Youfu; Katsuyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Youfu; Katsuyuki.The latest application filed is for "organic electroluminescent element, compound for use in the element, and light emitting device, display device, and illumination device using the element".

Company Profile

0.6.9

Youfu; Katsuyuki - Kanagawa N/A 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
Organic electric-field light-emitting element, light-emitting material for organic electric-field light-emitting element, and light-emitting device, display device, and illumination device using same element Grant 9,954,190 - Takada , et al. April 24, 2	2018-04-24
Organic Electroluminescent Element, Compound for Use in the Element, and Light Emitting Device, Display Device, and Illumination Device Using the Element App 20180069179 - Takaku; Koji ; et al.	2018-03-08
Organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, coating solution for non-light-emitting organic semiconductor device, organic semiconductor film for non-light-emitting organic semiconductor device, and Grant 9,705,096 - Youfu , et al. July 11, 2	2017-07-11
Organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, coating solution for non-light-emitting organic semiconductor device, and organic semiconductor film for non-light-emitting organic semiconductor device Grant 9,705,095 - Youfu , et al. July 11, 2	2017-07-11
Organic Transistor, Compound, Organic Semiconductor Material For Non-light-emitting Organic Semiconductor Device, Material For Organic Transistor, Coating Solution For Non-light-emitting Organic Semiconductor Device, And Organic Semiconductor Film For Non-light-emitting Organic Semiconductor Device App 20160315271 - YOUFU; Katsuyuki ; et al.	2016-10-27
Organic Transistor, Compound, Organic Semiconductor Material for Non-Light-Emitting Organic Semiconductor Device, Material For Organic Transistor, Coating Solution For Non-Light-Emitting Organic Semiconductor Device, Organic Semiconductor Film For Non-Light-Emitting Organic Semiconductor Device, And App 20160315272 - YOUFU; Katsuyuki ; et al.	2016-10-27
Organic Transistor, Compound, Organic Semiconductor Material for Non-Light-Emitting Organic Semiconductor Device, Material for Organic Transistor, Coating Solution for Non-Light-Emitting Organic Semiconductor Device, and Organic Semiconductor Film for Non-Light-Emitting Organic Semiconductor Device App 20160301018 - YOUFU; Katsuyuki ; et al.	2016-10-13
Organic electroluminescent element, material for organic electroluminescent element, and light emitting device, display device and illumination device each using the element Grant 9,412,963 - Takaku , et al. August 9, 2	2016-08-09
Organic Electric-Field Light-Emitting Element, Light-Emitting Material For Organic Electric-Field Light-Emitting Element, And Light-Emitting Device, Display Device, And Illumination Device Using Same Element App 20140159024 - Takada; Saki ; et al.	2014-06-12
Organic Electroluminescent Element, Compound for Use in the Element, and Light Emitting Device, Display Device, and Illumination Device Using the Element App 20130126835 - Takaku; Koji ; et al.	2013-05-23
Organic Electroluminescent Element, Material for Organic Electroluminescent Element, and Light Emitting Device, Display Device and Illumination Device Each Using the Element App 20130119359 - Takaku; Koji ; et al.	2013-05-16
Liquid crystal composition, liquid crystal device, reflection display material, light modulating material, and anthraquinone compound Grant 7,722,784 - Youfu , et al. May 25, 2	2010-05-25
Liquid Crystal Composition, Liquid Crystal Device, Reflection Display Material, Light Modulating Material, And Anthraquinone Compound App 20090074991 - Youfu; Katsuyuki ; et al.	2009-03-19

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