Inventor

KOTAKA YOSHIRO

JP3 patents

Patents

3 patents

US4636041AJan 13, 1987

Aperture device for zoom lens

NIPPON KOGAKU KK17 citations71

US4610517ASep 9, 1986

Clamp for lens hood

NIPPON KOGAKU KK17 citations71

US4196997AApr 8, 1980

Interchangeable lens for a camera

NIPPON KOGAKU KK12 citations71