YO

Yoshiyasu Oba

TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
Overall (All Time): #3,947,092 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4726525 Vibrating element for ultrasonic injection Yoshiaki Yonekawa, Yoshinobu Nakamura 1988-02-23