TM

Tatsuo Matsushima

KC Koyo Seiko Co.: 1 patents #363 of 749Top 50%
📍 Kanmaki, JP: #75 of 125 inventorsTop 60%
Overall (All Time): #3,605,789 of 4,157,543Top 90%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6020585 Optical rotary encoder having at least one zone plate Yuji Shimonaka, Yasuichi Fujimoto 2000-02-01