AK

Akihiro Koyanagi

CC Central Japan Railway Comany: 1 patents #126 of 313Top 45%
Overall (All Time): #4,156,048 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
10516345 Power conversion controller for electric train Ken Kunomura, Kenji Sato 2019-12-24