KO

Keiji Ohtaka

Canon: 3 patents #393 of 2,554Top 20%
Overall (2003): #26,928 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6594085 Image display apparatus and optical system Takashi Sudo 2003-07-15
6577344 Focus state detection apparatus with image sensing device controls Terutake Kadohara, Yasuo Suda, Keiji Nagata, Kenichiro Yamashita 2003-06-10
6506446 Anti-fog coating material and method of preparing an anti-fog article Tohru Yamamoto, Shigeo Yoshida, Hatsumi Ikari, Keiji Ikemori, Hideo Ukuda 2003-01-14