Patents by Inventor Masashi Hashimoto

Masashi Hashimoto 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: 8283053
    Abstract: To provide a high-performance organic light emitting device and a novel compound possessed by the device. Provided are a novel fluoranthene derivative and an organic light emitting compound having the derivative.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: October 9, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Akihito Saitoh, Naoki Yamada, Satoshi Igawa, Jun Kamatani, Takao Takiguchi, Shinjiro Okada
  • Publication number: 20120248427
    Abstract: The present invention provides a novel iridium complex and an organic light-emitting element including the same. The novel iridium complex includes phenylpyrazole as a ligand and has a basic skeleton in which a pyrimidine ring is bonded to a phenyl ring.
    Type: Application
    Filed: November 26, 2010
    Publication date: October 4, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chiaki Nishiura, Shigemoto Abe, Masashi Hashimoto, Hiroya Nitta
  • Publication number: 20120242255
    Abstract: There is provided a new iridium complex including phenylpyridine as a ligand, the iridium complex having a basic skeleton in which a triazine ring is bonded to a phenyl ring.
    Type: Application
    Filed: November 26, 2010
    Publication date: September 27, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Chiaki Nishiura, Shigemoto Abe, Hiroya Nitta, Isao Kawata
  • Publication number: 20120244427
    Abstract: The present invention provides a stable electrolyte material that provides high safety, exhibits favorable ionic conductivity not only at room temperature but also in the low temperature range at or below room temperature, has excellent reduction resistance, and can be suitably used as a material of a lithium ion cell. The electrolyte material includes, as essential components, a specific polymer having an ether bond in a side chain thereof, and a specific electrolyte salt.
    Type: Application
    Filed: December 9, 2010
    Publication date: September 27, 2012
    Applicant: Nippon Shokubai Co., Ltd.
    Inventors: Masashi Hashimoto, Akane Oguro, Naohiko Itayama, Kazuo Takei, Izuho Okada
  • Publication number: 20120235135
    Abstract: There is provided a novel iridium complex having a small half-width of an emission spectrum and an organic light-emitting device that contains the iridium complex. There is provided a novel iridium complex that has a phenyl ring and a pyrazole ring as ligands and that has a basic skeleton in which the phenyl ring is bonded to a triazine ring.
    Type: Application
    Filed: November 26, 2010
    Publication date: September 20, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Shigemoto Abe, Masashi Hashimoto, Chiaki Nishiura, Hiroya Nitta
  • Publication number: 20120235134
    Abstract: A novel iridium complex includes a ligand including a phenyl ring and a pyrazole ring. The phenyl group is bonded to a triazine ring to form a backbone of the novel iridium complex. An organic light-emitting device includes the novel iridium complex.
    Type: Application
    Filed: November 26, 2010
    Publication date: September 20, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Chiaki Nishiura, Masashi Hashimoto, Shigemoto Abe, Hiroya Nitta
  • Publication number: 20120175822
    Abstract: The present invention is to provide a photo-curable transfer sheet suitable for the preparation of an intermediate stamper in a nanoimprint method, in which the mold release properties from a mold having a fine concave-convex pattern used in the preparation of the intermediate stamper and the mold release properties of a cured photo-curable resin that is a product having a fine concave-convex pattern transferred from the intermediate stamper are excellent, and the transfer property of the fine concave-convex pattern is good; and a method for forming a concave-convex pattern by using the above-mentioned photo-curable transfer sheet. The photo-curable transfer sheet 10 having a photo-curable transfer layer 11 comprising a photo-curable composition deformable by application of pressure which comprises a polymer and a reactive diluent having a photopolymerizable functional group, wherein the polymer is an acrylic resin comprising a recurring unit derived from (meth)acrylate having an alicyclic group.
