JK

Junichi Katurayama

📍 Yokkaichi, JP: #21 of 86 inventorsTop 25%
Overall (1989): #33,254 of 140,708Top 25%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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