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: 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
  • 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
  • Patent number: 9923141
    Abstract: A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R)2 or NR. R is independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms or the like, or a single bond used for bonding to another P or L, provided that at least one R contained in (P)a is represented by any one of the following formulas (3) to (7).
    Type: Grant
    Filed: October 16, 2012
    Date of Patent: March 20, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Patent number: 9917273
    Abstract: A polymer including structural units represented by the following formulas (A) and (B). In the formula (A), P is a group derived from a compound represented by the formula (P). L1 is a linkage group. In the formula (B), Q is a group derived from a compound represented by the formula (Q). L2 is a linkage group. In the formula (B), at least one of “c”Qs and “d”L2s includes a cross-linkable group.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: March 13, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Hironori Kawakami, Masami Watanabe, Kiyoshi Ikeda, Masahiro Kawamura, Nobuhiro Yabunouchi, Tomoki Kato
  • Publication number: 20180037574
    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: Application
    Filed: February 12, 2016
    Publication date: February 8, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Taro YAMAKI, Kiyoshi IKEDA, Takashi KASHIWAMURA, Hironori KAWAKAMI
  • Publication number: 20180026203
    Abstract: Organic EL devices with improved performance and electronic devices including the organic EL devices are provided, and compounds represented by formula (1), materials for organic electroluminescence devices, ink compositions which realize the organic EL devices are provided:
    Type: Application
    Filed: February 12, 2016
    Publication date: January 25, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi IKEDA, Hironori KAWAKAMI
  • Patent number: 9847490
    Abstract: Provided are a copolymer having plural repeating units each having a specific structure, and having a weight-average molecular weight of from 100,000 to 3,000,000; a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer; a solution containing the copolymer and a solvent; and an organic electroluminescent device using the material for organic electroluminescent devices. The copolymer has not only charge transporting properties but also solubility and is suitable for forming a film according to a coating method. The present invention provides the copolymer, and a material for organic electronic devices and a material for organic electroluminescent devices containing the copolymer, an organic electroluminescent device, and a solution containing the copolymer.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: December 19, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Akinori Yomogita, Shigeru Matsuo, Hidetoshi Ono, Kiyoshi Ikeda, Hironori Kawakami, Masahide Matsuura, Mitsunori Ito
  • Publication number: 20170315363
    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: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventors: Kiyoshi Ikeda, Ken Tamayama, Masayuki Shimizu
  • Patent number: 9740007
    Abstract: There is provided a display device including a display unit that displays an image thereon, an eyepiece 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: December 26, 2012
    Date of Patent: August 22, 2017
    Assignee: SONY CORPORATION
    Inventors: Kiyoshi Ikeda, Ken Tamayama, Masayuki Shimizu
  • Patent number: 9738675
    Abstract: A diarylethene compound represented by formula (I) wherein, Sg is a monovalent sugar residue formed by removing one hydroxyl group from a sugar compound or a monovalent protected sugar residue formed by removing one hydroxyl group from a sugar compound in which one or more other hydroxyl groups are protected, and wherein the sugar is selected from the group consisting of a six-membered ring sugar, a five-membered ring sugar, cyclitol, and oligosaccharides containing a six-membered ring sugar, a five-membered ring sugar, or cyclitol; U is —(CH2)n—, —CH2—U?—, or —C(?O)— wherein n is an integer of 1 to 5, U? is a C2-C10 branched alkylene group binding to Ar); and Ar is a group represented by formula (A1) or (A2); wherein, X is S, SO2, NR3 in which R3 is a C1-C3 alkyl group, or O, R is C1-C4 alkyl group, R1 and R2 are independently a C1-C3 alkyl group, a is 0 or 1, b is an integer of 0-3, and * represents a bond with U; Y is a hydrogen atom or a halogen atom; and m is an integer of 3 to 5.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: August 22, 2017
    Assignees: RIKKYO EDUCATIONAL CORPORATION, JOSHO GAKUEN EDUCATIONAL FOUNDATION
    Inventors: Hiroaki Tokiwa, Masahiro Irie, Kiyoshi Ikeda, Tadamune Otsubo
  • Patent number: 9705091
