Patents by Inventor Daiji IKEDA

Daiji IKEDA 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: 20240147741
    Abstract: The present disclosure provides an inorganic/organic hybrid complementary semiconductor device that can be manufactured at a lower cost, has excellent long-term stability, has a well-balanced operation between the p-type transistor and the n-type transistor, and operates at a high speed.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 2, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Publication number: 20240128144
    Abstract: The present disclosure provides a sealing material suitable for a compound having a non-stoichiometric composi263tion. The present disclosure is related to a sealing material for a compound having a non-stoichiometric composition, the sealing material including a polymer layer and an inorganic oxide insulator layer, wherein the polymer layer includes a first polymer layer containing an organic solvent soluble polymer.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 18, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Publication number: 20230276703
    Abstract: Provided is a compound capable of forming through a printing process an organic semiconductor exhibiting high charge mobility. The compound according to the present disclosure is represented by Formula (1) below. In Formula (1), X1 and X2 are the same or different and each represent —O—, —NR1—, or —PR2-. Y1 and Y2 are the same or different and each represent an oxygen atom or a sulfur atom. Z1 to Z8 are the same or different and each represent ?N— or ?CR3—. The R1, R2, and R3 are the same or different and each represent a hydrogen atom or an organic group. n represents an integer of 0 or greater.
    Type: Application
    Filed: September 1, 2021
    Publication date: August 31, 2023
    Applicants: The University of Tokyo, DAICEL CORPORATION
    Inventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Craig Peiqi YU, Junichi TAKEYA, Akito YAMAMOTO, Daiji IKEDA
  • Publication number: 20230170107
    Abstract: Provided is a conductor material having high conductivity. The conductor material according to an embodiment of the present disclosure has a configuration in which a conjugated polymeric compound having an electron donating group containing a heteroatom in a side chain is doped with a dopant containing an anion selected from a nitrogen anion, a boron anion, a phosphorus anion and an antimony anion, and a counter cation. The anion is preferably an anion represented by Formula (1) below: where R1 and R2 are identical or different, and each represent an electron withdrawing group; and R1 and R2 may be bonded to each other to form a ring with an adjacent nitrogen atom.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 1, 2023
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Yu YAMASHITA, Junichi TAKEYA, Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI
  • Publication number: 20230151141
    Abstract: Provided is a dopant with which a conductor material having high electrical conductivity can be formed. The present disclosure relates to a dopant containing a radical cation represented by Formula (1) and a counter anion. In Formula (1), R1 to R3 may be the same or different, and each denotes a monovalent aromatic group or a group represented by Formula (r). at least one of R1 to R3 is a group represented by Formula (r), and n indicates the valence of the radical cation and is equal to the quantity (n) of nitrogen atoms in the formula. In Formula (r), Ar1, Ar2, and Ar3 may be the same or different, and each denotes a divalent aromatic group, and Ar4, Ar5, Ar6, and Ar7 may be the same or different, and each denotes a monovalent aromatic group optionally having a substituent represented by Formula (sb) below. Furthermore, m and n may be the same or different, and each represents an integer of 0 or greater.
    Type: Application
    Filed: April 15, 2021
    Publication date: May 18, 2023
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI
  • Publication number: 20230128569
    Abstract: Provided is a compound that is excellent in chemical stability, has a high solubility in a solvent, and exhibits an excellent carrier mobility. A compound represented by Formula (1): where in Formula (1), X1, X2, X3, and R1 to R10 are as defined in the specification.
    Type: Application
    Filed: February 19, 2020
    Publication date: April 27, 2023
    Applicants: DAICEL CORPORATION, THE UNIVERSITY OF TOKYO
    Inventors: Daiji IKEDA, Takeshi YOKOO, Yasuyuki AKAI, Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Dinghai CEN
  • Publication number: 20220336119
    Abstract: A novel dopant according to the present disclosure includes an anion represented by the following Formula (1) and a counter cation. In Formula (1), R1 and R2 may be each at least one group selected from a nitro group, a cyano group, an acyl group, a carboxyl group, an alkoxycarbonyl group, a haloalkyl group, a sulfo group, an alkylsulfonyl group, an halosulfonyl group, and a haloalkylsulfonyl group, or may be a group formed by R1 and R2 bonded to each other [—SO2-L-SO2—] (where L represents a haloalkylene group). The counter cation may be a radical cation represented by Formula (2), where R1 and R2 represent electron-withdrawing groups that may be bonded to each other to form a heterocycle, and R3 to R5 represent a hydrogen atom, a hydrocarbon group that may have a substituent, or a heterocyclic group that may have a substituent. The dopant is capable of forming an electroconductive composition that shows a high conductivity.
