MJ

Masao Jyojiki

PE Pentax: 3 patents #7 of 50Top 15%
Overall (1982): #4,016 of 81,411Top 5%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4352545 Camera focus detecting device Naoyuki Uno, Harumi Aoki 1982-10-05
4349254 Camera focus detecting device Harumi Aoki 1982-09-14
4313657 Display device for focus detecting and indicating device for camera Seijiro Tokutomi, Kazuo Nakamura, Harumi Aoki 1982-02-02