Inventor
KIKUCHI IKUYA
JP30 patents
⚠️ This page may combine multiple inventors who share the name “KIKUCHI IKUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PIONEER CORP
17 patentsUS6751175B1Jun 15, 2004
Aberration correcting device and optical pickup apparatus using the same
PIONEER CORP23 citations92
US6353582B1Mar 5, 2002
Pickup device
PIONEER CORP36 citations92
US6320699B1Nov 20, 2001
Aberration correcting apparatus and optical apparatus using the same
PIONEER CORP52 citations92
US7016269B2Mar 21, 2006
Optical pickup apparatus and focusing control method
PIONEER CORP17 citations84
US6667947B2Dec 23, 2003
Optical multi-layer information recordating medium
PIONEER CORP17 citations84
US6373807B1Apr 16, 2002
Optical pickup information reproducing apparatus and information recording apparatus
PIONEER CORP16 citations83
US7453787B2Nov 18, 2008
Optical pickup
PIONEER CORP8 citations74
US6885616B2Apr 26, 2005
Optical pickup apparatus and information recording and/or reproducing apparatus
PIONEER CORP11 citations74
US6683732B2Jan 27, 2004
Objective lens collision preventing device and method for manufacturing the same
PIONEER CORP10 citations74
US6594091B2Jul 15, 2003
Optical pickup
PIONEER CORP11 citations74
US6584065B1Jun 24, 2003
Information recording medium apparatus for forming the same and information recording and reproducing systems
PIONEER CORP12 citations74
US6804185B2Oct 12, 2004
Optical pickup and information recording and/or reproducing apparatus including the same
PIONEER CORP6 citations63
US6529339B2Mar 4, 2003
Lens and production method therefor
PIONEER CORP6 citations63
US6992953B2Jan 31, 2006
Tracking servo apparatus of optical information recording and reproducing apparatus
PIONEER CORP3 citations62
US11209359B2Dec 28, 2021
Apparatus and method for measuring fluid information from light scattering
PIONEER CORP0 citations60
US7139234B2Nov 21, 2006
Optical pickup
PIONEER CORP1 citations52
US6501711B1Dec 31, 2002
Pickup drive apparatus, pickup drive method, and recording/reproducing apparatus
PIONEER CORP1 citations52
PIONEER ELECTRONIC CORP
10 patentsUS4596448AJun 24, 1986
Optical system support and positioning device for use in an optical reading apparatus
PIONEER ELECTRONIC CORP38 citations92
US6518555B1Feb 11, 2003
Polarization hologram lens, optical pickup, information reproduction apparatus and information recording apparatus
PIONEER ELECTRONIC CORP17 citations84
US5892748AApr 6, 1999
Optical pickup for reading or recording information on a recording surface
PIONEER ELECTRONIC CORP17 citations84
US5007712AApr 16, 1991
Optical pick-up unit
PIONEER ELECTRONIC CORP21 citations82
US5034934AJul 23, 1991
Opto-magnetic disk unit with improved dynamic range characteristics and opto-magnetic disk therefor
PIONEER ELECTRONIC CORP13 citations73
US6339570B1Jan 15, 2002
Optical pickup system
PIONEER ELECTRONIC CORP6 citations63
US5333124AJul 26, 1994
Magnetic optical disk player having improved servoresponse sensitivity
PIONEER ELECTRONIC CORP5 citations63
US5220544AJun 15, 1993
Magnetic optical disk player having improved magnetic field orientations
PIONEER ELECTRONIC CORP5 citations63
US5022022AJun 4, 1991
Support structure for an optical pickup electrically adjustable in two directions
PIONEER ELECTRONIC CORP3 citations63
US4901303AFeb 13, 1990
Photo-electro-magnetic disc device
PIONEER ELECTRONIC CORP3 citations63