HI

Hisao Iwanade

PE Pentax: 18 patents #94 of 761Top 15%
AK Asahi Kogaku Kabushiki Kaisha: 1 patents #9 of 73Top 15%
AK Asahi Kogaku Kogyo K.K.: 1 patents #76 of 180Top 45%
Overall (All Time): #226,384 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
6122112 Lens position adjusting method for zoom lens Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 2000-09-19
6055378 Motor-driven auto-focusing system Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 2000-04-25
6051949 Apparatus for driving stepping motor of camera Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 2000-04-18
RE36632 Automatic original feeding device 2000-03-28
6040677 Apparatus for driving stepper motor of camera Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 2000-03-21
6014523 Time-sharing drive apparatus for motor of camera Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 2000-01-11
5966550 Automatic focusing apparatus in a camera Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-10-12
5940223 Drive apparatus for zoom lens barrel Tatsuya Yoshida, Noboru Saitoh, Koji Sato, Sukenori Shiba, Masahiro Oono +1 more 1999-08-17
5930053 Drive apparatus for zoom lens barrel Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-07-27
5926324 Motor driven diaphragm apparatus for lens barrel Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-07-20
5886831 Drive apparatus for zoom lens barrel Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-03-23
5886830 Drive apparatus for zoom lens barrel Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-03-23
5860031 Zoom electronic camera Masahiro Oono, Noboru Saitoh, Koji Sato, Sukenori Shiba, Tatsuya Yoshida +1 more 1999-01-12
5194970 Automatic original feeding device 1993-03-16
4868835 Energy modulatable laser unit 1989-09-19
4557593 Focus and magnification determining and control device for variable magnification type copying machine 1985-12-10
4446526 Control circuit for zooming device 1984-05-01
4436416 Mirror scanning control mechanism in variable magnification type copying machine Ikuo Negoro 1984-03-13
4420248 Variable magnification copying device Ryota Ogawa, Ikuo Negoro, Yasunori Arai 1983-12-13
4412737 Position detecting device for a zoom lens of a copying machine Ikuo Negoro 1983-11-01