Patents by Inventor Ayaka TANAKA

Ayaka 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: 11964495
    Abstract: Provided is an ink set including: an ink containing a cyan pigment; an ink containing a magenta pigment; and an ink containing a yellow pigment, wherein the proportion of the cyan pigment is 0.70% by mass or greater but 1.40% by mass or less, and wherein the proportion of the magenta pigment and the proportion of the yellow pigment are both higher than the proportion of the cyan pigment.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: April 23, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiromi Sakaguchi, Itsuro Sasaki, Ayaka Tanaka, Naoto Shimura, Shunsuke Horie, Hiroshi Gotou, Yuta Nakamura
  • Patent number: 11952423
    Abstract: A novel antibody that can be used as an anti-tumor agent and an anti-tumor agent that comprises, as an active ingredient, a molecule containing such an antibody.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: April 9, 2024
    Assignees: MIE UNIVERSITY, DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Hiroshi Shiku, Yasushi Akahori, Kento Tanaka, Ayaka Yatsu, Junya Ichikawa, Toshiaki Ohtsuka, Shiho Kozuma, Ryuji Hashimoto, Makiko Nakayama, Naoya Shinozaki, Kensuke Nakamura, Ichiro Watanabe, Shinji Furuzono
  • Publication number: 20230303883
    Abstract: A set of liquid compositions contains a white ink, a first processing fluid containing an organic acid salt, and a second processing fluid containing a resin, wherein the first processing fluid is applied to fabric before the second processing fluid is applied thereto, and the second processing fluid is applied to the fabric before the white ink is applied thereto.
    Type: Application
    Filed: March 21, 2023
    Publication date: September 28, 2023
    Applicant: Ricoh Company, Ltd.
    Inventors: Toshiyuki KOBASHI, Ayaka Tanaka
  • Publication number: 20230303869
    Abstract: An ink discharging device contains an ink containing an organic solvent with an SP value of from 9.0 to 12.0, a white pigment, a polyurethane resin with a glass transition temperature Tg of 0 degrees C. or lower, and water, and an ink discharging unit including a nozzle plate including a liquid repellent layer containing a silicone resin, the ink discharging unit for discharging the ink, wherein the proportion of the organic solvent to the entire of the ink is from 0.5 to 2.5 percent by mass and the proportion of the white pigment to the entire of the ink is from 6 to 15 percent by mass.
    Type: Application
    Filed: March 16, 2023
    Publication date: September 28, 2023
    Applicant: Ricoh Cpmpany, Ltd.
    Inventors: Daisuke Ozaki, Toshiyuki Kobashi, Hiroshi Gotou, Ayaka Tanaka, Juichi Furukawa
  • Patent number: 11690378
    Abstract: The present invention provides a compound that have excellent harmful arthropod controlling effects, the compounds being represented by formula (I) [wherein Q represents a group represented by formula Q1 or the like, Z represents an oxygen atom or a sulfur atom, A1 represents a nitrogen atom or CR6a, A2 represents a nitrogen atom or CR6b, A3 represents a nitrogen atom or CR6c, A4 represents CR1a or the like, A5 represents a nitrogen atom or CR6e or the like, A6 represents a nitrogen atom or CR6f, R6a represents a hydrogen atom or the like, R6b represents a C1-C6 chain hydrocarbon group or the like, R6c, R6e, R6f are identical to or different from each other, and each represents a C1-C6 chain hydrocarbon group or the like, R1a represents a C1-C6 chain hydrocarbon group or the like, R2 represents a C1-C6 chain hydrocarbon group or the like, R3 represents a C1-C6 chain hydrocarbon group or the like, and n is 0, 1 or 2] or its N oxide compound.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: July 4, 2023
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka Tanaka, Naoya Sugimoto
  • Patent number: 11603478
    Abstract: An ink contains water, an organic solvent, a polyurethane resin, and a cyclic ester including a structure represented by Chemical formula I, wherein the proportion of the cyclic ester having a crystal having a particle diameter of 1 ?m or greater is less than 4 ppm of the total of the ink after the ink is allowed to stand at a temperature range of from 20 to 30 degrees C. for 30 days.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: March 14, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Hiroshi Gotou, Ayaka Tanaka, Hiromi Sakaguchi
  • Publication number: 20220389254
    Abstract: A liquid discharge apparatus includes: an ink composition containing 2-pyrrolidone and an alcohol having a main chain having 6 or less carbon atoms; a liquid discharge unit configured to discharge the ink composition from a nozzle formed in a nozzle surface; and a wiping unit configured to wipe the nozzle surface. The wiping unit includes a wiping member including protrusion-shape fibers. Each of the protrusion-shape fibers has a protruded portion in a cross-section orthogonal to a fiber axis thereof. The protruded portion is continuous in a direction along the fiber axis.
