YT

Yukio Takaoka

PE Pentax: 1 patents #19 of 50Top 40%
📍 Asaka, JP: #26 of 52 inventorsTop 50%
Overall (1982): #21,350 of 81,411Top 30%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4365883 Focusing screen holding device Keisuke Haraguchi, Shiyouichi Yamaka 1982-12-28