HA

Harumi Aoki

PE Pentax: 75 patents #5 of 761Top 1%
AK Asahi Kogaku Kogyo K.K.: 6 patents #8 of 180Top 5%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
PE Pentax: 2 patents #187 of 396Top 50%
AK Asashi Kogaku Kogyo Kabushiki Kaisha: 1 patents #2 of 11Top 20%
📍 Kiyose, JP: #1 of 104 inventorsTop 1%
Overall (All Time): #18,083 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 76–90 of 90 patents

Patent #TitleCo-InventorsDate
4329032 Automatic focus indicating device for camera Yoshio Sawada 1982-05-11
4326127 Focus detecting device Yoshio Sawada 1982-04-20
4320946 Camera focus detecting device Katsuhiko Miyata, Yoshio Sawada 1982-03-23
4319813 Automatic focus indicating device for camera Yoshio Sawada 1982-03-16
4314747 Light shielding device for automatic focus detecting Keisuke Haraguchi 1982-02-09
4313657 Display device for focus detecting and indicating device for camera Seijiro Tokutomi, Masao Jyojiki, Kazuo Nakamura 1982-02-02
4300826 Focus indicating device for camera Katsuhiko Miyata, Koji Suzuki 1981-11-17
4298259 Focus detecting device for photographic camera Yoshio Sawada 1981-11-03
4297014 Camera focus detecting device Kazuo Nakamura, Masao Jyojiki 1981-10-27
4293206 Electrically operated automatic focalizing camera Seijiro Tokutomi, Masao Jyojiki, Kazuo Nakamura, Koichiro Watanabe 1981-10-06
4293207 Camera focus detecting device Masahiro Kawasaki, Yoshio Sawada 1981-10-06
4286850 Automatic focus indicating device for camera 1981-09-01
4264160 Focus indicating device in a camera 1981-04-28
4255028 Focus detecting device in camera 1981-03-10
4252425 Camera focus detecting device Yoshio Sawada 1981-02-24