loadpatents
name:-0.018867015838623
name:-0.021193027496338
name:-0.0051689147949219
Lee; Chi Hang Patent Filings

Lee; Chi Hang

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lee; Chi Hang.The latest application filed is for "organic electroluminescent materials and devices".

Company Profile
5.21.18
  • Lee; Chi Hang - Chaiwan HK
  • Lee; Chi Hang - Ewing NJ
  • Lee; Chi-Hang - Walnut Creek CA
  • Lee; Chi-Hang - Spring Valley NY
*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
Organic electroluminescent materials and devices
Grant 10,991,895 - Kwong , et al. April 27, 2
2021-04-27
Organic electroluminescent materials and devices
Grant 10,608,185 - Lee , et al.
2020-03-31
Organic electroluminescent materials and devices
Grant 10,566,546 - Kwong , et al. Feb
2020-02-18
Organic electroluminescent materials and devices
Grant 10,468,609 - Lee , et al. No
2019-11-05
Organic electroluminescent materials and devices
Grant 10,418,569 - Kwong , et al. Sept
2019-09-17
Organic electroluminescent materials and devices
Grant 10,418,568 - Lam , et al. Sept
2019-09-17
Organic electroluminescent materials and devices
Grant 10,236,458 - Kwong , et al.
2019-03-19
Organic electroluminescent materials and devices
Grant 10,033,004 - Lam , et al. July 24, 2
2018-07-24
Organic electroluminescent materials and devices
Grant 9,978,956 - Tsang , et al. May 22, 2
2018-05-22
Organic Electroluminescent Materials And Devices
App 20180114929 - Kwong; Raymond ;   et al.
2018-04-26
Organic Electroluminescent Materials and Devices
App 20180108844 - Lee; Chi Hang ;   et al.
2018-04-19
Organic electroluminescent materials and devices
Grant 9,882,151 - Kwong , et al. January 30, 2
2018-01-30
Organic Electroluminescent Materials And Devices
App 20170352809 - LEE; Chi Hang ;   et al.
2017-12-07
Organic electroluminescent materials and devices
Grant 9,741,941 - Yeh , et al. August 22, 2
2017-08-22
Organic electroluminescent materials and devices
Grant 9,647,218 - Kwong , et al. May 9, 2
2017-05-09
Organic Electroluminescent Materials And Devices
App 20170098790 - KWONG; Raymond ;   et al.
2017-04-06
Organic Electroluminescent Materials And Devices
App 20170018721 - TSANG; Kit Yee ;   et al.
2017-01-19
Organic materials for organic light emitting devices
Grant 9,548,459 - Kwong , et al. January 17, 2
2017-01-17
Organic electroluminescent materials and devices
Grant 9,537,106 - Kwong , et al. January 3, 2
2017-01-03
Organic Electroluminescent Materials And Devices
App 20160351812 - LAM; Siu Tung ;   et al.
2016-12-01
Organic Electroluminescent Materials And Devices
App 20160351811 - LAM; Siu Tung ;   et al.
2016-12-01
Organic Electroluminescent Materials And Devices
App 20160233424 - KWONG; Raymond ;   et al.
2016-08-11
Organic Electroluminescent Materials And Devices
App 20160218303 - KWONG; Raymond ;   et al.
2016-07-28
Organic electroluminescent materials and devices
Grant 9,324,949 - Kwong , et al. April 26, 2
2016-04-26
Organic Electroluminescent Materials And Devices
App 20160013422 - Kwong; Raymond ;   et al.
2016-01-14
Organic electroluminescent materials and devices
Grant 9,190,623 - Kwong , et al. November 17, 2
2015-11-17
Organic Electroluminescent Materials And Devices
App 20150311449 - YEH; Tzu-Chin ;   et al.
2015-10-29
Organic Materials For Organic Light Emitting Devices
App 20150236268 - KWONG; Raymond ;   et al.
2015-08-20
Secondary hole transporting layer with diarylamino-phenyl-carbazole compounds
Grant 9,054,323 - Kwong , et al. June 9, 2
2015-06-09
Organic Electroluminescent Materials And Devices
App 20150129849 - Kwong; Raymond ;   et al.
2015-05-14
Donor-acceptor Compounds With Nitrogen Containing Heteropolyaromatics As The Electron Acceptor
App 20150021555 - Kwong; Raymond ;   et al.
2015-01-22
Donor-acceptor Compounds With Nitrogen Containing Polyaromatics As The Acceptor
App 20140332758 - Kwong; Raymond ;   et al.
2014-11-13
Organic Electroluminescent Device With Delayed Fluorescence
App 20140138627 - Kwong; Raymond ;   et al.
2014-05-22
Secondary Hole Transporting Layer With Diarylamino-phenyl-carbazole Compounds
App 20130241401 - Kwong; Raymond ;   et al.
2013-09-19
Vegetable and fruit preservation process
Grant 4,336,273 - Lee June 22, 1
1982-06-22
Sweetness Inducer
Grant 3,924,017 - Lee , et al. December 2, 1
1975-12-02
Sweetness Inducer
Grant 3,916,028 - Lee , et al. October 28, 1
1975-10-28

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