loadpatents
name:-0.033730030059814
name:-0.034725904464722
name:-0.0014607906341553
Kumai; Hiroshi Patent Filings

Kumai; Hiroshi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kumai; Hiroshi.The latest application filed is for "method for producing tetraalkoxysilane".

Company Profile
1.33.27
  • Kumai; Hiroshi - Tokyo JP
  • Kumai; Hiroshi - Chiyoda-ku JP
  • Kumai; Hiroshi - Gyoda JP
  • Kumai; Hiroshi - Koriyama N/A JP
  • Kumai; Hiroshi - Gyoda-shi JP
  • Kumai; Hiroshi - Fukushima JP
  • Kumai; Hiroshi - Koriyama-shi JP
  • Kumai; Hiroshi - Saitama JP
  • Kumai; Hiroshi - Yokohama 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
PatentDate
Method for producing tetraalkoxysilane
Grant 11,028,106 - Fukaya , et al. June 8, 2
2021-06-08
Method For Producing Tetraalkoxysilane
App 20200347082 - FUKAYA; Norihisa ;   et al.
2020-11-05
Optical filter and imaging device
Grant 10,746,908 - Ooi , et al. A
2020-08-18
Infrared cut filter, solid-state imaging device, and imaging/display apparatus
Grant 10,345,498 - Yamamoto , et al. July 9, 2
2019-07-09
Electrochromic Element
App 20190049809 - OYAMA; Takuji ;   et al.
2019-02-14
Optical element and imaging device
Grant 10,088,730 - Kumai , et al. October 2, 2
2018-10-02
Optical Filter And Imaging Device
App 20180095203 - Ooi; Yoshiharu ;   et al.
2018-04-05
Optical filter, solid-state imaging element, imaging device lens and imaging device
Grant 9,753,196 - Hasegawa , et al. September 5, 2
2017-09-05
Optical Element And Imaging Device
App 20170219901 - KUMAI; Hiroshi ;   et al.
2017-08-03
Optical filter and solid-state imaging device
Grant 9,664,830 - Hasegawa , et al. May 30, 2
2017-05-30
Optical Filter, Solid-state Imaging Element, Imaging Device Lens And Imaging Device
App 20160231482 - HASEGAWA; Makoto ;   et al.
2016-08-11
Optical filter, solid-state imaging element, imaging device lens and imaging device
Grant 9,268,072 - Hasegawa , et al. February 23, 2
2016-02-23
Infrared Cut Filter, Solid-state Imaging Device, And Imaging/display Apparatus
App 20160018576 - Yamamoto; Kyoko ;   et al.
2016-01-21
Infrared Cut Filter
App 20160011348 - HIRAKOSO; Hideyuki ;   et al.
2016-01-14
Optical Filter, Solid-state Imaging Element, Imaging Device Lens And Imaging Device
App 20140091419 - Hasegawa; Makoto ;   et al.
2014-04-03
Optical Filter And Solid-state Imaging Device
App 20140055652 - HASEGAWA; Makoto ;   et al.
2014-02-27
Dialkoxymagnesium granules and method for their synthesis
Grant 8,632,882 - Yamanaka , et al. January 21, 2
2014-01-21
Liquid crystal alignment film, process for its production, optical element using the liquid crystal alignment film, and optical information writing/reading device
Grant 8,565,058 - Shiono , et al. October 22, 2
2013-10-22
Polymer compound, composition for alignment film, alignment film, optical element, and optical information writing/reading device
Grant 8,488,432 - Okada , et al. July 16, 2
2013-07-16
Liquid Crystal Alignment Film, Process For Its Production, Optical Element Using The Liquid Crystal Alignment Film, And Optical Information Writing/reading Device
App 20130163399 - SHIONO; Kazuhiko ;   et al.
2013-06-27
Di(meth)acrylate compound, polymerizable liquid crystal composition, optical anisotropic material, optical element and optical information writing/reading device
Grant 8,420,854 - Okada , et al. April 16, 2
2013-04-16
Mixed Magnesum Dialkoxide Particulate, Method For Synthesizing Same, And Method For Use Thereof
App 20120322958 - Yamanaka; Akihiko ;   et al.
2012-12-20
Polymer Compound, Composition For Alignment Film, Alignment Film, Optical Element, And Optical Information Writing/reading Device
App 20120269050 - Okada; Satoshi ;   et al.
2012-10-25
Optically anisotropic material, optical element and optical information writing/reading device
Grant 8,293,134 - Okada , et al. October 23, 2
2012-10-23
Projection Display Apparatus
App 20120147279 - KOYANAGI; Atsushi ;   et al.
2012-06-14
Di(meth)acrylate Compound, Polymerizable Liquid Crystal Composition, Optical Anisotropic Material, Optical Element And Optical Information Writing/reading Device
App 20120123074 - OKADA; Satoshi ;   et al.
2012-05-17
Projection Display Device
App 20120075539 - KONISHI; Teppei ;   et al.
2012-03-29
Liquid crystal compound, polymerizable liquid crystal composition, optically anisotropic material, optical element and optical information writing/reading device
