Inventor
NAGATOSHI YUKIKO
JP59 patents
⚠️ This page may combine multiple inventors who share the name “NAGATOSHI YUKIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM CORP
42 patentsUS11194235B2Dec 7, 2021
Projector
FUJIFILM CORP5 citations84
US10437027B2Oct 8, 2019
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP4 citations84
US8976455B2Mar 10, 2015
Variable-magnification projection optical system and projection display device
FUJIFILM CORP12 citations84
US11662559B2May 30, 2023
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP1 citations73
US11280986B2Mar 22, 2022
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP2 citations73
US11119393B2Sep 14, 2021
Projector
FUJIFILM CORP2 citations73
US11112587B2Sep 7, 2021
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP3 citations73
US11061307B2Jul 13, 2021
Projection optical system and projector
FUJIFILM CORP2 citations73
US10754238B2Aug 25, 2020
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP2 citations73
US10527828B2Jan 7, 2020
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP3 citations73
US10451854B2Oct 22, 2019
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP3 citations73
US10101641B2Oct 16, 2018
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP3 citations73
US10082650B2Sep 25, 2018
Wide-angle lens, projection display device, and imaging apparatus
FUJIFILM CORP3 citations73
US9557538B2Jan 31, 2017
Projection zoom lens and projection type display device
FUJIFILM CORP2 citations73
US8976454B2Mar 10, 2015
Variable-magnification projection optical system and projection display device
FUJIFILM CORP4 citations73
US9494776B2Nov 15, 2016
Zoom lens and imaging apparatus
FUJIFILM CORP2 citations63
US12216391B2Feb 4, 2025
Projector with rotatable projection lens
FUJIFILM CORP0 citations62
US12181784B2Dec 31, 2024
Projection lens
FUJIFILM CORP0 citations62
US12019223B2Jun 25, 2024
Imaging optical system, projection-type display apparatus, and imaging apparatus
FUJIFILM CORP0 citations62
US11899346B2Feb 13, 2024
Projector with rotatable projection lens
FUJIFILM CORP0 citations62
US11835697B2Dec 5, 2023
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP0 citations62
US11506958B2Nov 22, 2022
Projector
FUJIFILM CORP0 citations62
US11067776B2Jul 20, 2021
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP1 citations62
US10955731B2Mar 23, 2021
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP1 citations62
US10852535B2Dec 1, 2020
Imaging lens and optical apparatus
FUJIFILM CORP1 citations62
US12164088B2Dec 10, 2024
Projection lens and projection apparatus
FUJIFILM CORP0 citations52
US11856337B2Dec 26, 2023
Projection-type display device
FUJIFILM CORP0 citations52
US11415784B2Aug 16, 2022
Imagaing optical system, projection display device, and imaging apparatus
FUJIFILM CORP0 citations52
US11320635B2May 3, 2022
Imaging optical system, projection type display device, and imaging apparatus
FUJIFILM CORP0 citations52
US11125987B2Sep 21, 2021
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP0 citations52
US10948699B1Mar 16, 2021
Imaging optical system, projection type display device, and imaging apparatus
FUJIFILM CORP0 citations52
US10838179B2Nov 17, 2020
Wide-angle lens, projection lens, relay lens, projection-type display apparatus, and relay lens unit
FUJIFILM CORP0 citations52
US9684157B2Jun 20, 2017
Projection zoom lens and projection type display device
FUJIFILM CORP0 citations52
US9599801B2Mar 21, 2017
Projection zoom lens and projection type display device
FUJIFILM CORP0 citations52
US9383559B2Jul 5, 2016
Zoom lens and imaging apparatus
FUJIFILM CORP0 citations52
US9261687B2Feb 16, 2016
Variable magnification optical system for projection and projection-type display apparatus
FUJIFILM CORP0 citations52
US10871638B2Dec 22, 2020
Imaging optical system, projection display device, and imaging apparatus
FUJIFILM CORP0 citations42
US10416422B2Sep 17, 2019
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image
FUJIFILM CORP0 citations42
US10401599B2Sep 3, 2019
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP0 citations42
US10324278B2Jun 18, 2019
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP0 citations42
US10247927B2Apr 2, 2019
Zoom lens, projection display device, and imaging apparatus
FUJIFILM CORP0 citations42
US9995917B2Jun 12, 2018
Projection zoom lens and projection type display device
FUJIFILM CORP0 citations42
NAGATOSHI YUKIKO
4 patentsUS8482851B2Jul 9, 2013
Projection optical system and projection display device using the same
NAGATOSHI YUKIKO11 citations83
US8072690B2Dec 6, 2011
Projection zoom lens system and projection type display apparatus
NAGATOSHI YUKIKO9 citations83
US8693105B2Apr 8, 2014
Variable magnification optical system for projection and projection-type display apparatus
NAGATOSHI YUKIKO4 citations72
US8270092B2Sep 18, 2012
Zoom lens for projection and projection-type display apparatus
NAGATOSHI YUKIKO4 citations62
FUJINON CORP
3 patentsFUJI PHOTO OPTICAL CO LTD
1 patentShowing the top 50 of 59 patents by PatentIndex Score.