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).

  • Publication number: 20220392714
    Abstract: A photoelectric conversion element including: a first substrate; a first electrode; a photoelectric conversion layer; a second electrode; and a second substrate, wherein the photoelectric conversion element includes a sealing part sealing at least the photoelectric conversion layer, the sealing part is disposed so as to surround periphery of the photoelectric conversion layer, and a width of the sealing part disposed at each side has a minimum width A and a maximum width B in a width direction, and a ratio (B/A) of the maximum width B to the minimum width A is 1.02 or more but 5.0 or less.
    Type: Application
    Filed: November 30, 2020
    Publication date: December 8, 2022
    Inventors: Naomichi KANEI, Tamotsu HORIUCHI, Yuuji TANAKA, Nozomu TAMOTO, Tetsuya HONDA
  • Patent number: 11512155
    Abstract: A method for producing a fluoropolymer of the invention which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a-Aa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-Ab.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: November 29, 2022
    Assignee: 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: 11502264
    Abstract: A photoelectric conversion element including: a first electrode; a hole blocking layer; a photoelectric conversion layer; a second electrode; a third electrode; a photoelectric conversion part in which the first electrode, the hole blocking layer, the photoelectric conversion layer, and the second electrode are stacked; an electrode contact part in which the second electrode is in contact with the third electrode; and a division part dividing the photoelectric conversion part and the electrode contact part, wherein an area (S1) where the second electrode is in contact with the third electrode in the electrode contact part and an area (S2) of the photoelectric conversion part satisfy expression (1) below: 1.0×10?5?100×(S1/S2) . . . expression (1).
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 15, 2022
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naomichi Kanei, Nozomu Tamoto, Yuuji Tanaka, Tamotsu Horiuchi
  • Publication number: 20220319249
    Abstract: A vehicle includes at least one driving operation unit configured to receive a driving operation of a driver of the vehicle; at least one sensor configured to detect a driving operation performed on the driving operation unit; and a control device configured to receive a signal input from the at least one sensor. The control device includes one or more processors; and one or more memories coupled to the one or more processors. The one or more processors are configured to derive driving result information for evaluating the driving operation, based on at least the signal input from the at least one sensor; execute processing for storing the derived driving result information in a storage device as history information; read the history information stored in the storage device; and output output information based on a comparison result between the derived driving result information and the read history information.
    Type: Application
    Filed: June 2, 2022
    Publication date: October 6, 2022
    Inventors: Kazuki UMEDA, Yuuji TANAKA, Shuji MAEDA
  • Publication number: 20220302399
    Abstract: A photoelectric conversion element includes a first electrode section; a second electrode section; an electron-transporting section between the first electrode section and the second electrode section; a light-absorbing section; and a hole-transporting section. The hole-transporting section has a peak that reaches maximum at a Raman shift of 1575 cm?1±10 cm?1 and a peak that reaches maximum at a Raman shift of 1606 cm ?1±10 cm?1 in a Raman spectrum obtained by emitting laser light having a wavelength of 532 nm; and has a peak intensity ratio A/B of 0.80 or more, the peak intensity ratio A/B being obtained from a maximum peak intensity A of the peak that reaches maximum at 1575 cm?1±10 cm?1 and a maximum peak intensity B of the peak that reaches maximum at 1606 cm?1±10 cm?1.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 22, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Nozomu Tamoto, Yuuji Tanaka, Tamotsu Horiuchi, Naomichi Kanei, Takahiro Ide, Yoshiaki Masuda
  • Publication number: 20220169830
    Abstract: A surfactant for polymerization including at least one selected from a surfactant represented by R1a—CO—R2a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb, wherein R1a, R2a, R3a, Xa, R1b, R2b, R3b, R4b, L and Xb are as defined herein. Also disclosed is a composition containing a fluoropolymer and the at least one surfactant, a composition containing a fluoropolymer and a compound represented by (H—(CF2)8—SO3)qM2, where M2 is as defined herein, and a molded article made from the composition containing a fluoropolymer and the compound represented by (H—(CF2)8—SO3)qM2.
