RS

Ryuji Shiratani

SC Sumitomo Construction Machinery Co.: 23 patents #3 of 89Top 4%
SI Sumitomo Heavy Industries: 1 patents #424 of 917Top 50%
Overall (All Time): #178,403 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
12428805 Shovel Youji Misaki 2025-09-30
12385219 Shovel Hiroyuki Kurokawa, Hajime ARAGAKI 2025-08-12
12378751 Shovel Kiminori Sano 2025-08-05
12286769 Work machine and assist device to assist in work with work machine Daisuke Kitajima, Hajime ARAGAKI 2025-04-29
12173479 Shovel, display device for shovel, and control device for shovel Hajime ARAGAKI, Tomoki KUROKAWA 2024-12-24
12116751 Shovel Tomoki KUROKAWA 2024-10-15
12018460 Excavator Kiminori Sano 2024-06-25
11879589 Shovel Hiroyuki Kurokawa, Hajime ARAGAKI 2024-01-23
11761168 Shovel Hiroyuki Kurokawa, Hajime ARAGAKI 2023-09-19
11746497 Shovel Hajime ARAGAKI, Masaaki Yamamoto 2023-09-05
11186964 Shovel Kouichiro Tomita, Hajime ARAGAKI 2021-11-30
10106955 Turning control apparatus Hideto Magaki, Minoru Okuyama, Masaaki Yamamoto 2018-10-23
10053835 Shovel Hideto Magaki, Kiminori Sano 2018-08-21
9995318 Hybrid shovel and hybrid shovel control method Hideto Magaki, Kiminori Sano 2018-06-12
9650761 Shovel and method of controlling shovel Hideto Magaki 2017-05-16
9593466 Hydraulic shovel and method of controlling hydraulic shovel Hideto Magaki, Jitsutaka Takeo 2017-03-14
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
9127434 Electrical swivel working machine Kiminori Sano, Ryota Kurosawa 2015-09-08
8972122 Shovel and method for controlling shovel Hideto Magaki 2015-03-03
8924064 Shovel and method of controlling shovel Hideto Magaki 2014-12-30
8775033 Shovel and method of controlling shovel Hideto Magaki, Jitsutaka Takeo 2014-07-08