ZO

Zenichi Okura

PE Pentax: 24 patents #63 of 761Top 9%
AK Asahi Kogaku Kogyo K.K.: 2 patents #47 of 180Top 30%
Overall (All Time): #156,626 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
5886836 Lens barrel having a cam mechanism Takamitsu Sasaki 1999-03-23
5579173 Focus adjusting apparatus of zoom lens Takuji Hamasaki 1996-11-26
5537262 Rotational torque setting apparatus for screw mechanism Nobuaki Aoki, Shinsuke Kohmoto, Hitoshi Tanaka, Kazuyoshi Azegami 1996-07-16
5510936 Apparatus for adjusting lens position Nobuaki Aoki, Shinsuke Kohmoto 1996-04-23
5461444 Lens holding structure Shinsuke Kohmoto 1995-10-24
5448414 Focus adjusting apparatus of zoom lens Takuji Hamasaki 1995-09-05
5446593 Lens advancing mechanism Takuji Hamasaki 1995-08-29
5270759 Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting 1993-12-14
5250971 Apparatus for stopping down diaphragm to an intermediate setting, upon setting diaphragm to a desired setting 1993-10-05
4951083 Camera with flexible-means guide structure Shinsuke Kohmoto 1990-08-21
4890133 Autofocus camera Ryota Ogawa, Shigeo Toji, Kazushi Yoshida 1989-12-26
4720167 Lens barrel with lens shutter 1988-01-19
4668047 Lens holding system 1987-05-26
4621918 Compensation for diaphragm control in SLR camera Masahiro Kawasaki, Fumio Urano 1986-11-11
4577952 Photographic camera having a diaphragm actuator with preliminary displacement for lens compensation Fumio Urano, Masahiro Kawasaki 1986-03-25
RE32049 Electrical contact arrangement for photographic camera with interchangeable lens Yasuyuki Haneishi, Shinsuke Kohmoto 1985-12-17
4505564 Rotation control mechanism for diaphram-operating ring in interchangeable objective for photographic camera Etsuro Nishio 1985-03-19
4477161 Compensator system for diaphragm control in a single-lens reflex camera of interchangeable lens type Masahiro Kawasaki, Fumio Urano 1984-10-16
4464040 Camera with diaphragm adjustment control Shinsuke Kohmoto 1984-08-07
4439029 Camera with information transmitting elements Shinsuke Kohmoto 1984-03-27
4416527 Apparatus of preventing bound of diaphragm blades in camera 1983-11-22
4395106 Compensation for diaphragm control in SLR camera Masahiro Kawasaki, Fumio Urano 1983-07-26
4367939 Automatic aperture presetting device 1983-01-11
4357089 Electrical contact arrangement for photographic camera with interchangeable lens Yasuyuki Haneishi, Shinsuke Kohmoto 1982-11-02
4272175 Automatic aperture control device 1981-06-09