Inventor
SAKAMOTO KATSUYA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO KATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA CORP
10 patentsUS7206276B2Apr 17, 2007
Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
KONICA CORP55 citations96
US7872959B2Jan 18, 2011
Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
KONICA CORP7 citations84
US7382709B2Jun 3, 2008
Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
KONICA CORP9 citations84
US7333416B2Feb 19, 2008
Optical pickup apparatus for recording or reproducing information for an optical information recording medium and objective lens for optical pickup apparatus
KONICA CORP11 citations84
US7483358B2Jan 27, 2009
Objective lens, optical element, optical pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
KONICA CORP7 citations74
US7102980B2Sep 5, 2006
Optical pickup apparatus and objective lens
KONICA CORP10 citations74
US7075880B2Jul 11, 2006
Optical pick-up device and objective lens used therein
KONICA CORP10 citations74
US7639589B2Dec 29, 2009
Optical pickup apparatus for recording or reproducing information for an optical information recording medium and objective lens for optical pickup apparatus
KONICA CORP2 citations63
US7126902B2Oct 24, 2006
Objective lens, optical pickup device and method for producing optical element for optical pickup device
KONICA CORP2 citations63
US7158467B2Jan 2, 2007
Optical pick-up apparatus and objective lens for the optical pick-up apparatus
KONICA CORP1 citations51
KONISHIROKU PHOTO IND
4 patentsUS6807139B2Oct 19, 2004
Objective lens and optical pickup apparatus
KONISHIROKU PHOTO IND27 citations92
US6636365B2Oct 21, 2003
Optical pickup apparatus and objective lens
KONISHIROKU PHOTO IND15 citations84
US6856471B2Feb 15, 2005
Objective optical element, optical pick-up apparatus, and optical information recording reproducing apparatus
KONISHIROKU PHOTO IND6 citations62
US6710939B2Mar 23, 2004
Objective lens for optical pick-up device and optical pick-up device
KONISHIROKU PHOTO IND1 citations51
KONICA MINOLTA OPTO INC
4 patentsUS7656774B2Feb 2, 2010
Objective lens, optical head, and optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations51
US7671312B2Mar 2, 2010
Optical pickup system, optical system, and optical information recording medium
KONICA MINOLTA OPTO INC0 citations41
US7558180B2Jul 7, 2009
Light source apparatus provided with beam shaping element and optical pick-up apparatus having the same
KONICA MINOLTA OPTO INC0 citations41
US7697392B2Apr 13, 2010
Optical pickup apparatus and optical information recording and/or reproducing apparatus
KONICA MINOLTA OPTO INC0 citations38