Grant 8,092,711 - Okada , et al. January 10, 2
2012-01-10
Compound, polymerizable liquid crystal composition, optical element and optical information writing/reading device
Grant 8,039,064 - Takeshita , et al. October 18, 2
2011-10-18
Compound, liquid crystal composition, optical anisotropic material and optical device
Grant 8,007,682 - Shioya , et al. August 30, 2
2011-08-30
Liquid crystal optical modulation element and optical head device
Grant 8,007,877 - Yoshida , et al. August 30, 2
2011-08-30
Optically Anisotropic Material, Optical Element And Optical Information Writing/reading Device
App 20110089372 - OKADA; Satoshi ;   et al.
2011-04-21
Liquid Crystal Compound, Polymerizable Liquid Crystal Composition, Optically Anisotropic Material, Optical Element And Optical Information Writing/reading Device
App 20110069241 - Okada; Satoshi ;   et al.
2011-03-24
Compound, Polymerizable Liquid Crystal Composition, Optical Element And Optical Information Writing/reading Device
App 20110063966 - TAKESHITA; Nobuhiko ;   et al.
2011-03-17
Bifunctional polymerizable compound, liquid crystal composition, optical anisotropic material and optical element
Grant 7,901,591 - Nagayama , et al. March 8, 2
2011-03-08
Liquid Crystal Optical Modulation Element And Optical Head Device
App 20110037910 - YOSHIDA; Kara ;   et al.
2011-02-17
Liquid crystal optical modulation element and optical head device
Grant 7,846,515 - Yoshida , et al. December 7, 2
2010-12-07
Liquid crystal optical modulation element and optical head device
Grant 7,820,250 - Yoshida , et al. October 26, 2
2010-10-26
Liquid Crystal Optical Modulation Element And Optical Head Device
App 20100149950 - Yoshida; Kara ;   et al.
2010-06-17
Liquid crystal optical modulation element and optical head device
Grant 7,714,977 - Hotaka , et al. May 11, 2
2010-05-11
Bifunctional Polymerizable Compound, Liquid Crystal Composition, Optical Anisotropic Material And Optical Element
App 20100038587 - NAGAYAMA; Hiromichi ;   et al.
2010-02-18
Dialkoxymagnesium Granules and Method for their Synthesis
App 20090202833 - Yamanaka; Akihiko ;   et al.
2009-08-13
Compound, Liquid Crystal Composition, Optical Anisotropic Material And Optical Device
App 20090128769 - Shioya; Kenichi ;   et al.
2009-05-21
Polymerizable liquid crystal compound, liquid crystal composition, optical anisotropic material and optical element
Grant 7,442,418 - Kaida , et al. October 28, 2
2008-10-28
Polymerizable liquid crystal compound, liquid crystal composition and optical anisotropic material
Grant 7,371,438 - Kaida , et al. May 13, 2
2008-05-13
Liquid Crystal Optical Modulation Element And Optical Head Device
App 20070104895 - HOTAKA; Hiroki ;   et al.
2007-05-10
Polymerizable Liquid Crystal Compound, Liquid Crystal Composition And Optical Anisotropic Material
App 20070102669 - KAIDA; Yuriko ;   et al.
2007-05-10
Polymerizable Liquid Crystal Compound, Liquid Crystal Composition, Optical Anisotropic Material And Optical Element
App 20070104894 - KAIDA; Yuriko ;   et al.
2007-05-10
Polymerizable liquid crystal compound, liquid crystal composition and optical anisotropic material
Grant 7,081,281 - Kumai , et al. July 25, 2
2006-07-25
Polymerizable Liquid Crystal Compound, Liquid Crystal Composition And Optical Anisotropic Material
App 20060124900 - Kumai; Hiroshi ;   et al.
2006-06-15
Liquid crystal optical element, a liquid crystal display element and a projection type liquid crystal display apparatus
Grant 5,858,268 - Niiyama , et al. January 12, 1
1999-01-12
Liquid crystal optical element and a laser projection apparatus using polymer dispersed liquid crystal
Grant 5,331,446 - Hirai , et al. July 19, 1
1994-07-19
Antistatic coating composition
Grant 5,318,724 - Hasegawa , et al. June 7, 1
1994-06-07
Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity
Grant 5,235,445 - Hirai , et al. August 10, 1
1993-08-10
Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus
Grant 5,103,327 - Hirai , et al. April 7, 1
1992-04-07
Liquid crystal optical device and process for its production and method for its operation
Grant 4,834,509 - Gunjima , et al. May 30, 1
1989-05-30
Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production
Grant 4,818,070 - Gunjima , et al. April 4, 1
1989-04-04

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