system for dump trucks Yukihiro Kawamata, Hiroto Morizane, Hidefumi Ishimoto 2017-11-28
9804606 Management control device Masaki Kanai, Manabu Katou, Takuya Naka, Masatsugu Arai 2017-10-31
9672743 Vehicle traffic control system Kazuhiro Sugawara, Katsuaki Tanaka, Masaki Kanai 2017-06-06