Patents by Inventor Tetsuya Kosuge

Tetsuya Kosuge 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: 9178161
    Abstract: There is provided a benzo[c]phenanthrene compound represented by formula [1]: wherein R1 to R10 are each independently selected from a hydrogen atom, an alkyl group, an alkoxy group, an aromatic hydrocarbon group, and a heteroaromatic group; n represents an integer of 1 to 3, when n represents 2 or more, R1's in different benzo[c]phenanthrene rings may be the same or different, and the same is true for R2's to R10's in different benzo[c]phenanthrene rings; Ar represents an n-valent substituent and represents an aromatic hydrocarbon group or a heteroaromatic group, or Ar may represent a single bond when n represents 2.
    Type: Grant
    Filed: November 11, 2010
    Date of Patent: November 3, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Hiroyuki Tomono
  • Publication number: 20150311441
    Abstract: A metal complex compound is expressed by the following general formula [1]: In general formula [1], M represents sodium or potassium. R1 to R16 each represent a hydrogen atom or a substituent.
    Type: Application
    Filed: April 20, 2015
    Publication date: October 29, 2015
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Publication number: 20150303386
    Abstract: Provided is an organic light-emitting device improved in emission efficiency and lifetime. The organic light-emitting device includes a pair of electrodes and an organic compound layer disposed between the pair of electrodes, in which: the organic compound layer includes a benzo[f]isoquinoline iridium complex of a specific structure and a hydrocarbon compound of a specific structure; and the hydrocarbon compound is a compound formed only of an SP2 carbon atom and a hydrogen atom.
    Type: Application
    Filed: December 25, 2013
    Publication date: October 22, 2015
    Inventors: Kengo Kishino, Akihito Saitoh, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Shigemoto Abe, Yosuke Nishide, Hirokazu Miyashita
  • Publication number: 20150295188
    Abstract: Provided is an organic light-emitting element improved in luminous efficiency and lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a heterocycle-containing compound of a specific structure.
    Type: Application
    Filed: December 24, 2013
    Publication date: October 15, 2015
    Inventors: Tetsuya Kosuge, Yosuke Nishide, Hirokazu Miyashita, Shigemoto Abe, Takayuki Horiuchi, Naoki Yamada, Jun Kamatani, Akihito Saitoh, Kengo Kishino
  • Publication number: 20150280175
    Abstract: This invention provides a method for manufacturing an organic light emitting element in which damages to members constituting the organic light emitting element are suppressed and a protective layer with few defects is formed by performing cleaning with liquid containing water. The manufacturing method according to this invention is a method for manufacturing an organic light emitting element including a process of preparing a lower electrode, a process of forming an organic compound layer on the lower electrode, a process of forming an upper electrode on the organic compound layer; and a process of forming a first protective layer on the upper electrode, in which the method includes, after the process of forming the organic compound layer, a process of cleaning at least one of the organic compound layer, the upper electrode, and the first protective layer with liquid containing water.
    Type: Application
    Filed: March 25, 2015
    Publication date: October 1, 2015
    Inventors: Takayuki Ito, Itaru Takaya, Seiji Mashimo, Koji Ishizuya, Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Publication number: 20150255727
    Abstract: The present invention provides an indeno[1,2-b]phenanthrene compound having suppressed hole transport ability. The indeno[1,2-b]phenanthrene compound represented by the general formula [1] described in Claim 1 is provided. In the formula [1], R1 and R2 each represent a hydrogen atom or an alkyl group. X1 and X2 each represent a substituent selected from the group consisting of a hydrogen atom, an alkyl group, a methoxy group, and a cyano group. A1 represents a monovalent or a divalent aromatic hydrocarbon group. A2 represents a monovalent or a divalent aromatic hydrocarbon group or a monovalent or a divalent heteroaromatic group. n represents an integer of 0 to 4. When n is 2 or more, a plurality of A2 may be identical to or different from each other.
    Type: Application
    Filed: September 10, 2013
    Publication date: September 10, 2015
    Inventors: Tetsuya Kosuge, Naoki Yamada, Jun Kamatani, Kengo Kishino
  • Patent number: 9130173
    Abstract: Provided is an excellent organic light emitting element having high emission efficiency and a low drive voltage. The organic light emitting element includes an anode, a cathode, and an organic compound layer disposed between the anode and the cathode, in which the organic compound layer includes a quinolino[3,2,1-kl]phenoxazine compound represented by the following general formula [1]: where R1 to R4 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R1 to R4 may be identical to or different from each other, and Ar represents a single bond or an oligophenylene group having 6 to 18 carbon atoms.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: September 8, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigemoto Abe, Tetsuya Kosuge, Jun Kamatani, Kengo Kishino
  • Publication number: 20150214483
    Abstract: Provided is an organic light emitting element that can be driven at a low constant voltage, exhibits high luminous efficiency, and has an excellent lifetime characteristic. The organic light emitting element includes: a pair of electrodes; and an organic compound layer arranged between the pair of electrodes, in which a layer to be brought into contact with one of the pair of electrodes in the organic compound layer contains a lithium complex compound represented by the following general formula: in the formula [1], R1 to R16 each independently represent a hydrogen atom, a halogen atom, a cyano group, an alkyl group that may be substituted with fluorine, an alkoxy group that may be substituted with fluorine, or a substituted or unsubstituted aryl group.
