KU

Ken Utagawa

NK Nippon Kogaku K.K.: 5 patents #2 of 82Top 3%
Overall (1982): #1,085 of 81,411Top 2%
5
Patents 1982

Issued Patents 1982

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4340819 Photoelectric element array with automatic control of the charge storage time Akira Ogasawara, Hiroshi Shirasu 1982-07-20
4339665 Apparatus for detecting displacement of optical image Hiroshi Shirasu 1982-07-13
4336450 Focus detecting apparatus Akira Ogasawara, Hiroshi Shirasu, Kunihisa Hoshino 1982-06-22
4322616 Focus detecting device with shielding Toru Fukuhara 1982-03-30
4319238 Camera display device Akira Ogasawara, Kunihisa Hoshino, Hiroshi Shirasu 1982-03-09