Patents by Inventor Seiichiro Murase

Seiichiro Murase 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: 8729530
    Abstract: The present invention provides a light emitting device material which enables a light emitting device having high efficiency and excellent chromatic purity and durability using a light emitting device material containing a pyrene compound represented by formula (1), wherein any one of R1 to R10 is a group represented by formula (2), or 1 to 4 substituents is/are group(s) represented by formula (3), and a light emitting device using the same.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: May 20, 2014
    Assignee: Toray Industries, Inc.
    Inventors: Kazumasa Nagao, Seiichiro Murase
  • Publication number: 20140061629
    Abstract: A light emitting device material containing a pyrene compound of general formula (1) and a light emitting device.
    Type: Application
    Filed: November 6, 2013
    Publication date: March 6, 2014
    Applicant: Toray Industries, Inc.
    Inventors: Seiichiro MURASE, Kazumasa NAGAO, Kazunori SUGIMOTO
  • Patent number: 8610345
    Abstract: A light emitting device material containing a pyrene compound of formula (1) and a light emitting device.
    Type: Grant
    Filed: September 8, 2006
    Date of Patent: December 17, 2013
    Assignee: TORAY Industries, Inc.
    Inventors: Seiichiro Murase, Kazumasa Nagao, Kazunori Sugimoto, Takeshi Ishigaki, Takafumi Ogawa
  • Patent number: 8530889
    Abstract: A carbon nanotube composite in which a conjugated polymer containing repeating units containing a fused heteroaryl unit having a nitrogen-containing double bond in the ring, and a thiophene unit is attached to at least a part of the surface of a carbon nanotube. The present invention reduces the hysteresis of a field-effect transistor having a semiconductor layer containing a carbon nanotube.
    Type: Grant
    Filed: May 11, 2009
    Date of Patent: September 10, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Yukari Jo, Seiichiro Murase, Daisuke Kitazawa, Jun Tsukamoto
  • Patent number: 8441002
    Abstract: The present invention provides an organic semiconductor composite containing a certain thiophene compound and carbon nanotubes, which can be formed into a film by a coating process such as an inkjet process, has high charge mobility and can maintain a high on/off ratio even in air, an organic transistor material and an organic field effect transistor.
    Type: Grant
    Filed: January 25, 2008
    Date of Patent: May 14, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Seiichiro Murase, Yukari Jo, Jun Tsukamoto, Junji Mata
  • Publication number: 20120138907
    Abstract: Embodiments provide a light emitting device material characterized by containing an anthracene compound represented by the following general formula. where R19 to R37 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like; n is 1 or 2; and A is a heteroarylene group or arylene group. Any one of the R19 to R27 and any one of the R28 to R37 are used for linking with A. The present teachings allow a light emitting device having high luminous efficiency and excellent durability.
    Type: Application
    Filed: November 23, 2011
    Publication date: June 7, 2012
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Seiichiro MURASE, Daisuke KITAZAWA, Kazumasa NAGAO, Kazunori SUGIMOTO, Tsuyoshi TOMINAGA
  • Patent number: 8084146
    Abstract: The present invention is a light emitting device material characterized by containing an anthracene compound represented by the following general formula (1), and the present invention allows a light emitting device having high luminous efficiency and excellent durability. (R1 to R10 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like.
    Type: Grant
    Filed: May 19, 2005
    Date of Patent: December 27, 2011
    Assignee: Toray Industries, Inc.
    Inventors: Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Sugimoto, Tsuyoshi Tominaga
  • Publication number: 20110121273
    Abstract: A carbon nanotube composite in which a conjugated polymer containing repeating units containing a fused heteroaryl unit having a nitrogen-containing double bond in the ring, and a thiophene unit is attached to at least a part of the surface of a carbon nanotube. The present invention reduces the hysteresis of a field-effect transistor having a semiconductor layer containing a carbon nanotube.
    Type: Application
    Filed: November 5, 2009
    Publication date: May 26, 2011
    Inventors: Yukari Jo, Seiichiro Murase, Daisuke Kitazawa, Jun Tsukamoto
  • Publication number: 20110118424
    Abstract: A thermoplastic copolymer having an excellent balance among properties such as coating resistance, color stability and fluidity and having high operability and productivity can be obtained by a method for producing a thermoplastic copolymer, comprising step (I) of supplying a monomer mixture (a) containing an aromatic vinyl monomer (a1) and a vinyl cyanide monomer (a2) to a complete mixing type reactor continuously to produce a copolymer (A) and step (II) of supplying the copolymer (A) continuously to a tubular reactor with a static mixing structure therein, which is placed in series with the complete mixing type reactor, and reacting the copolymer (A) to produce a copolymer (B).
    Type: Application
    Filed: July 7, 2009
    Publication date: May 19, 2011
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Taro Yamashita, Seiichiro Murase, Hajime Takamura
  • Publication number: 20110068417
    Abstract: To provide a gate insulating material which has high chemical resistance, is superior in coatability of a resist and an organic semiconductor coating liquid, and has small hysteresis, a gate insulating film and an FET using the same by a polysiloxane having an epoxy group-containing silane compound as a copolymerization component.
    Type: Application
    Filed: February 27, 2009
    Publication date: March 24, 2011
    Applicant: Toray Industries, Inc.
