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Inventor
MASHIYAMA TOMIO
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “MASHIYAMA TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
2 patents
US7990834B2
Aug 2, 2011
Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording media
SHARP KK
3 citations
61
US5737297A
Apr 7, 1998
Optical head
SHARP KK
4 citations
61
CANON KK
1 patent
US4914621A
Apr 3, 1990
Document processing system
CANON KK
1 citations
44