MT

Mitsuhiko Tokuda

ON Onkyo: 1 patents #80 of 170Top 50%
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Patent #TitleCo-InventorsDate
11277684 Diffuser Norimasa Kitagawa, Yoshinori Nakanishi, Ryuta Shigematsu, Koichi Sadaie, Yoshitada TAKESHIMA 2022-03-15