    Type: Application
    Filed: January 16, 2015
    Publication date: July 30, 2015
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Hirokazu Miyashita
  • Publication number: 20150162549
    Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode, and the organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer, and touches the cathode. The organic compound layer contains an organic compound represented by the following general formula [1], where R1 to R4 represent substituents.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 11, 2015
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Publication number: 20150162545
    Abstract: An organic light emitting element contains an anode and a cathode, and a light emitting layer arranged between the anode and the cathode. The organic light emitting element further contains an organic compound layer which is arranged between the cathode and the light emitting layer and touches the cathode. The organic compound layer contains a bisimidazolidene compound represented by the following general formula [1], where R1 to R12 represent substituents.
    Type: Application
    Filed: December 4, 2014
    Publication date: June 11, 2015
    Inventors: Jun Kamatani, Tetsuya Kosuge, Masumi Itabashi, Yosuke Nishide, Hirokazu Miyashita, Naoki Yamada
  • Patent number: 9051232
    Abstract: Provided is an organic light emitting device having high light emitting efficiency and good emission color purity. The organic light emitting device includes an anode, a cathode, and an organic compound layer which is sandwiched between the anode and the cathode, in which one of the anode and the cathode is transparent or semi-transparent and the organic compound layer contains at least one kind of perylene compound represented by the following general formula (1): where R1 to R8 each represent a hydrogen atom or a substituted or unsubstituted alkyl group; and Ar1 to Ar4 each represent a substituent represented by the following general formula (2) or (3).
    Type: Grant
    Filed: November 27, 2009
    Date of Patent: June 9, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Satoshi Igawa
  • Patent number: 8963813
    Abstract: An organic compound contains indacenodiperylene as the basic skeleton.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: February 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita, Akihito Saitoh
  • Patent number: 8859112
    Abstract: An organic compound represented by the following general formula [1] is provided. In the general formula [1], R1 to R3 are each independently selected from the group consisting of a hydrogen atom, a fluorine group, an alkyl group having 1 to 4 carbon atoms, and an aryl group, the aryl group is a phenyl group, a biphenyl group, or a terphenyl group, the aryl group may further include an alkyl group having 1 to 4 carbon atoms and/or a fluorine group as a substituent, and R4 to R17 are each independently selected from the group consisting of a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, and a fluorine group.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: October 14, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yosuke Nishide, Taiki Watanabe, Tetsuya Kosuge, Naoki Yamada, Akihito Saitoh
  • Patent number: 8841004
    Abstract: The present invention provides a novel binaphthyl compound and an organic light emitting element having a good light emitting efficiency and a high durability at a low driving voltage.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: September 23, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Shigemoto Abe, Ryota Ooishi, Kengo Kishino
  • Publication number: 20140264312
    Abstract: The present invention relates to a novel stable benzo[h]hexaphene compound and an organic light-emitting device including the compound. The present invention provides a benzo[h]hexaphene shown in Claim 1.
    Type: Application
    Filed: October 2, 2012
    Publication date: September 18, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hirokazu Miyashita, Jun Kamatani, Tetsuya Kosuge, Akihito Saitoh
  • Patent number: 8829502
    Abstract: A condensed polycyclic compound which emits green light and which has a high chemical stability and an organic light emitting element including the same are provided. A condensed polycyclic compound represented by the general formula [1] or [2] described in claim 1 is provided. In the formula [1] and [2], R1 to R10 are independently selected from the group consisting of a hydrogen atom, a straight or branched alkyl group having 1 to 4 carbon atoms, and a substituted or unsubstituted aromatic hydrocarbon group having 6 to 22 carbon atoms.
    Type: Grant
    Filed: August 21, 2012
    Date of Patent: September 9, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Kenichi Ikari
  • Patent number: 8771842
    Abstract: The present invention provides a benzo[b]chrysene compound represented by general formula [1] below and an organic light-emitting element including the compound. In the general formula [1], Ar represents a substituted or unsubstituted aromatic hydrocarbon group, and R1 to R4 are each independently selected from the group consisting of a hydrogen atom, substituted or unsubstituted alkyl groups, and substituted or unsubstituted aromatic hydrocarbon groups.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: July 8, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Kengo Kishino, Hiroyuki Tomono
  • Patent number: 8729541
    Abstract: The present invention provides an organic light emitting device having high light emission efficiency.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: May 20, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Hiroyuki Tomono
  • Patent number: 8586207
    Abstract: Provided are a fused polycyclic compound obtained by expanding the conjugated system of a chrysene skeleton, and an organic light emitting device using the compound. The organic light emitting device has an optical output with high efficiency and high luminance, and is extremely durable.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: November 19, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Horiuchi, Jun Kamatani, Satoshi Igawa, Naoki Yamada, Masashi Hashimoto, Tetsuya Kosuge
  • Patent number: 8580400
    Abstract: Provided are a novel bichrysene compound and an organic light emitting device having high light emitting efficiency and excellent driving durability. The organic light emitting device includes an anode, a cathode, and a layer formed of an organic compound interposed between the anode and the cathode. The layer formed of an organic compound has a bichrysene compound represented by the following general formula (1).
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: November 12, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuya Kosuge, Jun Kamatani, Yosuke Nishide, Kengo Kishino