Patents by Inventor Takuma Aoki

Takuma Aoki 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: 20240158668
    Abstract: A thermosetting adhesive sheet 10 for sealing the periphery of a membrane electrode assembly, which is composed of a solid polymer electrolyte membrane and electrodes placed on both sides of the solid polymer electrolyte membrane contains an adhesive layer 14. The adhesive layer 14 is formed of a cured product of an adhesive composition containing a polyurethane resin having a reactive functional group and a cross-linking agent, where the adhesive layer 14 has a gel fraction of 60 mass % or higher, a storage elastic modulus at 100° C. (G?100) of 5.0×104 Pa or higher and 1.0×108 Pa or lower, and a decreasing rate of a storage elastic modulus at 120° C. (G?120) to the storage elastic modulus at 100° C. (G?100) of 0.5 or less.
    Type: Application
    Filed: February 21, 2023
    Publication date: May 16, 2024
    Applicants: Higashiyama Film Co., Ltd., Honda Motor Co., Ltd.
    Inventors: Akira Katakura, Satoshi Aoki, Takuma Yamawaki, Masaru Oda, Satoru Terada
  • Publication number: 20240131867
    Abstract: A pneumatic tire (1) includes: a tread portion (2) including a land portion (24) divided by a plurality of main grooves (22) formed on a tread surface (21); an inner liner (7) constituting a tire inner surface (7A) on an inner side of the tread portion (2); and a mount member (10) which is provided on the tire inner surface (7A), and to which electric equipment can be attached. In the pneumatic tire (1), acetone extraction amount (AE2) of a rubber composition constituting the inner liner (7) is larger than acetone extraction amount AE1 of a rubber composition constituting the mount member (10).
    Type: Application
    Filed: February 17, 2022
    Publication date: April 25, 2024
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Takuma YOSHIZUMI, Naoya SOFUE, Daichi AOKI
  • Publication number: 20240131972
    Abstract: The vehicle cabin temperature control device comprises an air conditioning device based on a refrigeration cycle including a compressor driven by an electric motor, and including an air blowing port for blowing conditioned air into a cabin of a vehicle, and an air blowing device configured to blow conditioned air to an occupant seated on a seat and consuming less electric power than the air conditioning device, and a control unit that activates the air blowing device for a predetermined time period upon startup of the air conditioning device.
    Type: Application
    Filed: February 21, 2022
    Publication date: April 25, 2024
    Inventors: Ryosuke KOJIMA, Tomokazu KUMA, Takuma KONNO, Soichiro TANAKA, Yuto AOKI
  • Publication number: 20240123765
    Abstract: Provided is a tire in which cracks do not occur in the tire inner member during high-speed running and the occurrence of tire air leakage and detachment of electronic component mounting members is suppressed. A tire in which an electronic component mounting member for a built-in electronic component is mounted on the surface of a tire inner member, wherein the electronic component mounting member has an electronic component storage portion for storing an electronic component and a joint portion equipped with a joint surface for mounting the electronic component mounting member on the surface of the tire inner member, and the acetone extraction weight AEr (mass %) of the electronic component mounting member and the acetone extraction weight AEi (mass %) of the tire inner member satisfy (formula 1).
    Type: Application
    Filed: February 2, 2022
    Publication date: April 18, 2024
    Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Takuma YOSHIZUMI, Naoya SOFUE, Daichi AOKI
  • Publication number: 20230357538
    Abstract: An objective of the present invention is to provide a resin composition capable of improving at least either one of heat resistance and visible light transmission. A resin composition according to an aspect of the present invention contains a coloring agent and a resin, and the coloring agent contains a compound represented by a formula (I), a formula (II), a formula (III) or a formula (IV).
    Type: Application
    Filed: September 10, 2021
    Publication date: November 9, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tetsuo AKASAKA, Ayaka MATSUYAMA, Takuma AOKI, Yutaka KAWANISHI
  • Publication number: 20230348502
    Abstract: The present invention provides a novel compound represented by formula (I) or formula (II) capable of reducing the color difference before and after post-baking. [In the formula (I), Y1 and Z1 each independently represent an oxygen atom or a sulfur atom, and Z2 and Z3 each independently represent a single bond, an oxygen atom, or a sulfur atom, provided that at least one of Y1, Z1, Z2, and Z3 represents a sulfur atom, and in the formula (II), Y2 and Z4 each independently represent an oxygen atom or a sulfur atom, and Z5 represents a single bond, an oxygen atom, or a sulfur atom, provided that at least one of Y2, Z4, and Z5 represents a sulfur atom.
    Type: Application
    Filed: August 18, 2021
    Publication date: November 2, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takuma AOKI, Tomohiro NAKAYAMA, Tetsuo AKASAKA, Takahiro KUROGI
  • Publication number: 20230312869
    Abstract: The object of the present invention is to provide a colored resin composition containing an aluminum phthalocyanine pigment capable of forming a colored coating film with no foreign matter (preferably a colored coating film with no foreign matter and good adhesion). The colored resin composition of the present invention contains a colorant, a compound represented by formula (DA), a resin, and a solvent, wherein the colorant contains an aluminum phthalocyanine pigment. [In formula (DA), Rd1 represents a hydrocarbon group having 1 to 12 carbon atoms and optionally having a substituent. When the hydrocarbon group has 2 to 12 carbon atoms and the hydrocarbon group has —CH2—, —CH2— may be substituted with —O—, —S—, or —CO—. Rd2 and Rd3 each independently represent a hydrogen atom or a hydrocarbon group having 1 to 12 carbon atoms and optionally having a substituent, or Rd2 and Rd3 are combined to form a ring together with —CO—NRd1—CO—.
