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Inventor
HIRUMA MITSUHIRO
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “HIRUMA MITSUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANYO ELECTRIC CO
1 patent
US7365296B2
Apr 29, 2008
Light reception output controlling apparatus of photo detector in optical pickup unit
SANYO ELECTRIC CO
4 citations
57
HIRUMA MITSUHIRO
1 patent
US8335136B2
Dec 18, 2012
Optical pickup apparatus
HIRUMA MITSUHIRO
0 citations
23
ASAKAWA CHIAKI
1 patent
US8310911B2
Nov 13, 2012
Optical pickup apparatus
ASAKAWA CHIAKI
0 citations
23