Patents by Inventor Yu Kudo

Yu Kudo 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).

  • Publication number: 20220246857
    Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1) wherein X1, X2, X3, L, R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.
    Type: Application
    Filed: May 29, 2020
    Publication date: August 4, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yusuke TAKAHASHI, Tasuku HAKETA, Hirokatsu ITO, Yu KUDO
  • Publication number: 20220045272
    Abstract: The present invention relates to a compound represented by the formula (1): wherein R1 to R4 and L1 to L4 are those defined in the specification, and Ar is the following formula (A) or (B): wherein R11 to R18 and R20 to R29 are those defined in the specification, and Ar is one defined in the specification.
    Type: Application
    Filed: December 3, 2019
    Publication date: February 10, 2022
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Hirokatsu ITO, Yu KUDO
  • Publication number: 20210253546
    Abstract: Provided is an organic electroluminescent element comprising a compound that is represented by formula (1) and having a more improved lifetime. (In the formula, X, R1-R8, R11-R17, R21-R30, L1, L2, n, and Ar1-Ar3 are as defined in the description.
    Type: Application
    Filed: May 10, 2019
    Publication date: August 19, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hirokatsu ITO, Tasuku HAKETA, Yu KUDO
  • Patent number: 11053229
    Abstract: A compound represented by formula (1): wherein R1 to R7, R11 to R18, L1 to L3, a to c, n, and Ar are as defined in the description, provides an organic electroluminescence device having an emission efficiency and a device lifetime further improved.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: July 6, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu Ito, Tasuku Haketa, Yu Kudo, Yumiko Mizuki
  • Patent number: 11053437
    Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1); wherein N*, Ar, *a, R11 to R15, R21 to R27, R31 to R37, R41 to R45, and R51 to R55 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: July 6, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu Kudo, Tasuku Haketa, Hirokatsu Ito, Yusuke Takahashi
  • Publication number: 20210094937
    Abstract: A compound represented by formula (1) provides an organic electroluminescence device having lifetime further improved: wherein R1 to R9, R11 to R18, R21 to R27, Ar, L1, L2, and L3 are as defined in the description.
    Type: Application
    Filed: March 25, 2019
    Publication date: April 1, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Hirokatsu ITO, Tasuku HAKETA, Yu KUDO
  • Patent number: 10941144
    Abstract: A compound represented by formula (1): wherein R1 to R8, R12 to R18, R21 to R25, R31 to R48, L1 to L3, and Ar are as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: March 9, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo
  • Publication number: 20210062082
    Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1); wherein N*, Ar, *a, R11 to R15, R21 to R27, R31 to R37, R41 to R45, and R51 to R55 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu KUDO, Tasuku HAKETA, Hirokatsu ITO, Yusuke TAKAHASHI
  • Publication number: 20210066611
    Abstract: A compound that is capable of achieving an organic EL device that has a high external quantum efficiency and a long lifetime is to be provided, and a compound represented by the following formula (1) is used (wherein in the formula, R11 to R17, R21 to R28, R31 to R38, R41 to R45, R51 to R55, R61 to R64, and L1 are defined in the description).
    Type: Application
    Filed: January 28, 2019
    Publication date: March 4, 2021
    Applicant: IDEMITSU KOSAN CO,. LTD.
    Inventors: Hirokatsu ITO, Tasuku HAKETA, Yu KUDO
  • Publication number: 20200392122
    Abstract: A compound represented by formula (1): wherein R1 to R7, R11 to R18, L1 to L3, a to c, n, and Ar are as defined in the description, provides an organic electroluminescence device having an emission efficiency and a device lifetime further improved.
    Type: Application
    Filed: March 7, 2018
    Publication date: December 17, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu ITO, Tasuku HAKETA, Yu KUDO, Yumiko MIZUKI
  • Patent number: 10840456
    Abstract: A compound represented by formula (1): wherein each symbol is as defined in the specification, provides a high performance organic electroluminescence device which comprises a cathode, an anode and an organic layer between the cathode and the anode, wherein the organic layer comprises a light emitting layer and at least one layer of the organic layer comprises the compound.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 17, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo
  • Publication number: 20200317653
    Abstract: An organic electroluminescence device having an improved performance and a compound represented by formula (1), which is a novel material that enables the organic electroluminescence device: wherein, X, Ar1 to Ar5, R1 to R20, *a, and *b are the same as those defined in the specification.