    Type: Application
    Filed: August 27, 2021
    Publication date: October 5, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takahiro KUROGI, Takuma AOKI, Tomohiro NAKAYAMA, Tetsuo AKASAKA, Manabu TOGAI
  • Publication number: 20230279034
    Abstract: The present invention provides a compound represented by formula (I) or formula (II) capable of reducing the color difference before and after post-baking. [In the formula (I), R1 represents a C2-C20 unsaturated hydrocarbon group optionally having a substituent; R2 represents a hydrogen atom, a C1-C20 hydrocarbon group optionally having a substituent, or a single bond connecting Z2 and R1; and Z1 and Z2 each independently represent a single bond or an oxygen atom, and in the formula (II), R3 represents a C2-C20 unsaturated hydrocarbon group optionally having a substituent; and Z3 represents a single bond or an oxygen atom].
    Type: Application
    Filed: July 21, 2021
    Publication date: September 7, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Takuma AOKI, Tomohiro NAKAYAMA, Tetsuo AKASAKA, Takahiro KUROGI, Hirofumi HAMAKI
  • Publication number: 20230130507
    Abstract: It is an object of the present invention to provide a negative resist composition that is useful for producing a color filter with a high transmittance of light at a wavelength of 440 nm. A negative resist composition of the present invention comprises a colorant and a resin, wherein the colorant contains a xanthene dye, and a cured film formed from the negative resist composition exhibits a spectrum that satisfies the following condition 1: [condition 1] a maximum absorption wavelength is present in a wavelength range of 500 to 580 nm, and based on a transmittance at the maximum absorption wavelength being 5%, a transmittance at a wavelength of 440 nm is 80% or more and a transmittance at a wavelength of 620 nm is 80% or more.
    Type: Application
    Filed: March 11, 2021
    Publication date: April 27, 2023
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tomohiro NAKAYAMA, Tetsuo AKASAKA, Takuma AOKI, Taku MIYAZAWA
  • Publication number: 20220334477
    Abstract: An object of the present invention is to provide a colored curable resin composition for forming an optical filter in which the occurrence of foreign matter is reduced. The present invention relates to a colored curable resin composition containing a colorant, a resin, a polymerizable compound, and a polymerization initiator, wherein the colorant is a colorant containing a compound represented by formula (I) or formula (II).
    Type: Application
    Filed: September 30, 2020
    Publication date: October 20, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tetsuo AKASAKA, Katsuharu INOUE, Takuma AOKI, Yutaka KAWANISHI
  • Publication number: 20220289944
    Abstract: A colored resin composition containing a colorant, a resin, and a solvent, wherein a transmittance when a film having a film thickness of 1 ?m is formed satisfies the following conditions: (1) a maximum value of the transmittance in a wavelength range of 400 to 800 nm is 30% or less; and (2) a minimum value of the transmittance in a wavelength range of 1,050 to 1,300 nm is 90% or more, and a colored resin composition containing a colorant, a resin, and a solvent, wherein a transmittance when a film having a film thickness of 1 ?m is formed satisfies the following conditions: (1) a maximum value of the transmittance in a wavelength range of 400 to 800 nm is 30% or less; and (2) a minimum value of the transmittance in a wavelength range of 1,050 to 1,300 nm is 90% or more.
    Type: Application
    Filed: September 30, 2020
    Publication date: September 15, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Katsuharu INOUE, Tetsuo AKASAKA, Takuma AOKI
  • Patent number: 6778337
    Abstract: An optical attenuator (8) has a substrate (glass substrate) (1) and an optical attenuation film (2) that attenuates an input light with a predetermined optical attenuation factor, and the optical attenuation film (2) is disposed on a light input face (3) of the substrate (1). An angle defined by the light input face (3) and the light output face (4) of the substrate (1) is set to 0.15° to 0.5°. A protective film (5) for preventing the deterioration of the optical attenuation film (2) is formed on a surface of the optical attenuation film (2).
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: August 17, 2004
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Takuma Aoki, Kouki Sato, Nobuyuki Shibata, Toshimitsu Nishiwaki, Mizuki Oike
  • Patent number: 6714365
    Abstract: An optical module according to the present invention has a package, an optical element, and a mounting stage interposed between the optical element and the package. The surface of the mounting stage to which the optical element is bonded is smoother than the bottom surface of the package to which the mounting stage is fixed.
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: March 30, 2004
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Takuma Aoki, Hiroshi Matsuura
  • Publication number: 20020085285
    Abstract: An optical attenuator (8) has a substrate (glass substrate) (1) and an optical attenuation film (2) that attenuates an input light with a predetermined optical attenuation factor, and the optical attenuation film (2) is disposed on a light input face (3) of the substrate (1). An angle defined by the light input face (3) and the light output face (4) of the substrate (1) is set to 0.15° to 0.5°. A protective film (5) for preventing the deterioration of the optical attenuation film (2) is formed on a surface of the optical attenuation film (2).
    Type: Application
    Filed: November 30, 2001
    Publication date: July 4, 2002
    Inventors: Takuma Aoki, Kouki Sato, Nobuyuki Shibata, Toshimitsu Nishiwaki, Mizuki Oikea
  • Publication number: 20020071188
    Abstract: An optical module according to the present invention has a package, an optical element, and a mounting stage interposed between the optical element and the package. The surface of the mounting stage to which the optical element is bonded is smoother than the bottom surface of the package to which the mounting stage is fixed.
    Type: Application
    Filed: October 3, 2001
    Publication date: June 13, 2002
    Inventors: Takuma Aoki, Hiroshi Matsuura