KN

Kazuo Nakagawa

Canon: 3 patents #393 of 2,554Top 20%
Overall (2003): #27,326 of 273,478Top 10%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6642998 Measuring device 2003-11-04
6611663 Camera having variable magnification where light distribution angle and field angle are unchangeable during focusing 2003-08-26
6519418 Camera capable of varying luminous intensity distribution angle of flash device 2003-02-11