Patents by Inventor Naomichi KANEI

Naomichi KANEI 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).

  • Publication number: 20190305153
    Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.
    Type: Application
    Filed: June 17, 2019
    Publication date: October 3, 2019
    Inventors: Yuuji TANAKA, Shigeyo SUZUKI, Naomichi KANEI
  • Publication number: 20190252129
    Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.
    Type: Application
    Filed: April 24, 2019
    Publication date: August 15, 2019
    Inventors: Tamotsu HORIUCHI, Yuuji TANAKA, Tsuyoshi MATSUYAMA, Takahiro IDE, Tokushige KINO, Shigeyo SUZUKI, Naomichi KANEI
  • Patent number: 10367103
    Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: July 30, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuji Tanaka, Shigeyo Suzuki, Naomichi Kanei
  • Patent number: 10319533
    Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: June 11, 2019
    Assignee: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Yuuji Tanaka, Tsuyoshi Matsuyama, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Publication number: 20180330890
    Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole transport layer contains a compound represented by general formula (1) below, where in the formula, R1 represents a methoxy group or an ethoxy group, R2 represents a hydrogen group or a methyl group, R3 represents a hydrogen group, a methyl group, or a methoxy group, R4 represents a methoxy group, and X represents —CH2—, —CH2CH2—, —O—, or —C(CH2)5—.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 15, 2018
    Inventors: Yuuji Tanaka, Tsuyoshi Matsuyama, Ryota Arai, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Publication number: 20180198083
    Abstract: A photoelectric conversion element is provided. The photoelectric conversion element comprises a substrate, a first electrode, an electron transport layer, a hole transport layer, and a second electrode. The electron transport layer comprises a photosensitizing compound. The hole transport layer comprises a basic compound A and an ionic compound B. The basic compound A is represented by the following formula (1): where each of R1 and R2 independently represents an alkyl group or an aromatic hydrocarbon group, or R1 and R2 share bond connectivity to form a nitrogen-containing heterocyclic ring; and the ionic compound B is represented by the following formula (2): where X+ represents a counter cation.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 12, 2018
    Inventors: Yuuji TANAKA, Tsuyoshi MATSUYAMA, Tamotsu HORIUCHI, Takahiro IDE, Tokushige KINO, Shigeyo SUZUKI, Naomichi KANEI
  • Publication number: 20180197688
    Abstract: A photoelectric conversion element including a first electrode, an electron transport layer on the first electrode, a charge transfer layer, and a second electrode is provided. The electron transport layer includes an electron transport compound, and the electron transport compound carries a compound represented by the following formula (1) and a compound represented by the following formula (2): where each of X1 and X2 independently represents oxygen atom, sulfur atom, or selenium atom; R1 represents methine group; R2 represents an alkyl group, an aryl group, or a heterocyclic group; each of R3 independently represents an acidic group; m represents an integer of 1 or 2; and each of Z1 and Z2 independently represents a group forming a cyclic structure; R5—R4—COOH??Formula (2) where R4 represents an aryl group or a heterocyclic group; and R5 represents an alkyl group, an alkoxy group, an alkenyl group, an alkylthio group, or an aryl ether group.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 12, 2018
    Inventors: Tamotsu HORIUCHI, Yuuji TANAKA, Tsuyoshi MATSUYAMA, Takahiro IDE, Tokushige KINO, Shigeyo SUZUKI, Naomichi KANEI
  • Publication number: 20180053863
    Abstract: Provided is a photoelectric conversion element including: a first electrode having opaqueness to light and formed of a metal; a hole blocking layer provided on the first electrode; an electron transport layer provided on the hole blocking layer; a hole transport layer provided on the electron transport layer; and a second electrode provided on the hole transport layer and having transmissivity to light, wherein the hole blocking layer contains an oxide of the metal in the first electrode.
    Type: Application
    Filed: October 12, 2017
    Publication date: February 22, 2018
    Inventors: Yuuji TANAKA, Shigeyo SUZUKI, Naomichi KANEI
  • Publication number: 20170358399
    Abstract: A tertiary amine compound is provided. The tertiary amine compound is represented by the following general formula (1): where each of Ar1 and Ar2 independently represents a benzene ring having an alkyl group or an alkoxy group, an unsubstituted benzene ring, a naphthalene ring having an alkyl group or an alkoxy group, or an unsubstituted naphthalene ring.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 14, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Tsuyoshi MATSUYAMA, Yuuji TANAKA, Ryota ARAI, Tokushige KINO, Naomichi KANEI, Tamotsu HORIUCHI
  • Publication number: 20170243698
    Abstract: A photoelectric conversion element including a first substrate, a first electrode on the first substrate, a photoelectric conversion layer on the first electrode, a second electrode on the photoelectric conversion layer, a second substrate on the second electrode, and a sealing member disposed between the first electrode and the second substrate and configured to seal at least the photoelectric conversion layer, the first electrode including a through section, the sealing member being in contact with the first substrate through the through section.
    Type: Application
    Filed: February 21, 2017
    Publication date: August 24, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Naomichi KANEI, Yuuji TANAKA, Ryota ARAI, Tsuyoshi MATSUYAMA, Tokushige KINO
  • Publication number: 20170222150
    Abstract: A photoelectric conversion element is provided. The photoelectric conversion element includes a conductive film, an electron transport layer overlying the conductive film, a photoelectric conversion layer overlying the electron transport layer, a hole transport layer overlying the photoelectric conversion layer, and an electrode. The photoelectric conversion layer includes a first material and a second material, each having specific chemical formulae.
    Type: Application
    Filed: January 24, 2017
    Publication date: August 3, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Ryota ARAI, Yuuji TANAKA, Tsuyoshi MATSUYAMA, Tokushige KINO, Naomichi KANEI
  • Publication number: 20170092433
    Abstract: Provided is a photoelectric conversion element including: a first electrode; a hole blocking layer; an electron transport layer; a hole transport layer; and a second electrode, wherein the hole blocking layer includes a metal oxide including a titanium atom and a niobium atom.
    Type: Application
    Filed: April 16, 2015
    Publication date: March 30, 2017
    Applicant: RICOH COMPANY, LTD.
    Inventors: Naomichi KANEI, Yuuji TANAKA, Ryota ARAI, Tamotsu HORIUCHI
  • Publication number: 20170069431
    Abstract: Provided is a photoelectric conversion element including a first electrode, a hole blocking layer, an electron transport layer, a first hole transport layer, and a second electrode, wherein the first hole transport layer includes at least one of basic compounds represented by general formula (1a) and general formula (1b) below: where in the formula (1a) or (1b), R1 and R2 represent a substituted or unsubstituted alkyl group or aromatic hydrocarbon group and may be identical or different, and R1 and R2 may bind with each other to form a substituted or unsubstituted heterocyclic group containing a nitrogen atom.
    Type: Application
    Filed: January 30, 2015
    Publication date: March 9, 2017
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuji TANAKA, Tamotsu HORIUCHI, Naomichi KANEI