    Type: Application
    Filed: September 16, 2010
    Publication date: July 12, 2012
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Takato Inamiya, Masashi Hashimoto, Eizou Kaida
  • Publication number: 20120168739
    Abstract: Provided is a novel fluorene compound, which is represented by the following general formula (1):
    Type: Application
    Filed: March 8, 2012
    Publication date: July 5, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: JUN KAMATANI, SHINJIRO OKADA, TAKAO TAKIGUCHI, SATOSHI IGAWA, MASASHI HASHIMOTO, MINAKO NAKASU, RYOTA OOISHI
  • Publication number: 20120168737
    Abstract: An organic light-emitting device includes an anode, a cathode, and an organic compound layer including at least a light-emitting sublayer and being arranged between the anode and the cathode, the light-emitting sublayer containing a host serving as a main component, a first dopant, and a second dopant, in which for the host, the first dopant, and the second dopant, the following relationships (a) to (c) hold, whereby only the second dopant emits light: (a) first maximum emission wavelength (H)<first maximum emission wavelength (D1)<first maximum emission wavelength (D2), (b) LUMO (D2)<LUMO (D1)<LUMO (H), and (c) HOMO (D2) is equal to or lower than HOMO (H)<HOMO (D1).
    Type: Application
    Filed: September 21, 2010
    Publication date: July 5, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Tomono, Kengo Kishino, Masashi Hashimoto, Yuko Chishina
  • Patent number: 8158835
    Abstract: Provided is a novel fluorene compound, which is represented by the following general formula (1):
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: April 17, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Shinjiro Okada, Takao Takiguchi, Satoshi Igawa, Masashi Hashimoto, Minako Nakasu, Ryota Ooishi
  • Publication number: 20120085996
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm?1 as calculated from Huang-Rhys factors.
    Type: Application
    Filed: December 19, 2011
    Publication date: April 12, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Hiroyuki Tomono, Kengo Kishino, Masashi Hashimoto, Satoshi Igawa, Keiji Okinaka
  • Patent number: 8147988
    Abstract: A platinum complex is represented by General Formula (1) below. In Formula (1), Pt represents a tetravalent platinum atom. The ring structure A represents a cyclic substituent having a carbon atom that forms a covalent bond with Pt. The ring structure B represents a cyclic substituent having Q that forms a coordination bond with Pt, where Q is a carbon atom, a nitrogen atom, or a phosphorous atom. X1 represents a monovalent-bidentate ligand, and X2 represents a divalent-bidentate ligand.
    Type: Grant
    Filed: October 30, 2008
    Date of Patent: April 3, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada
  • Publication number: 20120075171
    Abstract: An aspect of the present invention provides the dibenzothiophene compound expressed by General Formula 1 in Claim 1. In General Formula 1, R1 is either a hydrogen atom or an unsubstituted phenyl group, and Ar1 is any of phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups. The options for the Ar1 substituents, namely the phenanthrenyl, fluorenyl, triphenylenyl, naphthyl, chrysenyl, and pyrenyl groups, may contain at least one of an alkyl group having one to four carbon atoms and an aryl group as a substituent.
    Type: Application
    Filed: September 14, 2011
    Publication date: March 29, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Jun Kamatani, Kenichi Ikari, Akihito Saitoh
  • Patent number: 8138668
    Abstract: There is provided a benzo[a]fluoranthene compound represented by the following general formula (I): wherein at least one of R14, R15, R16, R20, and R21 represents Rn represented by the following general formula (i), and R11 to R22 none of which is represented by Rn each represent a hydrogen atom, a halogen atom or the like, and R11 to R22 none of which is represented by Rn may be identical to or different from one another; wherein R23, R24, R25, R26, and R27 each represent a hydrogen atom, a halogen atom or the like, and R23, R24, R25, R26, and R27 may be identical to or different from one another, provided that, in at least one pair of adjacent substituents out of R23, R24, R25, and R26, the substituents are bonded to each other to form a ring.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: March 20, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Satoshi Igawa, Masashi Hashimoto, Minako Nakasu, Takayuki Horiuchi, Jun Kamatani, Shinjiro Okada
  • Publication number: 20120056172
    Abstract: There is provided a green-light-emitting device which has a high emission efficiency and a long continuous operational life, and which includes a pair of electrodes including an anode and a cathode; and a layer including an organic compound disposed between the pair of electrodes, wherein the layer includes a first compound represented by the general formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent, independently of one another, a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, or a halogen atom; and a second compound with a pyrene skeleton or a fluorene skeleton having an energy gap larger than an energy gap of the first compound.
