JK

Junichi Katurayama

📍 Yokkaichi, JP: #1,376 of 2,072 inventorsTop 70%
Overall (All Time): #3,921,582 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4807294 Piezoelectric and foam resin sheet speaker Yoichi Iwata, Nubuo Tanaka 1989-02-21