HO

Harumi Ogawa

NK Nippon Kogaku K.K.: 1 patents #221 of 382Top 60%
NK Nittoh Kogaku K.K.: 1 patents #21 of 32Top 70%
📍 Chino, JP: #169 of 297 inventorsTop 60%
Overall (All Time): #1,581,022 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7355573 Residual image display 2008-04-08
6449437 Light emitting and receiving circuit, camera and optical device 2002-09-10
4525049 Motor driving device of a camera Fumito Obikawa, Toshio Koyama, Yoshiaki Otsubo, Hiroshi Wakabayashi, Tadashi Otani 1985-06-25