MD

Motokuni Demura

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
Overall (All Time): #1,657,394 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5249013 Distance measuring device of camera Takashi Hongoh, Keiichi Ikebe, Yoshio Nakamura, Daisuke Kishida 1993-09-28
5200602 Distance measuring device of camera Keiichi Ikebe, Takashi Hongoh 1993-04-06
4945368 Camera with built-in electronic flash Tokio Ishino, Atsushi Sato 1990-07-31