YK

Yoichi Kotanshi

NS Nippon Soken: 1 patents #23 of 70Top 35%
📍 Ebeye: #84 of 344 inventorsTop 25%
Overall (1989): #40,886 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845399 Laminated piezoelectric transducer Eturo Yasuda, Hiroshi Matsuoka, Hiroyuki Yoshida, Yasushi Sawada 1989-07-04