YH

Yasuo Hawai

MI Minolta: 6 patents #302 of 1,109Top 30%
MC Minolta Co.: 1 patents #942 of 1,416Top 70%
Overall (All Time): #765,209 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5699200 Lens assembly which zooms by combined movement of plural barrels Tetsuya Uno, Yoshifumi Harada, Daigo Yoshioka, Hiroaki Hasegawa 1997-12-16
5410380 Apparatus for feeding photographic film having two perforations per frame Kunio Kawamura, Sadafusa Tsuji, Shuji Izumi, Masaaki Chikasaki, Michihiro Iwata +1 more 1995-04-25
5357302 Apparatus for feeding photographic film having two perforations per frame Kunio Kawamura, Sadafusa Tsuji, Shuji Izumi, Masaaki Chikasaki, Michihiro Iwata +1 more 1994-10-18
5220370 Driving mechanism of camera and friction mechanism therefor Junichi Tanii 1993-06-15
5025239 Electromagnetic actuator for cameras and the like Nobuharu Murashima, Hideo Kajita, Toshihiko Ishimura, Akira Okuno, Junichi Tanii +1 more 1991-06-18
4699490 Diaphragm control device for cameras Akira Kataoka 1987-10-13
4692010 Depth-of-field preview apparatus for a single lens reflex camera Akira Kataoka, Hidehiko Fujii, Tetsuro Oya, Akihiko Fujino 1987-09-08