YT

Yukio Takaoka

PE Pentax: 8 patents #212 of 761Top 30%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
📍 Asaka, JP: #84 of 378 inventorsTop 25%
Overall (All Time): #527,083 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5666580 Pseudo telephotographic camera and camera having pseudo telephotographic mode Takayuki Ito, Kazuki Yazawa 1997-09-09
5266992 Zoom lens camera having macro photographing function Shinsuke Kohmoto, Susao Nakamura, Katsuhiko Nozaki, Tetsuya Abe, Tadao Kato +1 more 1993-11-30
5233472 Method of controlling a zoom lens assembly Keisuke Haraguchi, Takayuki Ito, Tomoaki Kobayashi 1993-08-03
5170294 Method of controlling the zoom lens assembly Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Takayuki Ito, Tomoaki Kobayashi 1992-12-08
4863812 Battery receptacle Toshiaki Ueda, Katsuhiko Nomura 1989-09-05
4525046 Caseless camera Masaaki Morizumi, Norimichi Takahashi 1985-06-25
4486083 Exposure counter disc mechanism for cameras Jun Takada 1984-12-04
4365883 Focusing screen holding device Keisuke Haraguchi, Shiyouichi Yamaka 1982-12-28
4226521 Camera aperture controlling brake Masahiro Kawasaki 1980-10-07
4219262 Camera electrical self-timer Masahiro Kawasaki 1980-08-26