    Type: Application
    Filed: February 15, 2022
    Publication date: June 2, 2022
    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, Hiroyuki SATO, Yuuji TANAKA, Kenji ICHIKAWA, Yohei FUJIMOTO
  • Publication number: 20220119556
    Abstract: A composition having a breaking strength of 10.0 N or more, containing a polytetrafluoroethylene, and substantially free from a compound represented by the following general formula (3): (H—(CF2)8—SO3)qM2??General Formula (3): wherein M2 is H, a metal atom, NR54, where each R5 may be the same or different and is H or an organic group having 1 to 10 carbon atoms, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and q is 1 or 2.
    Type: Application
    Filed: February 7, 2020
    Publication date: April 21, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro TAIRA, Chiaki OKUI, Hirotoshi YOSHIDA, Yuuji TANAKA, Taku YAMANAKA, Taketo KATO
  • Publication number: 20220107275
    Abstract: Provided are a method for inspecting a refrigerant pipe, the method being able to quickly determine durability, and a refrigerant pipe confirmed to be highly durable. The method is a method for inspecting a refrigerant pipe containing copper or a copper alloy. In the method, the refrigerant pipe is exposed to an aqueous alkaline solution and inspected based on a color change of the refrigerant pipe due to exposure of the refrigerant pipe to the aqueous alkaline solution.
    Type: Application
    Filed: January 27, 2020
    Publication date: April 7, 2022
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shouhei ARAKI, Kunihiro OKADA, Hideo OHYA, Keisuke IMAZU, Sayumi HAMA, Yuuji TANAKA
  • Publication number: 20220102651
    Abstract: Provided is a photoelectric conversion element including a first electrode, an electron-transporting layer, a hole-transporting layer, and a second electrode, wherein the hole-transporting layer includes a hole-transporting material, an alkali metal salt, and a hypervalent iodine compound.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 31, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Yuuji TANAKA, Tamotsu Horiuchi, Nozomu Tamoto, Naomichi Kanei, Takahiro lde, Tetsuya Honda, Masana Shiba
  • Patent number: 11279814
    Abstract: A method for producing a fluoropolymer which includes polymerizing a fluoromonomer in an aqueous medium in the presence of a surfactant to provide a fluoropolymer. The surfactant includes at least one selected from the group consisting of a surfactant represented by R1a—CO—R2a—CO—R3a—OSO3Xa and a surfactant represented by R1b—CO—(CR2b2)n—(OR3b)p—(CR4b2)q-L-OSO3Xb.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: March 22, 2022
    Assignee: 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, Hiroyuki Sato, Yuuji Tanaka, Kenji Ichikawa, Yohei Fujimoto
  • Publication number: 20210366662
    Abstract: A solar cell module (100) including: a substrate (1); and a plurality of photoelectric conversion elements disposed on the substrate (1), each of the plurality of photoelectric conversion elements including a first electrode (2a, 2b), an electron transport layer (3, 4), a perovskite layer (5), a hole transport layer (6), and a second electrode (7a, 7b), wherein, within at least two of the photoelectric conversion elements adjacent to each other, the hole transport layers (6) are continuous with each other, and the first electrodes (2a, 2b), the electron transport layers (3, 4), and the perovskite layers (5) are separated by the hole transport layer (6) within the at least two of the photoelectric conversion elements adjacent to each other.
    Type: Application
    Filed: September 25, 2019
    Publication date: November 25, 2021
    Inventors: Tamotsu HORIUCHI, Nozomu TAMOTO, Takahiro IDE, Yuuji TANAKA, Naomichi KANEI
  • Publication number: 20210363031
    Abstract: A method for removing a fluorine-containing compound from discharge water, which includes bringing discharge water containing two or more fluorine-containing compounds represented by the following general formula (1) or (2) into contact with an adsorbent so as to adsorb the two or more fluorine-containing compounds: (H—(CF2)m—COO)pM1??General Formula (1): wherein m is 3 to 19, M1 is H, a metal atom, NRb4, where Rb is the same or different and is H or an organic group having 1 to 10 carbon atoms, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and p is 1 or 2; (H—(CF2)n—SO3)qM2??General Formula (2): wherein n is 4 to 20; M2 is H, a metal atom, NRb4, where Rb is the same as above, imidazolium optionally having a substituent, pyridinium optionally having a substituent, or phosphonium optionally having a substituent; and q is 1 or 2.
