RA

Ryozo Akiyama

KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
Overall (All Time): #3,843,579 of 4,157,543Top 95%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5087299 Vibration-proof tungsten wire Mikiharu Fukuchi, Yasuhiko Nakano, Keisuke Hayashi, Isamu Koseki, Masami Ito 1992-02-11