YK

Youichi Kumano

Bridgestone: 4 patents #601 of 2,860Top 25%
Overall (All Time): #1,169,492 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10717481 Elastic crawler and elastic crawler device 2020-07-21
10435090 Elastic crawler 2019-10-08
6039405 Segment mounted on vehicle wheel or endless rubber track Tomoyuki Kurata, Kazuya Takahashi 2000-03-21
5902017 Segment mounted on vehicle wheel or endless rubber track Tomoyuki Kurata, Kazuya Takahashi 1999-05-11