NAGAHARA; Akiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for NAGAHARA; Akiko.The latest application filed is for "zoom lens, projection display device, and imaging apparatus for forming an intermediate image".

Company Profile

7.45.44

NAGAHARA; Akiko - Saitama JP
Nagahara; Akiko - Saitama-ken JP
NAGAHARA; Akiko - Saitama-shi JP
- Saitama-ken JP
Nagahara; Akiko - Koshigaya JP
Nagahara; Akiko - Koshigaya City JP
Nagahara; Akiko - Omiya JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Zoom Lens, Projection Display Device, And Imaging Apparatus For Forming An Intermediate Image App 20220269053 - AMANO; Masaru ; et al.	2022-08-25
Projection-type Display Device App 20220264064 - NAGATOSHI; Yukiko ; et al.	2022-08-18
Image Forming Optical System, Projection Type Display Device, And Imaging Apparatus App 20220146842 - NAGAHARA; Akiko	2022-05-12
Imaging optical system, projection type display device, and imaging apparatus Grant 11,320,635 - Nagatoshi , et al. May 3, 2	2022-05-03
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image Grant 11,280,986 - Amano , et al. March 22, 2	2022-03-22
Imaging Lens And Imaging Apparatus App 20210165187 - NAGAHARA; Akiko	2021-06-03
Imaging optical system, projection type display device, and imaging apparatus Grant 10,948,699 - Nagatoshi , et al. March 16, 2	2021-03-16
Imaging Optical System, Projection Type Display Device, And Imaging Apparatus App 20210063710 - NAGATOSHI; Yukiko ; et al.	2021-03-04
Imaging Optical System, Projection Type Display Device, And Imaging Apparatus App 20210063709 - NAGATOSHI; Yukiko ; et al.	2021-03-04
Imaging optical system, projection display device, and imaging apparatus Grant 10,895,717 - Nagahara January 19, 2	2021-01-19
Zoom Lens, Projection Display Device, And Imaging Apparatus For Forming An Intermediate Image App 20200081233 - AMANO; Masaru ; et al.	2020-03-12
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image Grant 10,527,828 - Amano , et al. J	2020-01-07
Zoom lens, projection display device, and imaging apparatus for forming an intermediate image Grant 10,416,422 - Nagatoshi , et al. Sept	2019-09-17
Zoom lens, projection display device, and imaging apparatus Grant 10,324,278 - Amano , et al.	2019-06-18
Imaging Optical System, Projection Display Device, And Imaging Apparatus App 20190162936 - NAGAHARA; Akiko	2019-05-30
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 Grant 10,295,804 - Nagahara	2019-05-21
Imaging optical system, projection-type display apparatus, and imaging apparatus Grant 10,151,906 - Nagahara Dec	2018-12-11
Zoom lens, projection display device, and imaging apparatus Grant 10,101,641 - Nagatoshi , et al. October 16, 2	2018-10-16
Zoom Lens, Projection Display Device, And Imaging Apparatus App 20180059385 - AMANO; Masaru ; et al.	2018-03-01
Zoom Lens, Projection Display Device, And Imaging Apparatus App 20180059393 - NAGATOSHI; Yukiko ; et al.	2018-03-01
Zoom Lens, Projection Display Device, And Imaging Apparatus App 20180059390 - NAGAHARA; Akiko	2018-03-01
Zoom Lens, Projection Display Device, And Imaging Apparatus App 20180059519 - NAGATOSHI; Yukiko ; et al.	2018-03-01
Zoom Lens, Projection Display Device, And Imaging Apparatus App 20180059392 - AMANO; Masaru ; et al.	2018-03-01
Imaging Optical System, Projection-type Display Apparatus, And Imaging Apparatus App 20170343779 - NAGAHARA; Akiko	2017-11-30
Projection lens and projection display apparatus Grant 9,739,985 - Baba , et al. August 22, 2	2017-08-22
Projection zoom lens and projection type display device Grant 9,739,989 - Nagahara August 22, 2	2017-08-22
Projection zoom lens and projection type display device Grant 9,664,884 - Nagahara , et al. May 30, 2	2017-05-30
Zoom lens for projection and projection-type display apparatus Grant 9,557,537 - Nagahara January 31, 2	2017-01-31
Zoom lens for projection and projection-type display apparatus Grant 9,383,560 - Nagahara July 5, 2	2016-07-05
Optical System, Observation Optical System, And Optical Apparatus App 20160131922 - NAGAHARA; Akiko ; et al.	2016-05-12
Projection Zoom Lens And Projection Type Display Device App 20160062093 - NAGAHARA; Akiko	2016-03-03
Projection Zoom Lens And Projection Type Display Device App 20160062088 - NAGAHARA; Akiko ; et al.	2016-03-03
Projection lens and projection display apparatus Grant 9,250,427 - Nagahara February 2, 2	2016-02-02
Lens for projection and projection-type display apparatus Grant 9,195,034 - Nagahara , et al. November 24, 2	2015-11-24
Projection Lens And Projection Display Apparatus App 20150323766 - BABA; TOMOYUKI ; et al.	2015-11-12
Zoom Lens For Projection And Projection-type Display Apparatus App 20150234159 - NAGAHARA; Akiko	2015-08-20
Variable-magnification projection optical system and projection display device Grant 8,976,454 - Nagatoshi , et al. March 10, 2	2015-03-10
Variable-magnification projection optical system and projection display device Grant 8,976,455 - Nagahara , et al. March 10, 2	2015-03-10
Lens For Projection And Projection-type Display Apparatus App 20150036228 - NAGAHARA; AKIKO ; et al.	2015-02-05
