YI

Yutaka Iizuka

NK Nippon Kogaku K.K.: 3 patents #8 of 82Top 10%
Overall (1982): #2,608 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4357086 Focus detecting optical device of a single lens reflex camera Jun Shimomura, Hideo Ikeda 1982-11-02
4348090 Inverted Galilean finder 1982-09-07
4348091 Indicator device in an inverted Galilean finder 1982-09-07