KH

Keisuke Haraguchi

PE Pentax: 4 patents #3 of 50Top 6%
Overall (1982): #1,981 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4365883 Focusing screen holding device Yukio Takaoka, Shiyouichi Yamaka 1982-12-28
4342508 Mirror operating mechanism in single-lens reflex camera 1982-08-03
4314747 Light shielding device for automatic focus detecting Harumi Aoki 1982-02-09
4311376 Mirror operating mechanism for single-lens reflex camera 1982-01-19