TH

Takashi Hongoh

Ricoh Company: 4 patents #4,167 of 9,818Top 45%
Overall (All Time): #1,296,029 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5249013 Distance measuring device of camera Motokuni Demura, Keiichi Ikebe, Yoshio Nakamura, Daisuke Kishida 1993-09-28
5200602 Distance measuring device of camera Keiichi Ikebe, Motokuni Demura 1993-04-06
4908648 Distance measuring device for automatic focusing camera Kosaku Sawabe 1990-03-13
4866468 Control device for driving zoom lens of a camera Keiji Himuro, Kenji Koyama 1989-09-12