Inventor
YOMOGIZAWA SHINYA
JP4 patents
Patents
4 patentsUS4779969AOct 25, 1988
Finding device of variable magnification
CANON KK36 citations91
US5172151ADec 15, 1992
Image pickup apparatus
CANON KK25 citations90
US5014077AMay 7, 1991
Camera with variable focal length optical system
CANON KK36 citations90
US4728977AMar 1, 1988
Device for protecting the photographic optical system of camera
CANON KK37 citations89