Inventor
ICHIKAWA KEISUKE
JP53 patents
⚠️ This page may combine multiple inventors who share the name “ICHIKAWA KEISUKE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS CORP
32 patentsUS10830991B2Nov 10, 2020
Single-focus optical system and optical apparatus using the same
OLYMPUS CORP3 citations73
US10663705B2May 26, 2020
Single-focus optical system and optical apparatus using the same
OLYMPUS CORP5 citations73
US10274705B2Apr 30, 2019
Single-focus optical system and optical apparatus using the same
OLYMPUS CORP4 citations73
US10197768B2Feb 5, 2019
Single focus optical system and optical apparatus using the same
OLYMPUS CORP3 citations73
US10197769B2Feb 5, 2019
Single-focus optical system and optical apparatus using the same
OLYMPUS CORP3 citations73
US10191253B2Jan 29, 2019
Single focus optical system and optical apparatus using the same
OLYMPUS CORP3 citations73
US10191258B2Jan 29, 2019
Single-focus optical system and optical apparatus using the same
OLYMPUS CORP3 citations73
US10114200B2Oct 30, 2018
Imaging optical system and optical apparatus including the same
OLYMPUS CORP4 citations73
US9958653B2May 1, 2018
Imaging optical system and optical apparatus including the same
OLYMPUS CORP5 citations73
US9952416B2Apr 24, 2018
Imaging optical system and optical apparatus including the same
OLYMPUS CORP5 citations73
US9602733B2Mar 21, 2017
Image forming optical system and electronic image pickup apparatus using the same
OLYMPUS CORP5 citations73
US9400371B2Jul 26, 2016
Image forming lens system and image pickup apparatus using the same
OLYMPUS CORP2 citations63
US9329369B2May 3, 2016
Optical system and optical instrument, image pickup apparatus, and image pickup system using the same
OLYMPUS CORP2 citations63
US7535652B2May 19, 2009
Zoom optical system and electronic imaging apparatus using the same
OLYMPUS CORP5 citations63
US7522347B2Apr 21, 2009
Zoom optical system and electronic imaging apparatus using the same
OLYMPUS CORP2 citations63
US7403345B2Jul 22, 2008
Zoom optical system and electronic imaging apparatus using the same
OLYMPUS CORP4 citations63
US12066603B2Aug 20, 2024
Wide-angle optical system including three lens units of −++ refractive powers, and image pickup apparatus using the same
OLYMPUS CORP1 citations62
US10185131B2Jan 22, 2019
Zoom lens and lens barrel and image pickup apparatus using the same
OLYMPUS CORP1 citations62
US9019621B2Apr 28, 2015
Objective optical system and observation apparatus provided with the same
OLYMPUS CORP3 citations62
US12117602B2Oct 15, 2024
Wide-angle optical system and image pickup apparatus using the same
OLYMPUS CORP0 citations52
US12085707B2Sep 10, 2024
Wide-angle optical system and image pickup apparatus using the same
OLYMPUS CORP0 citations52
US9964742B2May 8, 2018
Optical system and optical instrument, image pickup apparatus, and image pickup system using the same
OLYMPUS CORP0 citations52
US9946050B2Apr 17, 2018
Image forming lens system and image pickup apparatus using the same
OLYMPUS CORP0 citations52
US9448392B2Sep 20, 2016
Zoom lens and image pickup apparatus using the same
OLYMPUS CORP0 citations52
US9151937B2Oct 6, 2015
Optical system and optical instrument, image pickup apparatus, and image pickup system using the same
OLYMPUS CORP0 citations52
US9134517B2Sep 15, 2015
Zoom lens and image pickup apparatus using the same
OLYMPUS CORP0 citations52
US7403340B2Jul 22, 2008
Zoom optical system and electronic imaging apparatus using the same
OLYMPUS CORP0 citations52
US7848030B2Dec 7, 2010
Image forming optical system and electronic image pickup apparatus using image forming optical system
OLYMPUS CORP1 citations51
US11002950B2May 11, 2021
Microscope objective
OLYMPUS CORP0 citations48
US7898743B2Mar 1, 2011
Image forming optical system and electronic image pickup apparatus using image forming optical system
OLYMPUS CORP0 citations41
US7800832B2Sep 21, 2010
Image forming optical system and electronic image pickup apparatus using image forming optical system
OLYMPUS CORP0 citations41
US7715108B2May 11, 2010
Image forming optical system and electronic image pickup apparatus using image forming optical system
OLYMPUS CORP0 citations41
ICHIKAWA KEISUKE
6 patentsUS8446512B2May 21, 2013
Image forming optical system and electronic image pickup apparatus equipped with same
ICHIKAWA KEISUKE9 citations83
US9500841B2Nov 22, 2016
Zoom lens, and imaging apparatus incorporating the same
ICHIKAWA KEISUKE2 citations62
US8593735B2Nov 26, 2013
Image forming optical system and electronic image pickup apparatus using the same
ICHIKAWA KEISUKE2 citations62
US8184376B2May 22, 2012
Three unit zoom lens and image pickup apparatus equipped with same
ICHIKAWA KEISUKE0 citations41
US8165463B2Apr 24, 2012
Zoom optical system and electronic imaging apparatus using the same
ICHIKAWA KEISUKE0 citations41
US8081253B2Dec 20, 2011
Zoom lens and image pickup apparatus equipped with same
ICHIKAWA KEISUKE0 citations41
JATCO LTD
4 patentsUS8657720B2Feb 25, 2014
Shift control apparatus for continuously variable transmission
JATCO LTD4 citations70
US11326689B2May 10, 2022
Shifter abnormality diagnosis device and shifter abnormality diagnosis method
JATCO LTD0 citations61
US11022190B2Jun 1, 2021
Vehicle control device and vehicle control method
JATCO LTD0 citations61
US8617029B2Dec 31, 2013
Shift control apparatus for continuously variable transmission
JATCO LTD3 citations60
OLYMPUS IMAGING CORP
3 patentsUS7830613B2Nov 9, 2010
Zoom lens and an imaging apparatus incorporating the same
OLYMPUS IMAGING CORP18 citations84
US8351129B2Jan 8, 2013
Zoom lens and electronic imaging apparatus incorporating the same
OLYMPUS IMAGING CORP3 citations62
US7760441B2Jul 20, 2010
Zoom lens and imaging apparatus incorporating the same
OLYMPUS IMAGING CORP4 citations62
AMANO CORP
1 patentKON TOYOKI
1 patentARAKAWA MASAKI
1 patentSONY COMPUTER ENTERTAINMENT INC
1 patentMIHARA SHINICHI
1 patentShowing the top 50 of 53 patents by PatentIndex Score.