Patents by Inventor Shunto ARAI

Shunto ARAI 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).

  • Organic semiconductor composition, organic thin film comprising same, and use thereof
    Patent number: 11198698
    Abstract: In the present invention, a composition comprising two types of thienothiophene compounds selected from the group consisting of the compounds indicated by formulas (1) to (4) (in formulas (1) to (4), either one of R1 and R2 represents an alkyl group, an aromatic hydrocarbon group having an alkyl group or a heterocyclic group having an alkyl group, and the other represents a hydrogen atom, an aromatic hydrocarbon group, a heterocyclic group or a substituent represented by formula (5) (in formula (5), R3 represents an aromatic hydrocarbon group or a heterocyclic group)) can form an organic thin film which is homogeneous over a large area, and an organic semiconductor device including the organic thin film is capable of exhibiting high mobility.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: December 14, 2021
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Shunto Arai, Tatsuo Hasegawa, Satoru Inoue
  • ORGANIC SEMICONDUCTOR COMPOSITION, ORGANIC THIN FILM COMPRISING SAME, AND USE THEREOF
    Publication number: 20190048021
    Abstract: In the present invention, a composition comprising two types of thienothiophene compounds selected from the group consisting of the compounds indicated by formulas (1) to (4) (in formulas (1) to (4), either one of R1 and R2 represents an alkyl group, an aromatic hydrocarbon group having an alkyl group or a heterocyclic group having an alkyl group, and the other represents a hydrogen atom, an aromatic hydrocarbon group, a heterocyclic group or a substituent represented by formula (5) (in formula (5), R3 represents an aromatic hydrocarbon group or a heterocyclic group)) can form an organic thin film which is homogeneous over a large area, and an organic semiconductor device including the organic thin film is capable of exhibiting high mobility.
    Type: Application
    Filed: February 27, 2017
    Publication date: February 14, 2019
    Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NIPPON KAYAKU KABUSHIKI KAISHA
    Inventors: Shunto ARAI, Tatsuo HASEGAWA, Satoru INOUE