    Type: Application
    Filed: May 24, 2022
    Publication date: December 8, 2022
    Inventors: Ayaka TANAKA, Takumi ATAKE, Yohta SAKON
  • Publication number: 20220379619
    Abstract: A liquid discharge apparatus includes: an ink composition containing a resin in an amount of 6.0% by mass or more; a liquid discharge unit configured to discharge the ink composition from a nozzle formed in a nozzle surface; and a wiping unit configured to wipe the nozzle surface. The wiping unit includes a wiping member including protrusion-shape fibers. Each of the protrusion-shape fibers has a protruded portion in a cross-section orthogonal to a fiber axis thereof. The protruded portion is continuous in a direction along the fiber axis.
    Type: Application
    Filed: May 19, 2022
    Publication date: December 1, 2022
    Inventors: Ayaka TANAKA, Takumi ATAKE, Yohta SAKON
  • Publication number: 20220324871
    Abstract: A compound of formula (C-7), wherein RQ represents a fluorine atom, a chlorine atom, or a —S(O)nR2; RQ2 represents a —S(O)nR2; R2 represents an ethyl group; n represents 0, 1, or 2; R3b represents a chlorine atom; and R3c represents a hydrogen atom.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka TANAKA, Naoya SUGIMOTO, Risa KONO, Yoshihiko NOKURA
  • Patent number: 11407756
    Abstract: A compound controlling harmful arthropods, represented by formula (I) [wherein Q represents a group represented by Q1 or a group represented by Q2; Z represents an oxygen atom or a sulfur atom; A1 represents a nitrogen atom; A2 represents a CR4a; A3 represents a nitrogen atom or a CR4b; B1 represents a CR1; B2 represents a nitrogen atom or a CR6b; B3 represents a nitrogen atom or a CR6c; R1 represents a C1-C6 chain hydrocarbon group having one or more substituent(s) selected from the group consisting of a cyano group and a halogen atom; R2 represents a C1-C6 chain hydrocarbon group; R3 represents a C1-C6 chain hydrocarbon group; R4a, R4b, R6b, and R6c are identical to or different from each other, and each represent a hydrogen atom; n represents 0, 1, or 2; and q represents 0, 1, 2, or 3] or an N-oxide compound thereof.
    Type: Grant
    Filed: December 25, 2018
    Date of Patent: August 9, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka Tanaka, Naoya Sugimoto, Risa Kono, Yoshihiko Nokura
  • Patent number: 11399539
    Abstract: A heterocyclic compound that exhibits superior control effects against harmful arthropods is provided. In particular, a heterocyclic compound of formula (I) is provided, wherein the variable groups are as defined in the specification. Also provided is a composition containing the heterocyclic compound of formula (I) and one or more types of components selected from the components described in the specification.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: August 2, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka Tanaka, Masaru Shimomura, Yoshihiko Nokura, Shinichiro Murakami
  • Patent number: 11370226
    Abstract: A PC causes a printing apparatus to print a color chart sheet including a color chart and a first image, the first image indicating a color measurement start position and a color measurement start direction of a colorimeter in a forward path in a leading line of the color chart.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 28, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Ayako Kobayashi, Ayaka Tanaka, Haruki Asakura
  • Patent number: 11344029
    Abstract: A heterocyclic compound is represented by formula (I): in which R2 represents a C1-C6 alkyl group optionally having one or more halogen atoms, n is 0, R3 represents a C1-C6 chain hydrocarbon group optionally having one or more substituents selected from Group B, q is 0, Het represents a group represented by the formulae Het 1 or Het 2, A1 represents a nitrogen atom, and Q2 represents an oxygen atom. The compound has excellent efficacy for controlling harmful arthropods. A composition is provided which contains the compound of formula (I) and one or more additional ingredients.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: May 31, 2022
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka Tanaka, Naoya Sugimoto, Takeshi Tsuruda
  • Publication number: 20220135537
    Abstract: The present invention provides a compound having an excellent control effect against harmful arthropods, which is represented by formula (I) [wherein A1 represents CR1b etc., A2 represents CR1c etc., T represents a C1-C10 chain hydrocarbon group which is substituted with one or more halogen atoms etc., Q represents an oxygen atom etc., R1a, R1b and R1c are identical to or different from each other, and each represents a C1-C6 alkyl group etc., R2 represents a C1-C6 alkyl group etc., R3 represents a C1-C6 chain hydrocarbon group etc., n is 0, 1 or 2, and q is 0, 1, 2 or 3.], as well as a composition for controlling harmful arthropod comprising the same compound, and a method for controlling harmful arthropod comprising applying the same compound.
