Patents by Inventor Yoshitake Suzuki

Yoshitake Suzuki has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Organic light emitting element, composition and membrane
    Patent number: 11937495
    Abstract: An organic light-emitting device containing both a compound represented by the following general formula (1) and a compound represented by the following general formula (2) has a high light emission efficiency. The rings a to c each are a benzene ring that can be optionally condensed, R1 and R2 each represent a substituted or unsubstituted aryl group, etc., four of R31 to R35 each are a substituted or unsubstituted carbazol-9-yl group, but all of these four are not the same, and the remaining one is a hydrogen atom, a cyano group, etc.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 19, 2024
    Assignees: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KWANSEI GAKUIN EDUCATIONAL FOUNDATION, KYULUX, INC.
    Inventors: Hajime Nakanotani, Takuji Hatakeyama, Yasuhiro Kondo, Yasuyuki Sasada, Motoki Yanai, Chin-Yiu Chan, Masaki Tanaka, Hiroki Noda, Chihaya Adachi, Yoshitake Suzuki, Naoto Notsuka
  • Composition of matter for use in organic light- emitting diodes
    Patent number: 11849634
    Abstract: The present disclosure relates to compounds of Formula (I)-(V) as compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: December 19, 2023
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D Hirzel, Yoshitake Suzuki, Yu Seok Yang, Shuo-Hsien Cheng, Naoto Notsuka, Hayato Kakizoe, Ayataka Endo, Keiro Nasu, Minki Hong
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11778904
    Abstract: The present disclosure relates to compounds of Formula (I) and (II): as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: October 3, 2023
    Assignee: KYULUX, INC.
    Inventors: Yoshitake Suzuki, Naoto Notsuka, Hiroaki Ozawa, Shuo-Hsien Cheng, Yu Seok Yang, Hayato Kakizoe, Ayataka Endo, Jorge Aguilera-Iparraguirre
  • COMPOUND, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING ELEMENT
    Publication number: 20230212177
    Abstract: A compound represented by the following general formula is useful as a light emitting material. Two of R1 to R5 each are an aromatic hydrocarbon cyclic group, or a nitrogen atom-containing aromatic heterocyclic group, three of R1 to R5 each are a donor group, and at least one thereof is a benzofuran ring-condensed carbazolyl-9-yl group.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 6, 2023
    Inventors: Kaori FUJISAWA, Yong Joo CHO, Yoshitake SUZUKI, Hayato KAKIZOE, Yu INADA, YuSeok YANG
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11638390
    Abstract: The present disclosure relates in part to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: April 25, 2023
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D Hirzel, Shuo-Hsien Cheng, Yu Seok Yang, Naoto Notsuka, Yoshitake Suzuki, Ayataka Endo, Keiro Nasu, Tsang Ping Kuen
  • COMPOUND, LUMINESCENT MATERIAL, DELAYED FLUORESCENT MATERIAL, AND ORGANIC OPTICAL DEVICE
    Publication number: 20230114170
    Abstract: The compound represented by the following formula is useful as a light-emitting material. R1 or R2 is Het-LA-* or CN-LA-*; one to three of R1 to R5 are diarylamino groups; the rest are a hydrogen atom or an aryl group; Het is a heteroaryl group; and LA is a single bond or an arylene group.
    Type: Application
    Filed: February 3, 2021
    Publication date: April 13, 2023
    Inventors: Yong Joo CHO, YuSeok YANG, Masataka YAMASHITA, Yoshitake SUZUKI, Kaori FUJISAWA
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11608333
    Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: March 21, 2023
    Assignee: KYULUX, INC.
    Inventors: Yu Seok Yang, Shuo-Hsien Cheng, Hiroaki Ozawa, Yoshitake Suzuki, Naoto Notsuka, Ayataka Endo, Hayato Kakizoe, Jorge Aguilera-Iparraguirre
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11588118
    Abstract: The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. X is O or S; Y1 to Y4 are N or R—C; at least one of R and R5 to R8 is CN or heteroaryl; and at least other one of R and R5 to R8 is diarylamino.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: February 21, 2023
    Assignee: KYULUX, INC.
    Inventors: Yong Joo Cho, Hiroaki Ozawa, YuSeok Yang, Yoshitake Suzuki, Shuo-Hsien Cheng, Kaori Fujisawa, Cheok-Lam Wong, Jorge Aguilera-Iparraguirre, Makoto Yoshizaki, Hayato Kakizoe, Ayataka Endo
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11584739
    Abstract: The present disclosure relates in parts to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: February 21, 2023
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D Hirzel, Yoshitake Suzuki, Shuo-Hsien Cheng, Yu Seok Yang, Naoto Notsuka, Ayataka Endo, Keiro Nasu, Tsang Ping Kuen
  • COMPOUND, LIGHT-EMITTING MATERIAL, AND ORGANIC LIGHT-EMITTING DEVICE
    Publication number: 20230051487
    Abstract: A compound represented by the following general formula has excellent light-emitting characteristics and emits light at a short wavelength. Y1 is N—RA; Y2 is O, S, C?O or N—RA; RA is an aryl group, etc.; R1 to R11 each are a hydrogen atom or a substituent; at least one of R1 to R3 is a carbazolyl group substituted with an aryl group, etc.
