Patents by Inventor Yuuji Tanaka

Yuuji Tanaka 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: 11971633
    Abstract: An electrode structure includes: a plurality of pixel electrodes arranged separately from each other; and a plurality of dielectric layers laminated in a first direction with respect to the plurality of pixel electrodes, in which the plurality of dielectric layers includes: a first dielectric layer that spreads over the plurality of pixel electrodes in a direction intersecting with the first direction; and a second dielectric layer that includes dielectric material having a refractive index higher than that of the first dielectric layer, sandwiches the first dielectric layer together with the plurality of pixel electrodes, and has a slit at a position overlapping space between pixel electrodes adjacent when viewed from the first direction.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 30, 2024
    Assignees: SONY SEMICONDUCTOR SOLUTIONS CORPORATION, SONY GROUP CORPORATION
    Inventors: Takashi Sakairi, Tomoaki Honda, Tsuyoshi Okazaki, Keiichi Maeda, Chiho Araki, Katsunori Dai, Shunsuke Narui, Kunihiko Hikichi, Kouta Fukumoto, Toshiaki Okada, Takuma Matsuno, Yuu Kawaguchi, Yuuji Adachi, Koichi Amari, Hideki Kawaguchi, Seiya Haraguchi, Takayoshi Masaki, Takuya Fujino, Tadayuki Dofuku, Yosuke Takita, Kazuhiro Tamura, Atsushi Tanaka
  • Publication number: 20240117077
    Abstract: A composition containing polytetrafluoroethylene and substantially free from a compound represented by Formula (3): (H—(CF2)8—SO3)qM2 wherein M2 is H, a metal atom, NR54 (where R5s may be the same as or different from each other and are each H or an organic group having 1 to 10 carbon atoms), an imidazolium optionally having a substituent, a pyridinium optionally having a substituent, or a phosphonium optionally having a substituent, and q is 1 or 2. Also disclosed is a molded boy including the composition.
    Type: Application
    Filed: November 7, 2023
    Publication date: April 11, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro TAIRA, Kazuhiro MISHIMA, Chiaki OKUI, Tadao HAYASHI, Hirotoshi YOSHIDA, Yuuji TANAKA, Masayoshi MIYAMOTO, Taku YAMANAKA, Taketo KATO
  • Patent number: 11851519
    Abstract: A method for producing an aqueous dispersion of purified polytetrafluoroethylene, the method including: removing or reducing a compound represented by Formula (1) or (2) below from an aqueous dispersion of polytetrafluoroethylene obtained using a hydrocarbon surfactant: (H—(CF2)m—COO)pM1; or??Formula (1): (H—(CF2)n—SO3)qM2.??Formula (2): Also disclosed is a composition containing polytetrafluoroethylene substantially free from a compound represented by Formula (3) below and a molded body including the composition: (H—(CF2)8—SO3)qM2.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: December 26, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro Taira, Kazuhiro Mishima, Chiaki Okui, Tadao Hayashi, Hirotoshi Yoshida, Yuuji Tanaka, Masayoshi Miyamoto, Taku Yamanaka, Taketo Kato
  • Patent number: 11814490
    Abstract: Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having an average particle size of 1.0 to 50 ?m, and containing 30 or more carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: November 14, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Ken Yoshida, Hirotoshi Yoshida, Keisuke Hagi, Masayuki Tsuji, Taketo Kato, Yuuji Tanaka, Taku Yamanaka, Kazuya Kawahara, Masamichi Sukegawa, Kazutaka Hosokawa
  • Publication number: 20230352250
    Abstract: A photoelectric conversion element including: first support; first electrode; electron-transporting layer; photoelectric conversion layer; hole-transporting layer; and second electrode, the hole-transporting layer including polymer including recurring unit of General Formula (1) below and compound of General Formula (2): where Ar1 represents aromatic hydrocarbon, which may have substituent; Ar2 and Ar3 each independently represent bivalent group of monocyclic aromatic hydrocarbon, non-condensed polycyclic aromatic hydrocarbon, or condensed polycyclic aromatic hydrocarbon, which may have substituent; Ar4 represents bivalent group of benzene, thiophene, biphenyl, anthracene, or naphthalene, which may have substituent; R1 to R4 each independently represent hydrogen, alkyl, or aryl; and n represents integer that is 2 or more and allows the polymer of General Formula (1) to have weight average molecular weight of 2,000 or more; and where R5 to R9, which may be identical or different, represent hydrogen, ha
    Type: Application
    Filed: March 12, 2021
    Publication date: November 2, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei, Takahiro Ide
  • Patent number: 11756743