    Type: Application
    Filed: May 22, 2020
    Publication date: October 8, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu Ito, Tasuku Haketa, Yu Kudo, Yusuke Takahashi
  • Publication number: 20200290985
    Abstract: A compound represented by formula (A): wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.
    Type: Application
    Filed: May 1, 2020
    Publication date: September 17, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu KUDO, Tasuku Haketa, Hirokatsu Ito
  • Patent number: 10703762
    Abstract: A compound represented by the following formula (1):
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: July 7, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yu Kudo, Yumiko Mizuki, Masahiro Kawamura, Tomoki Kato, Hirokatsu Ito, Tasuku Haketa, Yuichi Nishimae, Annemarie Wolleb
  • Patent number: 10610965
    Abstract: A laser processing apparatus includes a laser beam applying unit. The laser beam applying unit includes a laser oscillator for oscillating a laser beam, a focusing lens for focusing the laser beam to apply the laser beam to a wafer, a first optical path changing part, a second optical path changing part, and a controller. The first optical path changing part has a pair of first-axis resonant scanners which are disposed on the downstream side with respect to the propagating direction of the laser beam oscillated from the laser oscillator and which change the optical path of the laser beam into a Y-axis direction. The second optical path changing part has a pair of second-axis resonant scanners which are disposed between the first optical path changing part and the focusing lens and which change the optical path of the laser beam into an X-axis direction.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: April 7, 2020
    Assignee: DISCO CORPORATION
    Inventors: Yu Kudo, Keiji Nomaru
  • Patent number: 10547007
    Abstract: A compound represented by formula (1): wherein Ar is a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted nitrogen-comprising heteroaryl group having 5 to 30 ring atoms; each of L1 and L2 is independently a single bond, a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, or a substituted or unsubstituted divalent linking group wherein 2 to 4 groups selected from an arylene group having 6 to 30 ring carbon atoms and a heteroarylene group having 5 to 30 ring atoms are bonded to each other via a single bond; A is a monovalent group represented by formula (2); and B is a monovalent group represented by formula (5): wherein R1 to R10 and R21 to R30 are as defined in the description, enables the emission of light of a purer blue (shorter wavelength), a narrower half width (hig
    Type: Grant
    Filed: October 8, 2015
    Date of Patent: January 28, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo, Masahiro Kawamura, Ryota Takahashi
  • Publication number: 20200024263
    Abstract: A novel compound represented by formula (1): wherein R1 to R7, R11 to R18, L1 to L3, a to c, n, and Ar are as defined in the description, provides an organic electroluminescence device having a device lifetime further improved.
    Type: Application
    Filed: March 8, 2018
    Publication date: January 23, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hirokatsu ITO, Tasuku HAKETA, Yu KUDO
  • Patent number: 10424740
    Abstract: A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: September 24, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku Haketa, Hirokatsu Ito, Yu Kudo
  • Publication number: 20190248517
    Abstract: An exploration method includes: a step of exploring a natural resource on a satellite, a minor planet, or a planet; a step of acquiring the natural resource detected by the exploration; and a step of storing the acquired natural resource.
    Type: Application
    Filed: August 8, 2016
    Publication date: August 15, 2019
    Inventors: Takeshi HAKAMADA, Takahiro NAKAMURA, John WALKER, Toshiro SHIMIZU, Toshiki TANAKA, Daisuke FURUTOMO, Yu KUDO, Kiyona MIYAMOTO, Daishi MATSUKURA, Mohamed RAGAB, Abdelkader HAOUCHINE, Damien HAIKAL, Chit Hong YAM, Julian Jakub GRAMATYKA
  • Publication number: 20190088879
    Abstract: A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.
    Type: Application
    Filed: October 31, 2018
    Publication date: March 21, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tasuku HAKETA, Hirokatsu ITO, Yu KUDO