Patents by Inventor Youhei Kubo

Youhei Kubo 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: 7799949
    Abstract: A compound represented by the formula below is provided. (In the formula, X and Y denote a hydroxy group, an amino group, or a halogen atom, and X and Y are groups that are different from each other.
    Type: Grant
    Filed: March 4, 2009
    Date of Patent: September 21, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Youhei Kubo, Koki Nakamura, Katsuyuki Watanabe
  • Publication number: 20090227812
    Abstract: A compound represented by the formula below is provided. (In the formula, X and Y denote a hydroxy group, an amino group, or a halogen atom, and X and Y are groups that are different from each other.
    Type: Application
    Filed: March 4, 2009
    Publication date: September 10, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Youhei KUBO, Koki Nakamura, Katsuyuki Watanabe
  • Publication number: 20090221779
    Abstract: A film forming composition is provided that includes a compound represented by Formula (1) below and/or a polymer polymerized using at least a compound represented by Formula (1) below (in Formula (1), each A1 independently denotes a single bond, —CO—, —NR—, —O—, —SO2—, —CH?CH—, —C?C—, or a group in which two or more of the above are combined, A2 and A4 independently denote a monovalent organic group having 1 to 10 carbons, each A3 independently denotes a hydrogen atom or a monovalent organic group having 1 to 10 carbons but excluding a phenyl group, X denotes a tetravalent organic group having 1 to 9 carbons, R denotes a hydrogen atom or an alkyl group having 1 to 10 carbons, each m independently denotes an integer of 1 to 5, each n independently denotes an integer of 1 or more, each p independently denotes an integer of 0 to 4, and each q independently denotes an integer of 0 to 4). There are also provided a film obtained using the film forming composition and an electronic device having the film.
    Type: Application
    Filed: February 25, 2009
    Publication date: September 3, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Youhei Kubo, Haruki Inabe, Kaoru Iwato, Katsuyuki Watanabe
  • Publication number: 20090048421
    Abstract: A film forming composition is provided that includes a compound represented by Formula (1) below and/or a polymer polymerized using at least a compound represented by Formula (1) below (in Formula (1), A1 denotes a 2- to 4-valent organic group, A2 denotes an alkenyl group or an alkynyl group, Ar1 denotes a (2+a1)-valent aryl group, R1 denotes a hydrogen atom or an alkyl group having 1 to 30 carbons, a1 denotes an integer of 1 to 4, and a2 denotes an integer of 2 to 4). There is also provided a film forming composition comprising a compound represented by Formula (2) below and/or a polymer polymerized using at least a compound represented by Formula (2) below (in Formula (2), A3 denotes a 4- or 6-valent organic group, A4 denotes an alkenyl group or an alkynyl group, Ar2 denotes an (a3+1)-valent aryl group, R2 denotes a hydrogen atom or an alkyl group having 1 to 30 carbons, a3 denotes an integer of 1 to 5, and a4 denotes 2 or 3).
    Type: Application
    Filed: July 11, 2008
    Publication date: February 19, 2009
    Applicant: FUJIFILM Corporation
    Inventors: Youhei Kubo, Kaoru Iwato, Haruki Inabe