    Abstract: A photoelectric conversion element may include a first substrate, a first transparent electrode disposed on the first substrate, a hole-blocking layer disposed on the first transparent electrode, an electron-transporting layer that is disposed on the hole-blocking layer and includes an electron-transporting semiconductor on a surface of which a photosensitizing compound is adsorbed, a hole-transporting layer that is connected to the electron-transporting layer and includes a hole-transporting material, and a second electrode disposed on the hole-transporting layer, wherein the photoelectric conversion element includes an output extraction terminal part configured to extract electricity out from the photoelectric conversion element, and the output extraction terminal part is formed with a plurality of micropores piercing through the hole-blocking layer.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: September 12, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Tsuyoshi Matsuyama, Yuuji Tanaka, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Patent number: 11739205
    Abstract: A method for producing a composition containing low molecular weight polytetrafluoroethylene, the method including: (I) irradiating a composition containing high molecular weight polytetrafluoroethylene with ionizing radiation to obtain a composition containing low molecular weight polytetrafluoroethylene having a melt viscosity at 380° C. in the range of 1.0×102 to 7.0×105 Pa·s; and (II) carrying out fluorination treatment on the composition containing low molecular weight polytetrafluoroethylene obtained above.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: August 29, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masayuki Tsuji, Taku Yamanaka, Yuuji Tanaka
  • Patent number: 11706938
    Abstract: Photoelectric conversion element including: substrate; first electrode; hole-blocking layer; photoelectric conversion layer; and second electrode, the photoelectric conversion layer including electron-transporting layer and hole-transporting layer, wherein in photoelectric conversion element edge part in direction orthogonal to stacking direction of the substrate, first electrode, hole-blocking layer, photoelectric conversion layer, and second electrode, electron-transporting layer outermost end is positioned inside than first electrode outermost end, hole-transporting layer outermost end is positioned outside than second electrode outermost end, and the second electrode outermost end is positioned inside than the electron-transporting layer outermost end, and height of edge part including the first electrode outermost end in the stacking direction is smaller than total of average thicknesses of first electrode, hole-blocking layer, and electron-transporting layer, where the height is distance between substra
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: July 18, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naomichi Kanei, Nozomu Tamoto, Yuuji Tanaka
  • Patent number: 11692047
    Abstract: A method for producing low molecular weight polytetrafluoroethylene which includes: (1) feeding into an airtight container in the absence of oxygen: high molecular weight polytetrafluoroethylene: and a halogenated polymer having a halogen atom other than a fluorine atom; and (2) irradiating the high molecular weight polytetrafluoroethylene to provide low molecular weight polytetrafluoroethylene having a melt viscosity at 380° C. of 1.0×102 to 7.0×105 Pa·s.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: July 4, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masayuki Tsuji, Yuuji Tanaka, Hirokazu Yukawa
  • Publication number: 20230183430
    Abstract: Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having an average particle size of 1.0 to 50 ?m, and containing 30 or more carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.
    Type: Application
    Filed: January 30, 2023
    Publication date: June 15, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Ken YOSHIDA, Hirotoshi YOSHIDA, Keisuke HAGI, Masayuki TSUJI, Taketo KATO, Yuuji TANAKA, Taku YAMANAKA, Kazuya KAWAHARA, Masamichi SUKEGAWA, Kazutaka HOSOKAWA
  • Publication number: 20230189540
    Abstract: A solar cell module includes a first substrate and a plurality of photoelectric conversion elements disposed on the first substrate. Each of the plurality of photoelectric conversion elements includes a first electrode, an electron transport layer, a perovskite layer, a hole transport layer, and a second electrode. In at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers are extended continuous layers; and the first electrodes, the electron transport layers, and the perovskite layers in the at least two of the photoelectric conversion elements adjacent to each other are separated by the hole transport layer. The hole transport layer includes, as hole transport material, a polymer having a weight average molecular weight of 2,000 or more or a compound having a molecular weight of 2,000 or more.
    Type: Application
    Filed: July 15, 2020
    Publication date: June 15, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Tamotsu Horiuchi, Takahiro Ide, Yuuji Tanaka, Nozomu Tamoto, Naomichi Kanei, Masana Shiba
  • Publication number: 20230171975
    Abstract: A photoelectric conversion element includes: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; a sealing part; and a second substrate. The photoelectric conversion element is translucent. The second electrode includes a conductive nanowire and a conductive polymer. The sealing part includes a drying agent.
