Inventor
TAKAKUBO YUTAKA
JP26 patents
⚠️ This page may combine multiple inventors who share the name “TAKAKUBO YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PENTAX CORP
13 patentsUS6717705B2Apr 6, 2004
Scanning optical system
PENTAX CORP21 citations92
US6954296B2Oct 11, 2005
Scanning optical system
PENTAX CORP13 citations84
US6873466B2Mar 29, 2005
Scanning optical system
PENTAX CORP13 citations84
US6831763B2Dec 14, 2004
Scanning optical system
PENTAX CORP16 citations84
US6898025B2May 24, 2005
Projection aligner and optical system therefor
PENTAX CORP7 citations74
US6937376B2Aug 30, 2005
Scanning optical system
PENTAX CORP11 citations73
US7193759B2Mar 20, 2007
Scanning optical system
PENTAX CORP4 citations63
US6954222B2Oct 11, 2005
Manufacturing method of scanning optical system
PENTAX CORP5 citations63
US7023595B2Apr 4, 2006
Scanning optical system
PENTAX CORP2 citations62
US6961163B2Nov 1, 2005
Scanning optical system
PENTAX CORP6 citations62
US6853470B2Feb 8, 2005
Scanning optical system
PENTAX CORP5 citations62
US7042607B2May 9, 2006
Scanning optical system
PENTAX CORP0 citations52
US7375869B2May 20, 2008
Tandem type scanning optical system
PENTAX CORP0 citations41
HOYA CORP
9 patentsUS10082648B2Sep 25, 2018
Imaging optical system
HOYA CORP6 citations80
US11656456B2May 23, 2023
Optical element and optical apparatus
HOYA CORP2 citations72
US10976522B2Apr 13, 2021
Imaging optical system
HOYA CORP3 citations72
US9874734B2Jan 23, 2018
Zoom optical system and imaging apparatus provided with the same
HOYA CORP3 citations72
US10209494B2Feb 19, 2019
Imaging optical system
HOYA CORP2 citations69
US7889426B2Feb 15, 2011
Diffractive lens and scanning lens formed with diffractive lens
HOYA CORP2 citations63
US9429767B2Aug 30, 2016
Imaging optical system
HOYA CORP2 citations62
US11774649B2Oct 3, 2023
Optical element and optical apparatus
HOYA CORP0 citations57
US10698183B2Jun 30, 2020
Imaging optical system
HOYA CORP0 citations41