SM

Shigeru Mitsu

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,311,784 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5148212 Flash control based on calculated required flash energy Yoshio Serikawa, Susumu Iguchi, Akira Ueno, Hiroshi Takeda, Kenji Koyama +2 more 1992-09-15
4937602 Control device for driving zoom lens of camera Keiji Himuro 1990-06-26