    Type: Application
    Filed: March 17, 2021
    Publication date: February 16, 2023
    Inventors: Kaori FUJISAWA, Yoshitake SUZUKI, Yong Joo CHO
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11575088
    Abstract: The present disclosure relates to compounds of Formula (I), (II), or (III) as compounds capable of emitting delayed fluorescence, and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: February 7, 2023
    Assignee: KYULUX, INC.
    Inventors: Yoshitake Suzuki, Shuo-Hsien Cheng, Yu Seok Yang, Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11555034
    Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence, and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: January 17, 2023
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D Hirzel, Naoto Notsuka, Yoshitake Suzuki, Yu Seok Yang, Shuo-Hsien Cheng, Ayataka Endo, Keiro Nasu, Tsang Ping Kuen
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11542260
    Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: January 3, 2023
    Assignee: KYULUX, INC.
    Inventors: Shuo-Hsien Cheng, Yu Seok Yang, Yoshitake Suzuki, Hayato Kakizoe, Ayataka Endo, Jorge Aguilera-Iparraguirre, Timothy D. Hirzel
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11498914
    Abstract: The present disclosure relates to compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: November 15, 2022
    Assignee: KYULUX, INC.
    Inventors: Yoshitake Suzuki, Shuo-Hsien Cheng, Naoto Notsuka, Yu Seok Yang, Jorge Aguilera-Iparraguirre
  • COMPOSITION OF MATTER FOR USE IN ORGANIC LIGHT-EMITTING DIODES
    Publication number: 20220340545
    Abstract: The present disclosure relates to compounds of Formula I) as useful materials for OLED's. X1, X2 and X3 are N or C(R5); Ar1 and Ar2 are aryl, heteroaryl or cyano; L1 is single bond, arylene or heteroarylene; and R1, R2, R3 and R4 are diarylamino, carbazolyl, heteroaryl, H or alkyl.
    Type: Application
    Filed: September 8, 2020
    Publication date: October 27, 2022
    Inventors: Yong Joo CHO, Kaori FUJISAWA, Yoshitake SUZUKI, Masataka YAMASHITA, Shuo-Hsien CHENG, YuSeok YANG, Hiroaki OZAWA, Hayato KAKIZOE, Yu INADA, Ayataka ENDO
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11447473
    Abstract: The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. X is C(R)2, O, S or —N(Ph); at least one of A1 and A2 is CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and at least one of D1, D2, D3 and D4 is diarylamino.
    Type: Grant
    Filed: September 6, 2019
    Date of Patent: September 20, 2022
    Assignee: KYULUX, INC.
    Inventors: Jorge Aguilera-Iparraguirre, Yoshitake Suzuki, Shuo-Hsien Cheng, YuSeok Yang
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11440901
    Abstract: The present disclosure relates to compounds of Formula (1) as useful materials for OLEDs. A is CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and D1, D2 and D3 are diarylamino or carbazolyl.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 13, 2022
    Assignee: KYULUX, INC.
    Inventors: YuSeok Yang, Yong Joo Cho, Yoshitake Suzuki, Shuo-Hsien Cheng, Jorge Aguilera-Iparraguirre
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11444250
    Abstract: The present disclosure relates to compounds of Formula (I) as compounds capable of emitting delayed fluorescence, and uses of the compounds in organic light-emitting diodes.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: September 13, 2022
    Assignee: KYULUX, INC.
    Inventors: Yoshitake Suzuki, Shuo-Hsien Cheng, Yu Seok Yang, Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel
  • Composition of matter for use in organic light-emitting diodes
    Patent number: 11283027
    Abstract: The present disclosure relates to compounds of formula (I) as compounds capable of emitting delayed fluorescence and uses of these compounds in organic light-emitting diodes.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: March 22, 2022
    Assignee: Kyulux, Inc.
    Inventors: Yoshitake Suzuki, Yu Seok Yang, Shuo-Hsien Cheng, Naoto Notsuka, Ayataka Endo, Keiro Nasu, Tsang Ping Kuen Daniel, Jorge Aguilera-Iparraguirre, Rafael Gomez-Bombarelli, Timothy D. Hirzel
  • COMPOSITION OF MATTER FOR USE IN ORGANIC LIGHT-EMITTING DIODES
    Publication number: 20210305517
    Abstract: The present disclosure relates to compounds of Formula (I) as useful materials for OLED's. At least two of Z1, Z2, Z3, Z4 and Z5 are CN, cyanoaryl, or heteroaryl having at least one nitrogen atom as a ring-constituting atom; and at least two of R1, R2, R3 and R4 are diarylamino, indolyl or carbazolyl.
    Type: Application
    Filed: October 8, 2019
    Publication date: September 30, 2021
    Inventors: Yoshitake SUZUKI, Shuo-Hsien CHENG, Kaori FUJISAWA, YuSeok YANG, Jorge AGUILERA-IPARRAGUIRRE, Hayato KAKIZOE, Ayataka ENDO