Patents by Inventor Kimiatsu Nomura

Kimiatsu Nomura 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: 9035055
    Abstract: An organic compound and a photoelectric conversion device containing the organic compound are disclosed. The organic compound and device realize high photoelectric conversion efficiency, low dark current and high-speed responsivity. It has been found that when this organic compound and an n-type semiconductor are used in combination, high-speed responsivity can be realized while maintaining high heat resistance, an aspect of which has not been seen when the connection part between a donor part and an acceptor part is a phenylene group.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: May 19, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Mitsumasa Hamano, Katsuyuki Yofu, Tetsuro Mitsui, Kimiatsu Nomura
  • Patent number: 9012762
    Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative. Formula (I): In the formula, Z1 represents an atomic group necessary for forming a 5- or 6-membered ring, L1, L2 and L3 each independently represents an unsubstituted methine group or a substituted methine group, D1 represents an atomic group, and n represents an integer of 0 or more.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: April 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano, Katsuyuki Yofu
  • Patent number: 9012761
    Abstract: An organic photoelectric conversion material for a photoelectric conversion element is provided, the organic photoelectric conversion material represented by formula 1 and having a molecular weight of 250 or greater but not greater than 800: wherein, A represents an electron withdrawing atomic group; R1, R2 and R3 each independently represents a hydrogen atom or a substituent; L represents a divalent ? conjugated substituent; D represents an electron donating aromatic substituent; and X represents O, S, or N—Ra in which Ra represents a hydrogen atom or a substituent.
    Type: Grant
    Filed: March 11, 2009
    Date of Patent: April 21, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tetsu Kitamura, Kimiatsu Nomura, Tetsuro Mitsui
  • Patent number: 8933319
    Abstract: A photoelectric conversion element includes: an electrically conductive thin layer; an organic photoelectric conversion layer containing a compound having a partial structure represented by formula (I) and a fullerene or a fullerene derivative; and a transparent electrically conductive thin layer: X represents O, S or N—R10, R10 represents a hydrogen atom or a substituent, Rx and Ry represent a hydrogen atom or a substituent, with at least one representing an electron-withdrawing group, Rx and Ry may combine to form a ring, R represents a bond (—), a hydrogen atom or a substituent, with at least one being the bond, nr represents an integer of 1 to 4, R's may be the same or different when nr is 2 or more, and R's at the 2- and 3-positions or R's at the 5- and 6-positions may combine with each other to form a ring.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: January 13, 2015
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Tetsu Kitamura
  • Publication number: 20140290746
    Abstract: A photoelectric conversion element, having: an electrically-conductive support; a photoconductor layer having a semiconductor fine-particle layer adsorbed a dye; a charge transfer layer containing an electrolyte; and a counter electrode; which are provided on one side of the support in this order, in which the dye has at least one terdentate ligand having at least one acidic group; at least one ligand coordinating to a metal atom M has an sp2 carbon atom; a cyclic group binds to the sp2 carbon atom; a specific substituent R is substituted at an atom of ?- or ?-position to the atom of the cyclic group directly binding to the sp2 carbon atom; and with the metal atom M, an atom G1 of the ?- or ?-position, and an atom G2 of the substituent R, an angle ? (?ZMG1G2) is 150° or less.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Yukio TANI, Katsumi KOBAYASHI, Kimiatsu NOMURA
  • Patent number: 8847141
    Abstract: To provide a photoelectric conversion element capable of functioning as a photoelectric conversion element when a compound having a specific structure is applied to the photoelectric conversion element, causing the element to exhibit a low dark current, and reducing the range of increase in the dark current even when the element is heat-treated, and an imaging device equipped with such a photoelectric conversion element. A photoelectric conversion element having a photoelectric conversion film which is sandwiched between a transparent electrically conductive film and an electrically conductive film and contains a photoelectric conversion layer and an electron blocking layer, wherein the electron blocking layer contains a compound having, as a substituent, a substituted amino group containing three or more ring structures.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: September 30, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Eiji Fukuzaki, Kimiatsu Nomura
