Inventor
TASHIRO YOSHIYUKI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “TASHIRO YOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOYA CORP
6 patentsUS7839752B2Nov 23, 2010
Optical disc drive and objective lens for the same
HOYA CORP4 citations62
US7738345B2Jun 15, 2010
Optical disc drive and objective lens for the same
HOYA CORP5 citations62
US8004955B2Aug 23, 2011
Coupling lens and optical information recording/reproducing device having the same
HOYA CORP2 citations51
US7920444B2Apr 5, 2011
Assembling method for optical system of optical pick-up
HOYA CORP1 citations51
US7872958B2Jan 18, 2011
Optical information recording/reproducing device, optical element for the same, and design method of the same
HOYA CORP0 citations41
US7830772B2Nov 9, 2010
Objective optical system and optical information recording/reproducing device having the same
HOYA CORP0 citations41
MARUYAMA KOICHI
2 patentsUS8116187B2Feb 14, 2012
Design method of optical element and optical element through which a plurality of light beams having different design wavelengths pass
MARUYAMA KOICHI2 citations59
US8705331B2Apr 22, 2014
Optical element and objective lens through which a plurality of light beams having different design wavelengths pass
MARUYAMA KOICHI0 citations49