Patents by Inventor Kiyoshi Ikeda

Kiyoshi Ikeda 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).

  • Patent number: 11941991
    Abstract: According to one embodiment, a platooning operation system organizes a platoon by making a plurality of vehicles cooperate. The platooning operation system includes an application acceptance processor and a platoon organization processor. The application acceptance processor accepts an application of a vehicle for admission to the platoon. The platoon organization processor which selects a platoon to which the vehicle is to be admitted or determines possibility of admission of the vehicle to the platoon, based on at least one of information on a driver driving the vehicle and information on the vehicle.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: March 26, 2024
    Assignee: TOSHIBA DIGITAL SOLUTIONS CORPORATION
    Inventors: Megumi Kobayashi, Yasuto Hatafuku, Hideki Kubo, Motokazu Iwasaki, Yoko Ikeda, Shinsuke Iuchi, Kiyoshi Takemoto, Kaori Kitami, Keishi Higashi, Tatsuki Shiraishi, Michiyo Sato, Masaru Watabiki
  • Publication number: 20220324804
    Abstract: To provide a compound for further improving the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device, and to provide a compound represented by the following formula (1) or formula (2) (wherein each symbol in each formula is as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.
    Type: Application
    Filed: March 30, 2022
    Publication date: October 13, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Tasuku HAKETA, Kiyoshi IKEDA, Shota TANAKA, Yusuke TAKAHASHI, Takuto FUKAMI, Tsukasa SAWATO
  • Patent number: 11271171
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1); and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: March 8, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 11264576
    Abstract: Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: March 1, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Kei Yoshida, Kiyoshi Ikeda, Masahiro Kawamura
  • Patent number: 10831027
    Abstract: There is provided a display device including a display unit that displays an image thereon, an optical unit that projects a display image of the display unit on the eyes of a user, a correction information retaining unit that retains correction information created in advance according to a state of the user, and a distortion correction unit that corrects distortion of the display image based on correction information according to a current state of the user.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: November 10, 2020
    Assignee: SONY CORPORATION
    Inventors: Kiyoshi Ikeda, Ken Tamayama, Masayuki Shimizu
  • Patent number: 10763442
    Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: September 1, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takashi Kashiwamura, Kiyoshi Ikeda, Hironori Kawakami, Masahiro Kawamura
  • Patent number: 10538514
    Abstract: A compound has a first structure represented by a formula (1), a second structure represented by a formula (2), a third structure represented by a formula (3), and a fourth structure represented by a formula (4), the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule,
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: January 21, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Taro Yamaki, Kiyoshi Ikeda, Takashi Kashiwamura, Hironori Kawakami
  • Publication number: 20200013963
    Abstract: Specifically substituted ladder type compounds of formula (I) wherein A is formula (II) a material for an organic electroluminescence device comprising at least one compound of formula (I), and an organic electroluminescence device which comprises one or more organic thin film layers including an emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers comprises at least one compound of formula (I).
    Type: Application
    Filed: December 19, 2017
    Publication date: January 9, 2020
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Kei YOSHIDA, Kiyoshi IKEDA, Masahiro KAWAMURA
  • Patent number: 10356375
    Abstract: Provided is a display device including an image display unit configured to display an image with a plurality of pixels arranged on a display surface, an eyepiece optical unit configured to project the display surface of the image display unit in a manner that a predetermined angle of view is obtained, and an image correction unit configured to correct a display image on the display surface at a position of each of representative pixels which are discretely located on the display surface, on the basis of distortion generated due to the eyepiece optical unit.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: July 16, 2019
    Assignee: Sony Corporation
    Inventors: Ken Tamayama, Akira Fujinawa, Masayuki Shimizu, Kiyoshi Ikeda
  • Publication number: 20190148649
    Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takashi KASHIWAMURA, Kiyoshi Ikeda, Hironori Kawakami, Masahiro Kawamura
  • Patent number: 10290815
    Abstract: A composition or a compound suitable for use in forming the layer of organic EL device by a coating method, a material for organic electroluminescence devices including the composition or the compound, an ink composition including the composition or the compound, an organic electroluminescence device employing the composition or the compound, and an electronic device including the organic electroluminescence device are provided. The compound includes a nitrogen-containing hetero aromatic hydrocarbon group which has a substituent with a specific structure. The composition includes the compound.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: May 14, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Taro Yamaki, Kiyoshi Ikeda, Hironori Kawakami
