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).

  • PHOTO-CURABLE TRANSFER SHEET AND METHOD FOR FORMING CONCAVE-CONVEX PATTERN USING THE SAME
    Publication number: 20110278772
    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 peeling property from a mold having a fine concave-convex pattern used in the preparation of the intermediate stamper and the peeling property 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 adhesion to a base film is good; and a method for forming a concave-convex pattern by using the above-mentioned photo-curable transfer sheet.
    Type: Application
    Filed: January 8, 2010
    Publication date: November 17, 2011
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Takato Inamiya, Masashi Hashimoto, Eizou Kaida
  • NOVEL FUSED POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT
    Publication number: 20110260151
    Abstract: A fused polycyclic compound is represented by general formula [1]: wherein at least one of R1 to R16 is selected from a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group which may have a substituent, and a heterocyclic group which may have a substituent. An organic light-emitting element includes the fused polycyclic compound.
    Type: Application
    Filed: November 25, 2009
    Publication date: October 27, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Yuko Chishina, Kengo Kishino, Satoshi Igawa
  • DIACENAPHTHO[1,2-b:1',2'-k]CHRYSENE DERIVATIVE
    Publication number: 20110251446
    Abstract: A novel diacenaphtho[1,2-b:1?,2?-k]chrysene derivative is provided.
    Type: Application
    Filed: December 16, 2009
    Publication date: October 13, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Jun Kamatani, Masashi Hashimoto, Naoki Yamada, Akihito Saitoh
  • Fluorene derivative and organic electroluminescence device using the same
    Patent number: 8034464
    Abstract: A fluorene derivative represented by the following structural formula. An organic electroluminescence device including a pair of electrodes, and at least one layer containing an organic compound interposed between the pair of the electrodes. The at least one layer containing the organic compound contains the fluorene derivative. The layer containing the fluorene derivative serves as a light-emitting layer.
    Type: Grant
    Filed: March 14, 2007
    Date of Patent: October 11, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Igawa, Shinjiro Okada, Takao Takiguchi, Masashi Hashimoto, Naoki Yamada
  • Compound and organic light emitting device
    Patent number: 8026664
    Abstract: To provide a novel fluoranthene derivative and an organic light emitting device having the fluoranthene derivative.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: September 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
  • FUSED RING AROMATIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING SAME
    Publication number: 20110204352
    Abstract: There are provided a novel fused ring aromatic compound and an organic light-emitting device which has an optical output with extremely high efficiency and luminance, and also has extremely high durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, wherein the layer comprises a fused ring aromatic 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.
    Type: Application
    Filed: April 22, 2011
    Publication date: August 25, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi, Keiji Okinaka
  • Organic light emitting device
    Patent number: 7998597
    Abstract: To provide an organic light emitting device having high efficiency and high luminance by making a contrivance to suppress the leakage of an electron or of an exciton, an organic light emitting device of the present invention includes two hole transporting layers having tertiary amine compounds different from each other in structure.
    Type: Grant
    Filed: April 19, 2007
    Date of Patent: August 16, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Keiji Okinaka, Satoshi Igawa, Jun Kamatani, Naoki Yamada, Masashi Hashimoto, Masanori Muratsubaki, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada, Minako Nakasu
  • FUSED POLYCYCLIC COMPOUNDS AND ORGANIC LIGHT-EMITTING DEVICE USING THE SAME
    Publication number: 20110175077
    Abstract: A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
    Type: Application
    Filed: April 1, 2011
    Publication date: July 21, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Minako Nakasu, Satoshi Igawa, Masashi Hashimoto
  • Naphthalene compound and organic light-emitting device using the compound
    Patent number: 7981525
    Abstract: There is provided an organic light-emitting device having an optical output with a high efficiency and a high luminance, and having good durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains a naphthalene compound represented by the general formula (1): wherein Ar1's each represent a substituted or unsubstituted fused ring aromatic hydrocarbon group having four or more rings.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: July 19, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Hironobu Iwawaki, Satoshi Igawa, Takao Takiguchi, Shinjiro Okada
  • Organic luminescent device and benzo[k]fluoranthene compound
    Patent number: 7977869
    Abstract: An organic luminescent device having organic-compound layers is provided which takes on luminous hues with very good purity and has optical power with high efficiency, high luminance and a long life. At least one of the organic-compound layers contains a benzo[k]fluoranthene compound represented by the following general formula (1): wherein R1 is a group selected from the group consisting of alkyl, aralkyl and a heterocyclic group which may be substituted, and R1's may be the same or different; R10 to R20 are each independently a group selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, phenyl, a condensed bicyclic aromatic group and a heterocyclic group which may be substituted; and a is an integer of 0 or more to 9 or less.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: July 12, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Saitoh, Masanori Muratsubaki, Satoshi Igawa, Hiroki Ohrui, Chika Negishi, Masashi Hashimoto, Takao Takiguchi, Akihiro Senoo, Shinjiro Okada
  • Metal complex compound, electroluminescent device and display apparatus
    Patent number: 7976958
    Abstract: A novel metal complex compound for an organic EL device is provided which has at least one partial structure represented by the general formula (1): M1L1??(1) in which the partial structure M1L1 is represented by the general formula (2): wherein M1 represents a metal atom selected from Ir, Pt, Rh, and Pd; Y1 represents an alkylene group having 2 to 6 carbon atoms; and at least one of hydrogen atoms directly bonded to the carbon atoms forming the alkylene group Y1 is substituted with a fluorine atom.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: July 12, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takao Takiguchi, Masashi Hashimoto, Jun Kamatani, Satoshi Igawa, Shinjiro Okada
  • Metal complex, light-emitting device, and display apparatus
    Patent number: 7964292
    Abstract: A metal complex is provided which is used for an organic EL device and an organic light-emitting device which outputs light with high luminance and high efficiency. The metal complex has a structure in which a nitrogen atom in a 6- to 8-membered non-aromatic cyclic group is bonded to a metal atom. The organic light-emitting device includes a pair of electrodes which are an anode and a cathode, and an organic compound layer interposed between the electrodes. The organic compound layer contains the metal complex represented by the following structural formula.
