Patents by Inventor Takushi Shiomi

Takushi Shiomi 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).

  • Heteroarene derivative and organic electroluminescence device using the same
    Patent number: 9450194
    Abstract: A heteroarene derivative including a nitrogen-boron coordinate bond, represented by the following formula (1). In the formula (1). Z1 is a group represented by the following formula (2); Z2 is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 30 ring atoms; L is a substituted or unsubstituted arylene including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene including 5 to 30 ring atoms, —O—, —S—, —(CR2R3)n— (wherein n is an integer of 1 to 8).
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: September 20, 2016
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takushi Shiomi, Kazuki Nishimura
  • MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE
    Publication number: 20160104845
    Abstract: A material for organic electroluminescence device including a specific compound having a specific group in the central skeleton and an organic electroluminescence device including an organic thin film layer between an anode and a cathode. The organic thin film layer includes a light emitting layer and at least one layer of the organic thin film layer includes the material for organic electroluminescence device. The organic electroluminescence device has a long lifetime and the material for organic electroluminescence device realizes such a device.
    Type: Application
    Filed: September 27, 2013
    Publication date: April 14, 2016
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko MIZUKI, Nobuhiro Yabunouchi, Takushi Shiomi, Kazuki Nishimura, Mitsuru Eida
  • MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
    Publication number: 20140353650
    Abstract: A compound represented by the following formula (1).
    Type: Application
    Filed: December 5, 2012
    Publication date: December 4, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Takushi Shiomi, Ryohei Hashimoto, Hideaki Nagashima
  • MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME
    Publication number: 20140231772
    Abstract: A compound represented by the following formula (1): wherein C1 and C2 are independently a carbon atom; X1 to X4 are independently N, CH or C(R1); L is a group represented by the formula (2): -L1-(A)n; L1 is a group represented by the formula (3); A is alkyl, cycloalkyl, alkoxy, cycloalkoxy, aryl, aryloxy, arylthio, heteroaryl, heteroaryloxy, amino, silyl, diaryloxyphosphinyl, a divalent group corresponding to these groups, fluoro or cyano.
    Type: Application
    Filed: November 2, 2012
    Publication date: August 21, 2014
    Inventors: Takushi Shiomi, Ryohei Hashimoto, Hideaki Nagashima
  • HETEROARENE DERIVATIVE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
    Publication number: 20140183504
    Abstract: A heteroarene derivative including a nitrogen-boron coordinate bond, represented by the following formula (1). In the formula (1). Z1 is a group represented by the following formula (2); Z2 is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms or a substituted or unsubstituted heteroaryl group including 5 to 30 ring atoms; L is a substituted or unsubstituted arylene including 6 to 30 ring carbon atoms, a substituted or unsubstituted heteroarylene including 5 to 30 ring atoms, —O—, —S—, —(CR2R3)n— (wherein n is an integer of 1 to 8).
    Type: Application
    Filed: December 27, 2013
    Publication date: July 3, 2014
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Takushi SHIOMI, Kazuki NISHIMURA
  • AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT CONTAINING SAME
    Publication number: 20140151677
    Abstract: An aromatic amine derivative represented by the following formula (1): wherein Z1 is a group represented by the following formula (2); Z2 is a group represented by the following formula (3) or (3?); and P and Q are independently a group represented by the following formula (4) or (5):
    Type: Application
    Filed: July 23, 2012
    Publication date: June 5, 2014
    Inventors: Takushi Shiomi, Masami Watanabe, Mitsuru Eida
  • AROMATIC AMINE DERIVATIVE, ORGANIC DEVICE MATERIAL AND HOLE-INJECTION/TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL EACH COMPRISING THE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT
    Publication number: 20120187391
    Abstract: An aromatic amine derivative represented by the following formula (1), wherein L is a linking group, Z is a group represented by the following formula (2) and A1 and A2 are independently a monovalent group represented by the following formula (3):
    Type: Application
    Filed: February 15, 2011
    Publication date: July 26, 2012
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Mitsuru Eida, Masami Watanabe, Akinori Yomogita, Takushi Shiomi