    Type: Application
    Filed: November 16, 2022
    Publication date: June 1, 2023
    Inventors: Yuuji TANAKA, Masato TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Publication number: 20230142134
    Abstract: [Summary] The present invention is to provide a photoelectric conversion element with excellent productivity, initial output performance and durability. [Tasks] A photoelectric conversion element in which a first substrate, a first electrode, a photoelectric conversion layer, a second electrode, and a second substrate are sequentially laminated, includes an adhesive layer surrounding at least the photoelectric conversion layer, wherein a clearance surrounding an outer edge of the adhesive layer is formed between the outer edge of the adhesive layer and an outer edge of the first substrate in a plan view.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 11, 2023
    Inventors: Masato TANAKA, Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Publication number: 20230134849
    Abstract: A photoelectric conversion element includes: a first electrode; a photoelectric conversion layer; and a second electrode. The photoelectric conversion element includes a scaling part disposed so as to cover at least side surfaces of the photoelectric conversion layer and the second electrode. The sealing part includes a pressure-sensitive adhesive.
    Type: Application
    Filed: September 29, 2022
    Publication date: May 4, 2023
    Inventors: Masato TANAKA, Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI
  • Patent number: 11629238
    Abstract: Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having an average particle size of 1.0 to 50 ?m, and containing 30 or more carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: April 18, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Ken Yoshida, Hirotoshi Yoshida, Keisuke Hagi, Masayuki Tsuji, Taketo Kato, Yuuji Tanaka, Taku Yamanaka, Kazuya Kawahara, Masamichi Sukegawa, Kazutaka Hosokawa
  • Patent number: 11618806
    Abstract: A method for producing a composition containing low molecular weight polytetrafluoroethylene, the method including: (I) irradiating a composition containing high molecular weight polytetrafluoroethylene with ionizing radiation to obtain a composition containing low molecular weight polytetrafluoroethylene having a melt viscosity at 380° C. in the range of 1.0×102 to 7.0×105 Pa·s; and (II) carrying out at least one selected from the group consisting of washing treatment, steam treatment and decompression treatment on the composition containing low molecular weight polytetrafluoroethylene.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: April 4, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masayuki Tsuji, Takayuki Nakamura, Hirotoshi Yoshida, Yuuji Tanaka
  • Publication number: 20230101829
    Abstract: A composition including a fluoropolymer and substantially free from a compound represented by the following formula (3): (H—(CF2)8—SO3)qM2, wherein M2 is H, a metal atom, NR54, imidazolium optionally containing a substituent, pyridinium optionally containing a substituent, or phosphonium optionally containing a substituent; R5s are each H or an organic group and are the same as or different from each other; and q is 1 or 2.
    Type: Application
    Filed: October 26, 2022
    Publication date: March 30, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Satoru YONEDA, Manabu FUJISAWA, Kazuya ASANO, Takahiro KITAHARA, Masahiro HIGASHI, Akiyoshi YAMAUCHI, Sumi ISHIHARA, Yosuke KISHIKAWA, Shinnosuke NITTA, Marina NAKANO, Hirotoshi YOSHIDA, Yoshinori NANBA, Kengo ITO, Chiaki OKUI, Hirokazu AOYAMA, Masamichi SUKEGAWA, Taku YAMANAKA, Yuuji TANAKA, Kenji ICHIKAWA, Yohei FUJIMOTO, Hiroyuki SATO
  • Patent number: 11594382
    Abstract: Provided is a solar cell module including photoelectric conversion elements, wherein each of the photoelectric conversion elements includes a first substrate, and a first electrode, a hole blocking layer, an electron transport layer, a hole transport layer, a second electrode, and a second substrate on the first substrate, and a sealing member between the first substrate and the second substrate, and wherein, within at least two of the photoelectric conversion elements adjacent to each other, the hole-blocking layers are not extended to each other but the hole transport layers are in a state of a continuous layer where the hole transport layers are extended to each other.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: February 28, 2023
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuuji Tanaka, Tamotsu Horiuchi, Nozomu Tamoto, Takahiro Ide, Naomichi Kanei
  • Patent number: 11575095
    Abstract: Provided is a photoelectric conversion device including: a support; a charge-transporting layer including an organic charge-transporting material or a sensitizing dye electrode layer including an organic sensitizing dye, where the charge-transporting layer or the sensitizing dye electrode layer is disposed on the support; and a ceramic film disposed on the charge-transporting layer or the sensitizing dye electrode layer.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Kubo, Hidetoshi Kami, Suzuka Nozoe, Tomoharu Asano, Tetsuya Toshine, Nozomu Tamoto, Yuuji Tanaka, Naomichi Kanei
  • Patent number: 11548989
    Abstract: A method for producing a composition containing low molecular weight polytetrafluoroethylene, the method including: (I) irradiating a composition containing high molecular weight polytetrafluoroethylene with ionizing radiation to obtain a composition containing low molecular weight polytetrafluoroethylene having a melt viscosity at 380° C. in the range of 1.0×102 to 7.0×105 Pa·s; and (II) decomposing a low molecular weight fluorine-containing compound contained in the composition containing low molecular weight polytetrafluoroethylene obtained above.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: January 10, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Masayuki Tsuji, Takayuki Nakamura, Yuuji Tanaka