Inventor
IKENAKA KIYONO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “IKENAKA KIYONO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA OPTO INC
19 patentsUS7668066B2Feb 23, 2010
Optical pickup apparatus
KONICA MINOLTA OPTO INC8 citations84
US7304935B2Dec 4, 2007
Optical pickup device and correcting element used in the optical pickup device
KONICA MINOLTA OPTO INC4 citations63
US7289415B2Oct 30, 2007
Optical pick-up apparatus and divergent angle-converting element
KONICA MINOLTA OPTO INC5 citations63
US7636291B2Dec 22, 2009
Optical pickup apparatus
KONICA MINOLTA OPTO INC2 citations62
US7426170B2Sep 16, 2008
Objective lens and optical pickup apparatus for reproducing and/or recording information for at least two types of optical discs
KONICA MINOLTA OPTO INC3 citations62
US7269119B2Sep 11, 2007
Optical pick-up apparatus
KONICA MINOLTA OPTO INC3 citations62
US7050236B2May 23, 2006
Diffractive optical element and optical pickup apparatus
KONICA MINOLTA OPTO INC4 citations62
US7903528B2Mar 8, 2011
Optical pick-up apparatus
KONICA MINOLTA OPTO INC1 citations52
US7957231B2Jun 7, 2011
Optical pickup apparatus and objective optical element
KONICA MINOLTA OPTO INC0 citations51
US7889618B2Feb 15, 2011
Objective optical element and optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations51
US7821904B2Oct 26, 2010
Optical pickup apparatus and objective optical element
KONICA MINOLTA OPTO INC0 citations51
US7724634B2May 25, 2010
Optical pickup apparatus with temperature compensation
KONICA MINOLTA OPTO INC1 citations51
US7710848B2May 4, 2010
Optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations41
US7710847B2May 4, 2010
Optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations41
US7706237B2Apr 27, 2010
Objective lens and optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations41
US7525879B2Apr 28, 2009
Objective optical element and optical pickup apparatus
KONICA MINOLTA OPTO INC0 citations41
US7498550B2Mar 3, 2009
Optical pickup apparatus which records and/or reproduces information using different types of optical information recording mediums
KONICA MINOLTA OPTO INC0 citations41
US7697392B2Apr 13, 2010
Optical pickup apparatus and optical information recording and/or reproducing apparatus
KONICA MINOLTA OPTO INC0 citations38
US7369480B2May 6, 2008
Optical pickup device and optical element
KONICA MINOLTA OPTO INC0 citations36
KONICA CORP
7 patentsUS7200079B2Apr 3, 2007
Optical pickup device and optical element used for the same
KONICA CORP10 citations83
US7577077B2Aug 18, 2009
Optical pickup apparatus and optical element
KONICA CORP2 citations63
US7508745B2Mar 24, 2009
Optical element having a refractive function and an optical path difference providing function
KONICA CORP3 citations63
US7190658B2Mar 13, 2007
Optical element having a plurality of ring-shaped zones
KONICA CORP4 citations62
US7969854B2Jun 28, 2011
Optical pickup device and objective lens used in the same
KONICA CORP0 citations52
US7855945B2Dec 21, 2010
Optical pickup apparatus and optical element
KONICA CORP0 citations52
US7330406B2Feb 12, 2008
Optical pickup device and optical element used for the same
KONICA CORP0 citations51