Projection zoom lens and projection type display device Grant 8,922,903 - Nagahara , et al. December 30, 2	2014-12-30
Projection zoom lens and projection type display device Grant 08922903 -	2014-12-30
Zoom Lens For Projection And Projection-type Display Apparatus App 20140376101 - NAGAHARA; Akiko	2014-12-25
Projection Lens And Projection Display Apparatus App 20140355127 - NAGAHARA; Akiko	2014-12-04
Projection zoom lens and projection type display device Grant 8,896,929 - Baba , et al. November 25, 2	2014-11-25
Projection Zoom Lens And Projection Type Display Device App 20140226219 - BABA; Tomoyuki ; et al.	2014-08-14
Projection Zoom Lens And Projection Type Display Device App 20140226218 - NAGAHARA; Akiko ; et al.	2014-08-14
Variable-magnification Projection Optical System And Projection Display Device App 20140126067 - NAGAHARA; Akiko ; et al.	2014-05-08
Variable-magnification Projection Optical System And Projection Display Device App 20140111868 - NAGATOSHI; Yukiko ; et al.	2014-04-24
Variable magnification optical system for projection and projection-type display apparatus Grant 8,693,105 - Nagatoshi , et al. April 8, 2	2014-04-08
Projection Zoom Lens And Projection Apparatus App 20130271848 - NAGAHARA; Akiko	2013-10-17
Projection zoom lens and projection display device Grant 8,390,935 - Nagahara March 5, 2	2013-03-05
Zoom lens for projection and projection-type display apparatus Grant 8,379,316 - Nagahara February 19, 2	2013-02-19
Zoom lens for projection and projection-type display apparatus Grant 8,270,092 - Nagatoshi , et al. September 18, 2	2012-09-18
Zoom Lens For Projection And Projection-type Display Apparatus App 20110304921 - NAGAHARA; Akiko	2011-12-15
Variable Magnification Optical System For Projection And Projection-type Display Apparatus App 20110249344 - NAGATOSHI; Yukiko ; et al.	2011-10-13
Zoom Lens For Projection And Projection-type Display Apparatus App 20110157716 - NAGATOSHI; Yukiko ; et al.	2011-06-30
Projection zoom lens and projection-type display apparatus Grant 7,889,431 - Nagahara February 15, 2	2011-02-15
Projection Zoom Lens And Projection Display Device App 20110013151 - NAGAHARA; Akiko	2011-01-20
Projection Zoom Lens And Projection-type Display Apparatus App 20100165477 - NAGAHARA; Akiko	2010-07-01
Projection zoom lens and projection type display device Grant 7,672,062 - Nagahara , et al. March 2, 2	2010-03-02
Projection zoom lens and projection type display device Grant 7,605,985 - Nagahara , et al. October 20, 2	2009-10-20
Projection Zoom Lens And Projection Type Display Device App 20090135497 - NAGAHARA; Akiko ; et al.	2009-05-28
Projection Zoom Lens And Projection Type Display Device App 20090135496 - NAGAHARA; Akiko ; et al.	2009-05-28
Zoom lens and projection display device using the same Grant 7,522,348 - Nagahara April 21, 2	2009-04-21
Projection lens and projection display device using the same Grant 7,280,285 - Nagahara , et al. October 9, 2	2007-10-09
Zoom lens and projection display device using the same App 20070229967 - Nagahara; Akiko	2007-10-04
Projection lens and projection display device using the same App 20060176576 - Nagahara; Akiko ; et al.	2006-08-10
Zoom lens and projection display device which uses same Grant 6,989,940 - Nagahara January 24, 2	2006-01-24
Zoom lens and projection display device using the same Grant 6,809,877 - Nagahara October 26, 2	2004-10-26
Zoom lens and projection display device which uses same Grant 6,801,367 - Nagahara October 5, 2	2004-10-05
Zoom lens and projection display device which uses same App 20040190155 - Nagahara, Akiko	2004-09-30
Five-group zoom lens and projection display device including it Grant 6,768,595 - Nagahara July 27, 2	2004-07-27
Zoom lens and projection display device which uses same App 20030234984 - Nagahara, Akiko	2003-12-25
Zoom lens and projection display device using the same App 20030231404 - Nagahara, Akiko	2003-12-18
Imaging lens Grant 6,639,738 - Nagahara October 28, 2	2003-10-28
Five-group zoom lens and projection display device including it App 20030184874 - Nagahara, Akiko	2003-10-02
Wide-angle zoom lens and projection-type display unit using it Grant 6,580,564 - Nagahara June 17, 2	2003-06-17
Imaging lens App 20030076584 - Nagahara, Akiko	2003-04-24
Wide-angle zoom lens and projection-type display unit using it App 20020181120 - Nagahara, Akiko	2002-12-05
Zoom lens and projection type display apparatus using the same App 20020080499 - Nagahara, Akiko	2002-06-27
Wide-angle lens Grant 6,301,058 - Nagahara October 9, 2	2001-10-09
Wide-angle lens App 20010012161 - Nagahara, Akiko	2001-08-09
Zoom lens Grant 6,222,680 - Yamamoto , et al. April 24, 2	2001-04-24
Image-forming lens Grant 6,104,553 - Nagahara August 15, 2	2000-08-15
Image-forming lens having four lens elements Grant 6,043,941 - Yamada , et al. March 28, 2	2000-03-28
Imaging lens Grant 5,966,251 - Nagahara October 12, 1	1999-10-12
Image forming lens Grant 5,933,286 - Yamada , et al. August 3, 1	1999-08-03