    Inventors: Seiichiro Murase, Takenori Fujiwara, Yukari Jo, Jun Tsukamoto
  • Patent number: 7901794
    Abstract: The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): wherein R1 to R10 are specific functional groups, provided that at least one of the R1 to R10 is a substituent represented by the following general formula (2): wherein R11 to R14 are specific functional groups, provided that any one of the R11 to R14 is used for a single bond with a pyrene skeleton; X1 is a group represented by the following general formula (3): wherein R15 is a specific functional group; and Y1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom. This material provides a light-emitting device having high luminous efficiency and excellent durability.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: March 8, 2011
    Assignee: Toray Industries, Inc.
    Inventors: Kazunori Sugimoto, Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Takafumi Ogawa, Tsuyoshi Tominaga
  • Publication number: 20100163852
    Abstract: The present invention provides a light emitting device material which enables a light emitting device having high efficiency and excellent chromatic purity and durability using a light emitting device material containing a pyrene compound represented by formula (1), wherein any one of R1 to R10 is a group represented by formula (2), or 1 to 4 substituents is/are group(s) represented by formula (3), and a light emitting device using the same.
    Type: Application
    Filed: June 8, 2007
    Publication date: July 1, 2010
    Inventors: Kazumasa Nagao, Seiichiro Murase
  • Publication number: 20100102299
    Abstract: The present invention provides an organic semiconductor composite containing a certain thiophene compound and carbon nanotubes, which can be formed into a film by a coating process such as an inkjet process, has high charge mobility and can maintain a high on/off ratio even in air, an organic transistor material and an organic field effect transistor.
    Type: Application
    Filed: January 25, 2008
    Publication date: April 29, 2010
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Seiichiro Murase, Yukari Jo, Jun Tsukamoto, Junji Mata
  • Publication number: 20090096356
    Abstract: A light emitting device material containing a pyrene compound of formula (1) and a light emitting device.
    Type: Application
    Filed: September 8, 2006
    Publication date: April 16, 2009
    Inventors: Seiichiro Murase, Kazumasa Nagao, Kazunori Sugimoto, Takeshi Ishigaki, Takafumi Ogawa
  • Publication number: 20090066245
    Abstract: The present invention is a light-emitting device material characterized by containing a pyrene compound represented by the following general formula (1): wherein R1 to R10 are specific functional groups, provided that at least one of the R1 to R10 is a substituent represented by the following general formula (2): wherein R11 to R14 are specific functional groups, provided that any one of the R11 to R14 is used for a single bond with a pyrene skeleton; X1 is a group represented by the following general formula (3): wherein R15 is a specific functional group; and Y1 to Y4 is selected from among a nitrogen atom and a carbon atom, provided that at least one of the Y1 to Y4 is a nitrogen atom and at least one thereof is a carbon atom, and no substituents exist on the nitrogen atom in the case of the nitrogen atom. This material provides a light-emitting device having high luminous efficiency and excellent durability.
    Type: Application
    Filed: February 23, 2006
    Publication date: March 12, 2009
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Kazunori Sugimoto, Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Takafumi Ogawa, Tsuyoshi Tominaga
  • Publication number: 20070247063
    Abstract: The present invention is a light emitting device material characterized by containing an anthracene compound represented by the following general formula (1) or general formula (3), and the present invention allows a light emitting device having high luminous efficiency and excellent durability. (R1 to R10 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like. At least one of the R1 to R10 is a substituent represented by the following general formula (2).) (R11 to R18 are a hydrogen atom, alkyl group and cycloalkyl group. X is an oxygen atom or sulfur atom, and Y is a single bond; arylene group or heteroarylene group. Any one of the R11 to R18 is used for linking with Y, and ? is used for linking with the anthracene skeleton.) (R19 to R37 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like. n is 1 or 2. A is a heteroarylene group or arylene group. Any one of the R19 to R27 and any one of the R28 to R37 are used for linking with A.
    Type: Application
    Filed: May 19, 2005
    Publication date: October 25, 2007
    Applicant: TORAY INDUSTRIES INC.
    Inventors: Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Gusimoto, Tsuyoshi Tominaga
  • Patent number: 6805978
    Abstract: A pyrromethene metal complex is used as a fluorescent dye to form a light emitting device. The light emitting device has a substance which brings about light emission between an anode and a cathode. By applying electrical energy, the device generates emission having an emission peak wavelength of 580 to 720 nm. The device contains at least one of: a diketopyrrolo[3,4-c]pyrrole derivative and an organic fluorescent material having a fluorescent peak wavelength of 580 to 720 nm; and a light emitting device composition containing a pyrromethene metal complex.
    Type: Grant
    Filed: April 22, 2002
    Date of Patent: October 19, 2004
    Assignee: Toray Industries, Inc.
    Inventors: Seiichiro Murase, Tsuyoshi Tominaga, Akira Kohama
  • Publication number: 20030082406
    Abstract: A pyrromethene metal complex is used as a fluorescent dye to form a light emitting device. The light emitting device has a substance which brings about light emission between an anode and a cathode. By applying electrical energy, the device generates emission having an emission peak wavelength of 580 to 720 nm. The device contains at least one of: a diketopyrrolo[3,4-c]pyrrole derivative and an organic fluorescent material having a fluorescent peak wavelength of 580 to 720 nm; and a light emitting device composition containing a pyrromethene metal complex.
    Type: Application
    Filed: April 22, 2002
    Publication date: May 1, 2003
    Inventors: Seiichiro Murase, Tsuyoshi Tominaga, Akira Kohama