  • Patent number: 10276637
    Abstract: An organic EL multi-color emitting device including a substrate, and a first light-emitting element and a second light-emitting element arranged on the surface of the substrate; the first light-emitting element including, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the second light-emitting element including, between an anode and a cathode, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the first organic layer including a first light-emitting dopant; the third organic layer including a second light-emitting dopant; the second organic layer including any of (A) a compound including an arylamine site, and a furan site or a thiophene site, (B) a compound including an arylamine site and a site comprising a nitrogen-containing six-membered ring structure, (C) a compound including a carbazole site,
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: April 30, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Toshiki Matsumoto, Tadahiko Yoshinaga, Tomoki Kato, Tetsuya Inoue, Mitsunori Ito, Kei Yoshida, Kiyoshi Ikeda, Mitsuru Eida
  • Patent number: 10217945
    Abstract: A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CR0 or N; R0 to R8 each independently represent a hydrogen atom or a substituent; at least one selected from R0 to R8 represents a substituent other than hydrogen atom; and groups selected from R0 to R8 which are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: February 26, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takashi Kashiwamura, Kiyoshi Ikeda, Hironori Kawakami, Masahiro Kawamura
  • Patent number: 10193077
    Abstract: A biscarbazole derivative of the invention is represented by a formula (1) below. In the formula (1): A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: January 29, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kei Yoshida, Kumiko Hibino, Kazuki Nishimura, Toshinari Ogiwara, Kiyoshi Ikeda
  • Patent number: 10147888
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Hibino, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10147889
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10038881
    Abstract: Provided is a display device including an image display unit configured to display an image with a plurality of pixels arranged on a display surface, an eyepiece optical unit configured to project the display surface of the image display unit in a manner that a predetermined angle of view is obtained, and an image correction unit configured to correct a display image on the display surface at a position of each of representative pixels which are discretely located on the display surface, on the basis of distortion generated due to the eyepiece optical unit.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: July 31, 2018
    Assignee: Sony Corporation
    Inventors: Ken Tamayama, Akira Fujinawa, Masayuki Shimizu, Kiyoshi Ikeda
  • Patent number: 10038143
    Abstract: Provided are a polymer compound, which comprises a copolymer containing at least a unit B, and a unit A and/or a unit C referring to repeating units A, B and C, and which has a weight-average molecular weight of from 50,000 to 1,500,000; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; an organic electroluminescent device having an anode, a cathode and an organic thin film layer, wherein at least one organic thin film layer contains the polymer compound; a coating liquid containing the polymer compound and a solvent; and a method for producing an organic electroluminescent device using the coating liquid. Also provided is a polymer compound suitable to a coating method; a material for electronic devices and a material for organic electroluminescent devices comprising the compound; and an organic EL device, a coating liquid and a method for producing an organic EL device using the compound.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: July 31, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hidetoshi Ono, Hironori Kawakami, Shigeru Matsuo, Kiyoshi Ikeda, Masahide Matsuura, Akinori Yomogita, Mitsunori Ito
  • Publication number: 20180213197
    Abstract: Provided is a display device including an image display unit configured to display an image with a plurality of pixels arranged on a display surface, an eyepiece optical unit configured to project the display surface of the image display unit in a manner that a predetermined angle of view is obtained, and an image correction unit configured to correct a display image on the display surface at a position of each of representative pixels which are discretely located on the display surface, on the basis of distortion generated due to the eyepiece optical unit.
    Type: Application
    Filed: March 23, 2018
    Publication date: July 26, 2018
    Applicant: Sony Corporation
    Inventors: Ken Tamayama, Akira Fujinawa, Masayuki Shimizu, Kiyoshi Ikeda
  • Patent number: 10032991
    Abstract: A compound represented by formula (1): wherein *a, *b, R1, X1, L1, L2, n, A1, and A2 are as defined in the description, and a production method of the compound represented by formula (1) are provide. In the production method, A1 is introduced under a reaction condition in which the reactivity of Hal2 in a compound represented by formula (I): wherein *c, *d, R1, X1, L1, L2, n, A1, A2, Hal1, and Hal2 are as defined in the description, is extremely low as compared with that of Hal1 and then A2 which is different from A1 is introduced under a reaction condition in which the reactivity of Hal2 is high. The compound represented by formula (1) is formed into a layer by a coating method and meets various performance requirements of an organic EL device.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: July 24, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Hironori Kawakami