Inventor
OOUCHIDA SHIGERU
JP9 patents
⚠️ This page may combine multiple inventors who share the name “OOUCHIDA SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
3 patentsUS7940628B2May 10, 2011
Multilayer optical information recording medium, optical head, and optical drive
RICOH CO LTD2 citations61
US8369700B2Feb 5, 2013
Distance measurement and photometry device, and imaging apparatus
RICOH CO LTD3 citations60
US7881178B2Feb 1, 2011
Optical information recording medium, optical information recording/reproducing system, and optical information recording/reproducing apparatus
RICOH CO LTD4 citations60