Inventor
NAGAHARA AKIKO
JP54 patents
⚠️ This page may combine multiple inventors who share the name “NAGAHARA AKIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM CORP
23 patentsUS8976455B2Mar 10, 2015
Variable-magnification projection optical system and projection display device
FUJIFILM CORP12 citations84
US11280986B2Mar 22, 2022
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP2 citations73
US10527828B2Jan 7, 2020
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP3 citations73
US10101641B2Oct 16, 2018
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP3 citations73
US9557537B2Jan 31, 2017
Zoom lens for projection and projection-type display apparatus
FUJIFILM CORP3 citations73
US8976454B2Mar 10, 2015
Variable-magnification projection optical system and projection display device
FUJIFILM CORP4 citations73
US9250427B2Feb 2, 2016
Projection lens and projection display apparatus
FUJIFILM CORP2 citations63
US8379316B2Feb 19, 2013
Zoom lens for projection and projection-type display apparatus
FUJIFILM CORP2 citations63
US11835697B2Dec 5, 2023
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP0 citations62
US10295804B2May 21, 2019
Zoom lens, projection display device, and imaging apparatus that forms an intermediate image at a postion conjugate to a reduction side imaging plane and causes the intermediate image to be re-imaged on a magnification side imaging plane
FUJIFILM CORP1 citations62
US11856337B2Dec 26, 2023
Projection-type display device
FUJIFILM CORP0 citations52
US11796824B2Oct 24, 2023
Image forming optical system, projection type display device, and imaging apparatus
FUJIFILM CORP0 citations52
US11567294B2Jan 31, 2023
Imaging lens and imaging apparatus
FUJIFILM CORP0 citations52
US11320635B2May 3, 2022
Imaging optical system, projection type display device, and imaging apparatus
FUJIFILM CORP0 citations52
US10948699B1Mar 16, 2021
Imaging optical system, projection type display device, and imaging apparatus
FUJIFILM CORP0 citations52
US10895717B2Jan 19, 2021
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP0 citations52
US9664884B2May 30, 2017
Projection zoom lens and projection type display device
FUJIFILM CORP1 citations52
US8896929B2Nov 25, 2014
Projection zoom lens and projection type display device
FUJIFILM CORP1 citations52
US10416422B2Sep 17, 2019
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP0 citations42
US10324278B2Jun 18, 2019
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP0 citations42
US10151906B2Dec 11, 2018
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP0 citations42
US9739989B2Aug 22, 2017
Projection zoom lens and projection type display device
FUJIFILM CORP0 citations42
US9383560B2Jul 5, 2016
Zoom lens for projection and projection-type display apparatus
FUJIFILM CORP0 citations42
FUJI PHOTO OPTICAL CO LTD
17 patentsUS6542311B2Apr 1, 2003
Zoom lens and projection type display apparatus using the same
FUJI PHOTO OPTICAL CO LTD22 citations92
US6301058B2Oct 9, 2001
Wide-angle lens
FUJI PHOTO OPTICAL CO LTD48 citations92
US6204976B1Mar 20, 2001
Zoom lens
FUJI PHOTO OPTICAL CO LTD29 citations92
US6011660AJan 4, 2000
Imaging lens
FUJI PHOTO OPTICAL CO LTD22 citations92
US5966251AOct 12, 1999
Imaging lens
FUJI PHOTO OPTICAL CO LTD20 citations92
US6809877B2Oct 26, 2004
Zoom lens and projection display device using the same
FUJI PHOTO OPTICAL CO LTD15 citations84
US6580564B2Jun 17, 2003
Wide-angle zoom lens and projection-type display unit using it
FUJI PHOTO OPTICAL CO LTD19 citations84
US6222680B1Apr 24, 2001
Zoom lens
FUJI PHOTO OPTICAL CO LTD19 citations84
US6075658AJun 13, 2000
Imaging lens
FUJI PHOTO OPTICAL CO LTD16 citations84
US6043941AMar 28, 2000
Image-forming lens having four lens elements
FUJI PHOTO OPTICAL CO LTD19 citations84
US6801367B2Oct 5, 2004
Zoom lens and projection display device which uses same
FUJI PHOTO OPTICAL CO LTD8 citations74
US6104553AAug 15, 2000
Image-forming lens
FUJI PHOTO OPTICAL CO LTD10 citations74
US5999338ADec 7, 1999
Imaging lens
FUJI PHOTO OPTICAL CO LTD15 citations74
US5933286AAug 3, 1999
Image forming lens
FUJI PHOTO OPTICAL CO LTD16 citations74
US5835288ANov 10, 1998
Imaging lens
FUJI PHOTO OPTICAL CO LTD12 citations74
US6768595B2Jul 27, 2004
Five-group zoom lens and projection display device including it
FUJI PHOTO OPTICAL CO LTD3 citations63
US6639738B2Oct 28, 2003
Imaging lens
FUJI PHOTO OPTICAL CO LTD0 citations52
FUJINON CORP
5 patentsUS7280285B2Oct 9, 2007
Projection lens and projection display device using the same
FUJINON CORP12 citations84
US7889431B2Feb 15, 2011
Projection zoom lens and projection-type display apparatus
FUJINON CORP5 citations63
US7522348B2Apr 21, 2009
Zoom lens and projection display device using the same
FUJINON CORP6 citations63
US6989940B2Jan 24, 2006
Zoom lens and projection display device which uses same
FUJINON CORP3 citations63
US7672062B2Mar 2, 2010
Projection zoom lens and projection type display device
FUJINON CORP1 citations52
NAGATOSHI YUKIKO
2 patentsFujinon Corporartion
1 patentCANON KK
1 patentNAGAHARA AKIKO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.