YI

Yuji Ishii

Kubota: 1 patents #75 of 242Top 35%
MC Mitsui Chemicals: 1 patents #43 of 170Top 30%
Overall (2020): #102,858 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10607091 Off-road vehicle and ground management system Kazuyoshi Kawamoto, Akira Tominaga 2020-03-31
10570572 Railroad rail track pad composition and railroad rail track pad Tatsuya Sakai, Kiyohide INOMATA, Kotaro Ichino 2020-02-25