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Youhachi Yamashita

TO Toshiba: 1 patents #91 of 500Top 20%
Overall (1982): #21,632 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4321155 Piezoelectric oxide material Katsunori Yokoyama, Tadashi Ido, Seiichi Yoshida 1982-03-23