YO

Yasufumi Okumura

Kawasaki: 2 patents #48 of 324Top 15%
Sumitomo Electric Industries: 1 patents #231 of 571Top 45%
Overall (2018): #88,953 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10086850 Air spring Hirokazu Haraguchi, Takehiro Nishimura 2018-10-02
10053119 Plate spring cover and railcar bogie including plate spring cover Takehiro Nishimura, Shunichi Nakao, Shintaro ANDO 2018-08-21