    Type: Application
    Filed: February 19, 2020
    Publication date: May 5, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ayaka TANAKA, Yoshihiko NOKURA, Yuji NAKAJIMA
  • Publication number: 20220095620
    Abstract: The present invention provides a compound having an excellent control effect on a harmful arthropod.
    Type: Application
    Filed: January 30, 2020
    Publication date: March 31, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masayuki TASHIRO, Ayaka TANAKA, Shinichiro MURAKAMI
  • Publication number: 20220024217
    Abstract: Provided is an ink set including: an ink containing a cyan pigment; an ink containing a magenta pigment; and an ink containing a yellow pigment, wherein the proportion of the cyan pigment is 0.70% by mass or greater but 1.40% by mass or less, and wherein the proportion of the magenta pigment and the proportion of the yellow pigment are both higher than the proportion of the cyan pigment.
    Type: Application
    Filed: January 21, 2020
    Publication date: January 27, 2022
    Inventors: Hiromi SAKAGUCHI, Itsuro SASAKI, Ayaka TANAKA, Naoto SHIMURA, Shunsuke HORIE, Hiroshi GOTOU, Yuta NAKAMURA
  • Publication number: 20210380610
    Abstract: The present invention provides a compound represented by formula (I) [wherein: Q represents a group represented by Q1 or a group represented by Q2; Z represents an oxygen atom or the like; A2, A3, and A6 each represent a nitrogen atom or the like; A4 represents CR1a or the like; A5 represents a nitrogen atom or the like; A7 represents NR6g or the like; G1, G2, G3, and G4 each represent a nitrogen atom or the like; R1a represents a C1-C6 chain hydrocarbon group substituted with one or more substituent(s) selected from the group consisting of a cyano group and a halogen atom, or the like; R2 represents a C1-C6 alkyl group optionally substituted with one or more halogen atom(s), or the like; and n represents 0, 1, or 2] or an N-oxide thereof having an excellent control effect on a harmful arthropod, and a composition for controlling a harmful arthropod comprising said compound, and a method for controlling a harmful arthropod which comprises applying said compound.
    Type: Application
    Filed: February 18, 2020
    Publication date: December 9, 2021
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Masayuki TASHIRO, Ayaka TANAKA, Yuji NAKAJIMA
  • Patent number: 11130349
    Abstract: An ink including water, an organic solvent, and a polyurethane resin particle is provided. A rate of content of a compound having a molecular weight of 1,000 or less and having a structure represented by the following general formula (I) in the ink is 10 ppm or less.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: September 28, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Hiromi Sakaguchi, Hiroshi Gotou, Itsuro Sasaki, Ayaka Tanaka
  • Patent number: 11098216
    Abstract: An image forming method for forming an image on a non-absorbable substrate includes (a) applying a surface processing composition including water, a first organic solvent, and a urethane resin particle to the non-absorbable substrate, (b) applying a non-white ink including water, a second organic solvent, and a second acrylic resin particle and (c) applying a white ink including water, a third organic solvent, a third acrylic resin particle, and a white colorant.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 24, 2021
    Assignee: RICOH COMPANY, LTD.
    Inventors: Yukihiro Imanaga, Tomohiro Nakagawa, Juichi Furukawa, Satoyuki Sekiguchi, Ayaka Tanaka
  • Publication number: 20210155012
    Abstract: An inkjet printing device includes an ink container accommodating a clear ink containing a resin and an organic solvent, a discharging head including a nozzle plate, the discharging head being configured to discharge the clear ink onto a substrate to form a printing layer on the substrate, and a heating device configured to heat the substrate, wherein the heating device heats the substrate satisfying the following relationship: Tmatte (degrees C.)>Tgloss (degrees C.), where Tmatte represents a temperature of the substrate in a first printing region when the clear ink is attached to the substrate in a first printing mode and Tgloss represents a temperature of the substrate in a second printing region when the clear ink is attached to the substrate in a second printing mode, wherein the receding contact angle of the clear ink against the nozzle plate is 35 degrees or greater.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 27, 2021
    Inventors: Hiroshi GOTOU, Hiroaki TAKAHASHI, Yuta NAKAMURA, Yuusuke KOIZUKA, Ayaka TANAKA