Inventor
ASOMA YOSHITO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “ASOMA YOSHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS6529454B1Mar 4, 2003
Integrated optical component, optical pickup, and optical disc device
SONY CORP25 citations92
US6459672B1Oct 1, 2002
Optical head and optical disc device
SONY CORP28 citations92
US7924684B2Apr 12, 2011
Object lens, optical pickup, and optical disc device
SONY CORP6 citations73
US6208596B1Mar 27, 2001
Optical pickup and optical disk unit
SONY CORP11 citations73
US5428596AJun 27, 1995
Optical pickup apparatus
SONY CORP11 citations73
US8666697B2Mar 4, 2014
Light condensing lens and three-dimensional distance measuring apparatus
SONY CORP2 citations62
US7986595B2Jul 26, 2011
Optical pickup and optical device for three different types of optical discs
SONY CORP2 citations62
US6434104B2Aug 13, 2002
Objective lens, optical pickup device and optical disk device
SONY CORP4 citations62
US6404721B1Jun 11, 2002
Optical head and optical disc device
SONY CORP2 citations62
US5461224AOct 24, 1995
Optical pick-up device having light splitting means and focus error and tracking error detection
SONY CORP2 citations62
US7535813B2May 19, 2009
Optical pickup and disc drive apparatus
SONY CORP0 citations41