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Yoshio Yuyama

U- U-Shin: 1 patents #29 of 73Top 40%
Overall (All Time): #3,725,316 of 4,157,543Top 90%
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Patent #TitleCo-InventorsDate
5669843 Actuator Brian Bolton, Katsutoshi Akutagawa, Hiromi Matsuura 1997-09-23