YN

Yasutsugu Nakagawa

KC Konishiroku Photo Industry Co.: 6 patents #151 of 894Top 20%
KO Konica: 1 patents #1,290 of 1,958Top 70%
📍 Hamura, JP: #72 of 277 inventorsTop 30%
Overall (All Time): #768,382 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4903060 Film feeding device of the camera Yasushi Hoshino, Hiroyuki Horiuchi 1990-02-20
4497563 Programmed automatic exposure control Kohji Matsushima, Michio Yagi 1985-02-05
4458997 Single lens reflex camera equipped with mirror elevation detector and sequence control Kazuhisa Aratame, Saburo Yoneyama, Kunio Nakajima 1984-07-10
4297019 Automatic film feeding apparatus for photographic camera Michio Yagi, Kunio Nakajima, Sizuo Ishii, Kazuhisa Aratame 1981-10-27
4274726 Automatic film winder for camera Saburo Yoneyama, Minoru Yamada, Shizuo Ishii, Masao Kamio 1981-06-23
4218121 Automatic aperture driving mechanism Michio Yagi 1980-08-19
4204759 Camera with built-in motor Minoru Yamada 1980-05-27