RY

Ryouhei Yamashita

HC Hitachi Construction Machinery Co.: 4 patents #303 of 1,234Top 25%
IC Iida Denki Kogyo Co.: 3 patents #2 of 17Top 15%
ZK Zama Japan Kabushiki Kaisha: 3 patents #14 of 30Top 50%
📍 Tsuchiura, JP: #106 of 519 inventorsTop 25%
Overall (All Time): #725,565 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10458097 Hybrid work machine Hiroaki AMANO, Shinya Imura, Shinji Ishihara, Shinji Nishikawa, Masafumi HITA 2019-10-29
10316866 Construction machine Hiroaki AMANO, Shinya Imura, Shinji Nishikawa 2019-06-11
10030355 Hydraulic control system for construction machine Shinya Imura 2018-07-24
9188066 Speed reduction method for hand-carried engine-driven working machine Akira Yamazaki, Tamotsu Saitou, Hideki Watanabe, Takumi Nonaka 2015-11-17
9175456 Hydraulic control device for working vehicle Takeshi Kobayashi, Hiroshi Matsuzaki, Yoshinobu Kobayashi, Katsumi Ueno, Masaaki Andou 2015-11-03
9115670 Fuel control method for hand-carried engine-driven working machine Akira Yamazaki, Tamotsu Saitou, Hideki Watanabe, Takumi Nonaka 2015-08-25
9062621 Fuel control method for handheld engine operating machine Akira Yamazaki, Tamotsu Saitou, Hideki Watanabe, Takumi Nonaka 2015-06-23