  • Patent number: 8847208
    Abstract: Provided is a photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film, and an electrically conductive film, wherein the photoelectric conversion film contains a compound represented by the following formula (i): wherein each of R2 to R9 independently represents a hydrogen atom or a substituent, provided that each of at least two out of R3, R4, R7 and R8 independently represents an aryl group, a heterocyclic group or —N(Ra)(Rb), each of Ra and Rb independently represents a hydrogen atom or a substituent, and at least either Ra or Rb represents an aryl group or a heterocyclic group; and R1 represents an alkyl group, an aryl group or a heterocyclic group.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: September 30, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Katsuyuki Yofu
  • Patent number: 8841651
    Abstract: A photoelectric conversion element is provided and includes: a conductive thin layer; an organic photoelectric conversion layer including a compound represented by formula (I); and a transparent conductive thin layer, in this order: In the formula (I), X represents O, S or N—R10; Rx and Ry each independently represents a hydrogen atom or a substituent, at least one of Rx and Ry is an electron-withdrawing group, and Rx and Ry may be connected to each other to form a ring, provided that Rx and Ry do not represent a cyano group at the same time; R7 to R10 each independently represents a hydrogen atom or a substituent, and R8 and R9 may be connected to each other to form a ring; L represents a linking group comprising a conjugated bond; and D1 represents a group of atoms.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: September 23, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Kazumi Nii
  • Publication number: 20140246659
    Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which a compound represented by the following formula (I) is contained in any layer of the at least one organic layer. The organic electroluminescent element has high luminous efficiency and a strong effect of improving the durability by driving aging: wherein X, A1, A2, A3, A4, and R1 to R8 are as defined herein.
    Type: Application
    Filed: August 6, 2012
    Publication date: September 4, 2014
    Applicant: UDC IRELAND LIMITED
    Inventors: Koji Takaku, Tetsu Kitamura, Toru Watanabe, Yosuke Yamamoto, Kimiatsu Nomura, Wataru Sotoyama, Saki Takada, Toshihiro Ise
  • Publication number: 20140239280
    Abstract: An organic electroluminescent element using a compound represented by the following general formula emits dark blue light and has a small change in the chromaticity during luminance modulation: wherein each of R1 to R8 represents a hydrogen atom or a substituent; A1 to A4 represent CR31 or N; L and X each independently represent any one of CR32R33, NR34, O, S, and SiR35R36; and each of R31 to R36 represents a hydrogen atom or a substituent.
    Type: Application
    Filed: August 6, 2012
    Publication date: August 28, 2014
    Applicant: UDC IRELAND LIMITED
    Inventors: Saki Takada, Yosuke Yamamoto, Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama, Koji Takaku, Kimiatsu Nomura
  • Publication number: 20140158859
    Abstract: A photoelectric conversion element includes a transparent conductive film, a conductive film, and a photoelectric conversion layer and an electron-blocking layer disposed between the transparent conductive film and the conductive film. The photoelectric conversion layer includes a condensed polycyclic hydrocarbon which contains at least 5 benzene rings, of which a total number of rings is 7 or more and which contains no carbonyl group. The electron-blocking layer includes a compound A having a residue after removal of at least one group of Ra1 to Ra9 from a compound represented by general formula (A) and having a glass transition point (Tg) of 200° C. or more. The photoelectric conversion element exhibits high photoelectric conversion efficiency and low dark current characteristics even after heating treatment, and can be manufactured with high productivity.
    Type: Application
    Filed: February 14, 2014
    Publication date: June 12, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Eiji FUKUZAKI, Kimiatsu NOMURA
  • Publication number: 20140054577
    Abstract: A photoelectric conversion element comprises a first photoelectric conversion part, the first photoelectric conversion part comprising: a pair of electrodes; and a photoelectric conversion film between the pair of electrodes, wherein the photoelectric conversion film comprises an organic photoelectric conversion material having an absorption peak in an infrared region of an absorption spectrum within a combined range of a visible region and the infrared region and generating an electric charge according to light absorbed, and the first photoelectric conversion part as a whole transmits 50% or more of light in the visible region.
