TO

Tomohiro OTSUKA

CC Central Japan Railway Comany: 1 patents #4 of 24Top 20%
KS Kobe Steel: 1 patents #48 of 163Top 30%
NS Nippon Steel: 1 patents #170 of 435Top 40%
Overall (2022): #102,496 of 548,613Top 20%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11505221 Floating caliper brake device for railroad vehicle Kousuke Sakaguchi, Kazuaki Fujita, Masanori Sawada, Hironori Yokota, Jun Asano +2 more 2022-11-22
11346332 Piston ring and compressor Naofumi Kanei, Hirotaka Ito, Hiroaki NII 2022-05-31