    Type: Application
    Filed: October 3, 2019
    Publication date: November 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takahiro TAIRA, Tadao HAYASHI, Chiaki OKUI, Ryou HATAYAMA, Michinobu KOIZUMI, Taketo KATO, Yuuji TANAKA, Hirotoshi YOSHIDA
  • Publication number: 20210363311
    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: Application
    Filed: February 5, 2019
    Publication date: November 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Masayuki TSUJI, Takayuki NAKAMURA, Hirotoshi YOSHIDA, Yuuji TANAKA
  • Publication number: 20210296597
    Abstract: A photoelectric conversion element including: a first electrode; an electron-transporting layer; a hole-transporting layer; and a second electrode. The electron-transporting layer, the hole-transporting layer, and the second electrode are on or above the first electrode. The second electrode includes a charge-collecting layer. The charge-collecting layer includes a conductive nanowire and a conductive polymer that covers at least part of the conductive nanowire and is stacked on the hole-transporting layer.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 23, 2021
    Inventors: Yuuji TANAKA, Nozomu TAMOTO, Naomichi KANEI, Masato TANAKA, Tamotsu HORIUCHI
  • Publication number: 20210280809
    Abstract: A photoelectric conversion element including: a first electrode; a hole blocking layer; a photoelectric conversion layer; a second electrode; a third electrode; a photoelectric conversion part in which the first electrode, the hole blocking layer, the photoelectric conversion layer, and the second electrode are stacked; an electrode contact part in which the second electrode is in contact with the third electrode; and a division part dividing the photoelectric conversion part and the electrode contact part, wherein an area (S1) where the second electrode is in contact with the third electrode in the electrode contact part and an area (S2) of the photoelectric conversion part satisfy expression (1) below: 1.0×10?5?100×(S1/S2) . . . expression (1).
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Naomichi KANEI, Nozomu TAMOTO, Yuuji TANAKA, Tamotsu HORIUCHI
  • Publication number: 20210280810
    Abstract: A photoelectric conversion element including: a first electrode; a photoelectric conversion layer; and a second electrode, wherein the photoelectric conversion layer includes an electron-transporting layer and a hole-transporting layer, the electron-transporting layer includes a lithium ion, the hole-transporting layer includes an organic hole-transporting material and a lithium salt, and lithium included in the electron-transporting layer is more than lithium included in the hole-transporting layer.
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Inventors: Nozomu TAMOTO, Yuuji TANAKA, Naomichi KANEI, Tamotsu HORIUCHI, Suzuka NOZOE
  • Publication number: 20210273193
    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: Application
    Filed: February 25, 2021
    Publication date: September 2, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Naomichi KANEI, Nozomu TAMOTO, Yuuji TANAKA
  • Patent number: 11101080
    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: Grant
    Filed: March 25, 2020
    Date of Patent: August 24, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yuuji Tanaka, Tamotsu Horiuchi, Naomichi Kanei
  • Patent number: 11081662
    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: Grant
    Filed: May 13, 2020
    Date of Patent: August 3, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Yuuji Tanaka, Tsuyoshi Matsuyama, Tamotsu Horiuchi, Takahiro Ide, Tokushige Kino, Shigeyo Suzuki, Naomichi Kanei
  • Patent number: 11069485
    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: Grant
    Filed: June 12, 2020
    Date of Patent: July 20, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Naomichi Kanei, Yuuji Tanaka, Ryota Arai, Tamotsu Horiuchi