    Type: Grant
    Filed: March 22, 2007
    Date of Patent: June 21, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Takao Takiguchi, Shinjiro Okada
  • Fused ring aromatic compound and organic light-emitting device using same
    Patent number: 7960041
    Abstract: There are provided a novel fused ring aromatic compound and an organic light-emitting device which has an optical output with extremely high efficiency and luminance, and also has extremely high durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, wherein the layer comprises a fused ring aromatic 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.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: June 14, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Igawa, Masashi Hashimoto, Shinjiro Okada, Takao Takiguchi, Keiji Okinaka
  • FUSED POLYCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING THE COMPOUND
    Publication number: 20110127908
    Abstract: Provided is an organic light-emitting device having good durability.
    Type: Application
    Filed: July 28, 2009
    Publication date: June 2, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masashi Hashimoto, Satoshi Igawa, Naoki Yamada, Takayuki Horiuchi, Shinjiro Okada
  • Fused polycyclic compounds and organic light-emitting device using the same
    Patent number: 7939185
    Abstract: A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: May 10, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Naoki Yamada, Minako Nakasu, Satoshi Igawa, Masashi Hashimoto
  • Light-emitting device
    Patent number: 7914907
    Abstract: The present invention provides an organic EL device utilizing phosphorescence which can be driven at a low voltage, which realizes high luminance and high efficiency, and which has a long lifetime. The organic EL device of the present invention includes an organic light-emitting layer composed of at least a host material and a dopant, wherein the dopant is a phosphorescent compound containing a halogen atom, and the host material is a linear aromatic compound having no aromatic substituent at a side thereof.
    Type: Grant
    Filed: September 14, 2005
    Date of Patent: March 29, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hironobu Iwawaki, Shinjiro Okada, Takao Takiguchi, Satoshi Igawa, Masashi Hashimoto, Jun Kamatani, Kengo Kishino, Minako Nakasu, Ryota Ooishi
  • BENZO[a]FLUORANTHENE COMPOUND AND ORGANIC LIGHT EMITTING DEVICE USING THE SAME
    Publication number: 20110049479
    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: Application
    Filed: May 15, 2008
    Publication date: March 3, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Naoki Yamada, Satoshi Igawa, Masashi Hashimoto, Minako Nakasu, Takayuki Horiuchi, Jun Kamatani, Shinjiro Okada
  • FUSED POLYCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE HAVING THE COMPOUND
    Publication number: 20110024737
    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: Application
    Filed: May 18, 2009
    Publication date: February 3, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takayuki Horiuchi, Jun Kamatani, Satoshi Igawa, Naoki Yamada, Masashi Hashimoto, Tetsuya Kosuge
  • RFID tag and construction site management system and management method using the same
    Patent number: 7880620
    Abstract: According to an aspect of the present invention, an RFID tag has a long-distance communication RFID and a plurality of short-distance communication RFIDs. The RFID tag has tear-off lines for separating the short-distance communication RFID from the whole RFID tag, and when the short-distance communication RFID is separated, a loop-shaped antenna of the long-distance communication RFID is also cut up. And the RFID tag has an overall management identification code for identifying the whole tag before separation and a partial management identification code for identifying a partial tag after separation.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: February 1, 2011
    Assignee: Hitachi Plant Technologies, Ltd.
    Inventors: Fumio Hatori, Shinichi Ebata, Sumito Maezawa, Masayuki Hosokawa, Masashi Hashimoto
  • Electroluminescence device
    Patent number: 7858210
    Abstract: A layer is spaced between an anode and a cathode and is composed of an organic compound represented by the following general formula [1]. wherein R1 to R10 are each independently a hydrogen atom, a halogen atom, a substituted amino group, an alkyl group, an aryl group, and a heterocyclic group; and X represents (a) an alkylene group having 2 to 6 carbon atoms, wherein in the alkylene group, one or separate two methylene groups may be substituted by —O—, —CO—, —CO—O—, —S—, or —NRa1—, and a hydrogen atom may be substituted by a linear, branched, or cyclic alkyl group having 1 to 10 carbon atoms, (b) an aryl group which may be substituted, or (c) a heterocyclic group which may be substituted, or (d) a fluorine atom.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: December 28, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Hashimoto, Satoshi Igawa, Takao Takiguchi