    Type: Application
    Filed: November 4, 2013
    Publication date: February 27, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Tetsuro MITSUI, Tetsu KITAMURA, Kimiatsu NOMURA, Toru HARADA
  • Patent number: 8637860
    Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: January 28, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Eiji Fukuzaki, Tetsuro Mitsui
  • Publication number: 20130299799
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Inventors: Katsuyuki YOFU, Kimiatsu NOMURA, Mitsumasa HAMANO, Tetsuro MITSUI
  • Patent number: 8568965
    Abstract: An organic semiconducting material comprises a naphthalocyanine derivative represented by formula (1); wherein M represents Si, Ge or Sn, R1 to R3 represent substituents other than a hydrogen atom except that all of R1 to R3 are identical straight-chain alkyl groups, and R4 to R27 each independently represents a hydrogen atom or a substituent.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: October 29, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Tetsu Kitamura, Masayuki Hayashi, Kimiatsu Nomura
  • Patent number: 8525577
    Abstract: A photoelectric conversion device comprising an electrically conductive film, an organic photoelectric conversion film, and a transparent electrically conductive film, wherein the organic photoelectric conversion film contains a compound represented by the following formula (1) and an n-type organic semiconductor: wherein each of R1 and R2 independently represents a substituted aryl group, an unsubstituted aryl group, a substituted heteroaryl group or an unsubstituted heteroaryl group, each of R3 to R11 independently represents a hydrogen atom or a substituent provided that an acidic group is excluded, m represents 0 or 1, n represents an integer of 0 or more, R1 and R2, R3 and R4, R3 and R5, R5 and R6, R6 and R8, R7 and R8, R7 and R9, or R10 and R11 may be combined each other to form a ring, and when n is an integer of 2 or more, out of a plurality of R7's and R8's, a pair of R7's, a pair of R8's, or a pair of R7 and R8 may be combined each other to form a ring.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: September 3, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Katsuyuki Yofu, Kimiatsu Nomura, Mitsumasa Hamano, Tetsuro Mitsui
  • Patent number: 8513651
    Abstract: Provided is a photoelectric conversion device comprising an electrically conductive film, a photoelectric conversion film, and a transparent electrically conductive film, wherein the photoelectric conversion film contains a fullerene or a fullerene derivative and a photoelectric conversion material having an absorption spectrum satisfying at least either the following condition (A) or (B): ?M1<?L1 and ?M2<?L2??(A) ?M1<?L1 and ?|?M1??L1|>?|?M2??L2|??(B) wherein ?L1, ?L2, ?M1 and ?M2 are the wavelength at an absorption intensity of ½ of the maximum absorption intensity in the wavelength range of from 400 to 800 nm, each of ?L1 and ?L2 represents the wavelength in a chloroform solution spectrum when the photoelectric conversion material is dissolved in chloroform, and each of ?M1 and ?M2 represents the wavelength in a thin-film absorption spectrum of the photoelectric conversion material alone, provided that ?L1<?L2 and ?M1<?M2.
    Type: Grant
    Filed: June 4, 2010
    Date of Patent: August 20, 2013
    Assignee: Fujifilm Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano
  • Patent number: 8378339
    Abstract: A photoelectric conversion device comprising a transparent electrically conductive film, a photoelectric conversion film and an electrically conductive film in this order, wherein the photoelectric conversion film comprises a photoelectric conversion layer, and an electron blocking layer, wherein the electron blocking layer contains a compound represented by the specific formula.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: February 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Eiji Fukuzaki, Tetsuro Mitsui
  • Patent number: 8378101
    Abstract: Provided is an organic semiconductor which is a compound represented by the following formula (I): wherein each of R11, R12, R13, R14 and R15 independently represents a hydrogen atom or a substituent, and each of a pair of R11 and R12 and a pair of R12 and R13 may combine to form a ring, B1 represents a ring structure containing at least one nitrogen atom, and n1 represents an integer of 0 to 2.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: February 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Kimiatsu Nomura, Mitsumasa Hamano
  • Patent number: 8338691
    Abstract: A photoelectric conversion element is provided and includes: an electrically conductive thin layer; an organic photoelectric conversion layer; and a transparent electrically conductive thin layer. The organic photoelectric conversion layer contains: a compound represented by formula (I); and a fullerene or a fullerene derivative. In the formula, Z1 represents an atomic group necessary for forming a 5- or 6-membered ring, L1, L2 and L3 each independently represents an unsubstituted methine group or a substituted methine group, D1 represents an atomic group, and n represents an integer of 0 or more.
    Type: Grant
    Filed: March 6, 2009
    Date of Patent: December 25, 2012
    Assignee: FUJIFILM Corporation
    Inventors: Tetsuro Mitsui, Kimiatsu Nomura, Mitsumasa Hamano, Katsuyuki Yofu