YK

Yasuhiro Kiyofuji

ER East Japan Railway: 1 patents #1 of 12Top 9%
HI Hitachi: 1 patents #427 of 1,326Top 35%
Overall (2017): #192,126 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9573489 Control device for railway power conditioner and control system for railway power conditioner Yasuhiro Nakatsuka, Yasuhiro Imazu, Osamu Sakuchi, Masaya Ichinose, Akira Bando +6 more 2017-02-21