YT

Yukio Torikai

NC New Japan Radio Co.: 1 patents #28 of 101Top 30%
Overall (All Time): #3,551,370 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6420821 Cathode for magnetron Kiyoshi Kishiki, Toshihiko Yamashita, Hideyuki Obata 2002-07-16