    Type: Application
    Filed: November 17, 2011
    Publication date: March 8, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi, Keiji Okinaka
  • Publication number: 20120043535
    Abstract: A novel mono(benzo[k]fluoranthene) compound having a molecular structure containing at least one condensed ring aromatic group which is tricyclic or more at any of 7- to 9-positions of benzo[k]fluoranthene. Also an organic light emitting device including at least a pair of electrodes formed of an anode and a cathode, and a layer formed of an organic compound, the layer being interposed between the pair of electrodes, in which the layer formed of an organic compound contains a compound represented by the following structural formula. An organic light emitting device in which the layer is a light emitting layer.
    Type: Application
    Filed: November 3, 2011
    Publication date: February 23, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Keiji Okinaka, Chika Negishi, Akihito Saitoh, Takao Takiguchi
  • Patent number: 8110824
    Abstract: Provided are a novel benzo[a]fluoranthene compound and an organic light emitting device having extremely good light emitting efficiency, extremely good luminance, and durability. The benzo[a]fluoranthene compound is represented by the following general formula (I): wherein: at least one of R11 to R22 represents Rm represented by the following general formula (i): Rm=—X1—Ar1??(i) wherein X1 represents a substituted or unsubstituted phenylene group, or a substituted or unsubstituted, divalent monocyclic heterocyclic group, and Ar1 represents one of the following groups (a) and (b): (a) a substituted or unsubstituted fused polycyclic group, and (b) a composite substituent formed by combining two or more of a benzene ring, a monocyclic heterocyclic ring, and a fused polycyclic ring, the composite substituent being permitted to have a substituent.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: February 7, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Satoshi Igawa, Masashi Hashimoto, Minako Nakasu, Takayuki Horiuchi, Jun Kamatani, Shinjiro Okada
  • Patent number: 8102116
    Abstract: An organic light-emitting device includes a first electrode, a second electrode, and a light-emitting layer disposed between the first and second electrodes. The light-emitting layer contains an organic compound emitting photoluminescent light with a peak wavelength of 430 to 480 nm. The organic compound has a profile factor of 0.02 or less at a wave number of 1,300 to 1,680 cm?1 as calculated from Huang-Rhys factors.
    Type: Grant
    Filed: December 16, 2009
    Date of Patent: January 24, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Jun Kamatani, Isao Kawata, Naoki Yamada, Akihito Saitoh, Hiroyuki Tomono, Kengo Kishino, Masashi Hashimoto, Satoshi Igawa, Keiji Okinaka
  • Patent number: 8084147
    Abstract: There is provided a green-light-emitting device which has a high emission efficiency and a long continuous operational life, and which includes a pair of electrodes including an anode and a cathode; and a layer including an organic compound disposed between the pair of electrodes, wherein the layer includes a first compound represented by the general formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent, independently of one another, a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, or a halogen atom; and a second compound with a pyrene skeleton or a fluorene skeleton having an energy gap larger than an energy gap of the first compound.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: December 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi, Keiji Okinaka
  • Patent number: 8072136
    Abstract: A novel mono(benzo[k]fluoranthene) compound having a molecular structure containing at least one condensed ring aromatic group which is tricyclic or more at any of 7- to 9-positions of benzo[k]fluoranthene. Also an organic light emitting device including at least a pair of electrodes formed of an anode and a cathode, and a layer formed of an organic compound, the layer being interposed between the pair of electrodes, in which the layer formed of an organic compound contains a compound represented by the following structural formula. An organic light emitting device in which the layer is a light emitting layer.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: December 6, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Igawa, Shinjiro Okada, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Keiji Okinaka, Chika Negishi, Akihito Saitoh, Takao Takiguchi