    Abstract: An aromatic heterocyclic derivative represented by the following formula (1)-1 or (1)-2: wherein in the formula (1)-1 or (1)-2, A is a substituted or unsubstituted nitrogen-containing heterocyclic group including 2 to 30 ring carbon atoms; B is a substituted or unsubstituted aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted aromatic heterocyclic group including 2 to 30 ring carbon atoms; n is an integer of 2 or more; and Czs are independently an aromatic heterocyclic group including a predetermined structure.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: July 11, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Mitsunori Ito
  • Patent number: 9628766
    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: December 17, 2012
    Date of Patent: April 18, 2017
    Assignee: Sony Corporation
    Inventors: Ken Tamayama, Akira Fujinawa, Masayuki Shimizu, Kiyoshi Ikeda
  • Publication number: 20170062733
    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: Application
    Filed: March 12, 2015
    Publication date: March 2, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Taro YAMAKI, Kiyoshi IKEDA, Hironori KAWAKAMI
  • Publication number: 20170018719
    Abstract: Provided are a compound that is represented by the following general formulae (1) and (2), and has a nitrogen-containing heteroaromatic group substituted with a substituent having a particular structure containing 11 or more benzene rings in one molecule, a material for an organic electroluminescence device containing the compound, an ink composition containing a solvent and the compound, an organic electroluminescence device containing the compound, and an electronic equipment having the organic electroluminescence device mounted thereon.
    Type: Application
    Filed: March 12, 2015
    Publication date: January 19, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hironori KAWAKAMI, Kiyoshi IKEDA, Taro YAMAKI, Takashi KASHIWAMURA
  • Patent number: 9523031
    Abstract: Provided is an organic electroluminescence device having high luminous efficiency, high heat resistance and an extremely long lifetime. The organic electroluminescence device of the present invention includes an organic thin film layer composed of one or more layers containing at least a light emitting layer is interposed between a cathode and an anode. The light emitting layer includes a compound containing a condensed ring and a luminescent metal complex capable of emitting light having a red-based color. It is preferable that the compound containing a condensed ring includes a host material, while the luminescent metal complex capable of emitting light having a red-based color includes a phosphorescent dopant.
    Type: Grant
    Filed: May 6, 2005
    Date of Patent: December 20, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Mitsunori Ito, Takashi Arakane
  • Patent number: 9508939
    Abstract: A compound represented by the following formula (1): wherein in the formula, L1 is a single bond or a linking group, A is a group represented by the following formula (A), B is a group represented by the following formula (B), m is an integer of 1 to 3, and n is an integer of 1 to 4.
    Type: Grant
    Filed: July 23, 2014
    Date of Patent: November 29, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi Ikeda, Akinori Yomogita, Masahiro Kawamura, Hidetoshi Ono
  • Publication number: 20160329505
    Abstract: Provided are an organic electroluminescence device having improved performance and an electronic equipment containing the device, and also provided are a compound, a material for organic electroluminescence devices and an ink composition that enable the device and the equipment. The organic electroluminescence device contains a cathode, an anode, and one or more organic tin film layers containing a light emitting layer between the cathode and the anode, wherein at least one layer of the one or more organic thin film layers contains a compound represented by the formula (1) wherein Cz1 is a group represented by the formula (Cz-1), Cz2 is a group represented by the formula (Cz-2), A is a residue of a substituted or unsubstituted, nitrogen-containing aromatic hetero ring having 6 to 30 ring atoms, L1 and L2 each independently represent a substituted or unsubstituted arylene group having 6 to 60 ring carbon atoms, and n1 and n2 each are independently an integer of 0 to 4.
    Type: Application
    Filed: December 16, 2014
    Publication date: November 10, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kiyoshi IKEDA, Hironori KAWAKAMI, Taro YAMAKI
  • Publication number: 20160268517
    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: Application
    Filed: May 26, 2016
    Publication date: September 15, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya INOUE, Mitsunori ITO, Kumiko HIBINO, Kazuki NISHIMURA, Kiyoshi IKEDA
  • Publication number: 20160255317
    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: May 10, 2016
    Publication date: September 1, 2016
    Applicant: Sony Corporation
    Inventors: Ken Tamayama, Akira Fujinawa, Masayuki Shimizu, Kiyoshi Ikeda