RS

Ryuji Shiratani

SC Sumitomo Construction Machinery Co.: 3 patents #3 of 10Top 30%
SI Sumitomo Heavy Industries: 1 patents #21 of 68Top 35%
Overall (2016): #56,906 of 481,213Top 15%
3
Patents 2016

Issued Patents 2016

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9382691 Hybrid work machine and method of controlling same Koji Kawashima, Yuta Sugiyama, Hideto Magaki, Kiminori Sano 2016-07-05
9284717 Swivel control apparatus and method Takashi Umeda, Kiminori Sano 2016-03-15
9249556 Shovel and method for controlling shovel Hideto Magaki 2016-02-02