    Type: Application
    Filed: August 17, 2020
    Publication date: October 20, 2022
    Applicants: The University of Tokyo, Daicel Corporation
    Inventors: Toshihiro OKAMOTO, Tadanori KUROSAWA, Junichi TAKEYA, Daiji IKEDA, Yasuyuki AKAI
  • Patent number: 11267171
    Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: March 8, 2022
    Assignees: DAICEL POLYMER LTD., DAICEL CORPORATION
    Inventors: Daiji Ikeda, Yoshihiro Asami
  • Patent number: 10434741
    Abstract: A composite molded article contains a metal molded article and a resin molded article, which are bonded to each other, in which the metal molded article has a roughened bonding surface, a surface layer portion of the metal molded article including the roughened bonding surface has: open holes containing: a stem hole that is formed in a thickness direction and has an opening on the side of the bonding surface, and a branch hole that is formed from an inner wall of the stem hole in a different direction from the stem hole, and the composite molded article is bonded in such a state that the resin permeates into the open holes formed on the bonding surface of the metal molded article.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: October 8, 2019
    Assignees: DAICEL POLYMER LTD., DAICEL CORPORATION
    Inventors: Daiji Ikeda, Yoshihiro Asami
  • Publication number: 20190263035
    Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.
    Type: Application
    Filed: April 25, 2019
    Publication date: August 29, 2019
    Inventors: Daiji IKEDA, Yoshihiro ASAMI
  • Patent number: 10322535
    Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: June 18, 2019
    Assignees: DAICEL POLYMER LTD., DAICEL CORPORATION
    Inventors: Daiji Ikeda, Yoshihiro Asami
  • Publication number: 20190112417
    Abstract: Provided are a novel organic polymer useful for forming an organic semiconductor and a use of the novel organic polymer. A compound represented by the following formula (Ia) is subjected to a coupling reaction to give an organic polymer: wherein a ring A and a ring B represent an aromatic hydrocarbon ring or an aromatic heterocyclic ring, n denotes an integer of 0 or 1 to 6, R1 to R2+n represent a substituent (such as an alkyl group), a1 to a (2+n) denote an integer of 0 to 2, a ring C represents a benzene ring ortho-fused sequentially and nonlinearly to an adjacent benzene ring depending on the number of n, X represents a hydrogen atom, a halogen atom, a lithium atom, or —MgX1 (wherein X1 represents a halogen atom).
    Type: Application
    Filed: March 24, 2017
    Publication date: April 18, 2019
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Toshihiro OKAMOTO, Junichi TAKEYA, Daiji IKEDA, Masao IWAYA
  • Publication number: 20160151993
    Abstract: A composite molded article contains a metal molded article and a resin molded article, which are bonded to each other, in which the metal molded article has a roughened bonding surface, a surface layer portion of the metal molded article including the roughened bonding surface has: open holes containing: a stem hole that is formed in a thickness direction and has an opening on the side of the bonding surface, and a branch hole that is formed from an inner wall of the stem hole in a different direction from the stem hole, and the composite molded article is bonded in such a state that the resin permeates into the open holes formed on the bonding surface of the metal molded article.
    Type: Application
    Filed: July 16, 2014
    Publication date: June 2, 2016
    Inventors: Daiji IKEDA, Yoshihiro ASAMI
  • Publication number: 20160046050
    Abstract: There is provided a method of manufacturing a composite molded body that can increase a processing speed and a joining strength in a different direction. The method of manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, includes the steps of: continuously irradiating a joint surface of the metal molded body with laser light at an irradiation speed of 2,000 mm/sec or more by using a continuous-wave laser; and arranging, within a mold, a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and performing injection molding of a resin forming the resin molded body, or performing compression molding in a state where a portion of the metal molded body including the joint surface irradiated with the laser light in the preceding step and a resin forming the resin molded body are made to contact with each other.
    Type: Application
    Filed: March 20, 2014
    Publication date: February 18, 2016
    Inventors: Daiji IKEDA, Yoshihiro ASAMI