Patents by Inventor Soichi Yamazaki

Soichi Yamazaki 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: 20210301165
    Abstract: An aqueous ink jet composition includes a dye component composed of at least one of sublimation dyes and disperse dyes, polyester, 1-(hydroxyalkyl)-2-pyrrolidone, and water, wherein the content (mass %) of the polyester is 4.0 times or more and 300.0 times or less the content (mass %) of the dye component.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Inventors: Soichi YAMAZAKI, Manabu TANIGUCHI, Hiroaki KUMETA, Shunsuke UCHIZONO, Naoyuki TOYODA
  • Publication number: 20210301164
    Abstract: A white pigment composition contains titanium oxide having an average particle diameter D1 of less than 100 nm; and hollow particles having an average particle diameter D2 of 100 nm or more.
    Type: Application
    Filed: March 24, 2021
    Publication date: September 30, 2021
    Inventor: Soichi YAMAZAKI
  • Publication number: 20210287903
    Abstract: A method for manufacturing a semiconductor device includes: forming a first film on a substrate; forming a second film containing at least carbon on the first film; forming a hole in the second film; and forming a recess, which communicates with the hole, in the first film by etching using the second film as a mask. In this method, the second film includes a first layer formed on the first film, and a second layer formed on the first layer. The first layer having a higher oxygen concentration than the second layer.
    Type: Application
    Filed: August 27, 2020
    Publication date: September 16, 2021
    Applicant: Kioxia Corporation
    Inventors: Takehiro KONDOH, Junichi HASHIMOTO, Soichi YAMAZAKI, Yuya MATSUBARA
  • Publication number: 20210198510
    Abstract: An ink jet ink contains: an inorganic oxide colloid; an amino acid; a first glycol monoether represented by the following formula (1): R11O—(R12O)n1—H (1); a second glycol monoether represented by the following formula (2): R21O—(R22O)n2—H(2); and water. In the ink jet ink described above, in the formula (1), R11 represents an alkyl group having 2 to 10 carbon atoms, R12 represents an alkylene group having 2 to 4 carbon atoms, and n1 represents a repetition number of 1 to 10, and in the formula (2), R21 represents an alkyl group having 1 to 8 carbon atoms, R22 represents an alkylene group having 2 to 4 carbon atoms, the number of carbon atoms of R21 is smaller than the number of carbon atoms of R11, and n2 represents a repetition number of 1 to 10.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Manabu TANIGUCHI, Hiroaki KUMETA, Soichi YAMAZAKI, Shunsuke UCHIZONO
  • Publication number: 20210197607
    Abstract: An ink for ink jet recording according to an embodiment is an ink for ink jet recording containing pigment, colloidal silica, amine, and amino acid.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: Soichi YAMAZAKI, Shunsuke UCHIZONO, Hiroaki KUMETA
  • Publication number: 20210198505
    Abstract: An ink jet ink contains an inorganic oxide colloid; a betaine; 1-(2-hydroxyethyl)-2-pyrrolidone; and water, and in the ink jet ink described above, a content of the betaine is equivalent to or larger than a content of a solid component of the inorganic oxide colloid on a mass basis.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Shunsuke UCHIZONO, Manabu TANIGUCHI, Soichi YAMAZAKI, Hiroaki KUMETA
  • Publication number: 20210198507
    Abstract: An ink jet ink contains a pigment; an inorganic oxide colloid; a betaine; and water, and in the ink jet ink described above, a total concentration (mg/L) of potassium ions and sodium ions in the ink is 500 ppm or less.
    Type: Application
    Filed: December 23, 2020
    Publication date: July 1, 2021
    Inventors: Hiroaki KUMETA, Soichi YAMAZAKI, Manabu TANIGUCHI, Shunsuke UCHIZONO, Miki IINUMA, Sena GOZU
  • Patent number: 11040562
    Abstract: An ink for ink jet recording according to an embodiment is an ink for ink jet recording containing pigment, colloidal silica, and amino acid.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: June 22, 2021
    Inventors: Soichi Yamazaki, Shunsuke Uchizono, Hiroaki Kumeta
  • Publication number: 20210066090
    Abstract: According to one embodiment, a method of manufacturing a semiconductor device includes forming a first film on a substrate. The method further includes forming a second film on the first film. The method further includes forming a recess in the first film using the second film as a mask. The second film includes a first layer having carbon and a second layer having carbon formed on the first layer. The second layer has a second carbon density lower than a first carbon density of the first layer.
    Type: Application
    Filed: March 2, 2020
    Publication date: March 4, 2021
    Applicant: KIOXIA CORPORATION
    Inventors: Junichi HASHIMOTO, Kaori NARUMIYA, Kosuke HORIBE, Soichi YAMAZAKI, Kei WATANABE, Yusuke KONDO, Mitsuhiro OMURA, Takehiro KONDOH, Yuya MATSUBARA, Junya FUJITA, Toshiyuki SASAKI
  • Patent number: 10930665
    Abstract: A semiconductor device of an embodiment includes a control circuit arranged on a substrate, a first conductive layer arranged on the control circuit and containing a first element as a main component, a multilayer structure arranged on the first conductive layer and configured such that multiple second conductive layers and multiple insulating layers are alternately stacked on each other, a memory layer penetrating the multilayer structure and reaching the first conductive layer at a bottom portion, a first layer arranged between the control circuit and the first conductive layer and containing the first element as a main component, and a second layer arranged between the control circuit and the first layer and containing, as a main component, a second element different from the first element.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: February 23, 2021
    Assignee: Toshiba Memory Corporation
    Inventors: Kosuke Horibe, Kei Watanabe, Toshiyuki Sasaki, Tomo Hasegawa, Soichi Yamazaki, Keisuke Kikutani, Jun Nishimura, Hisashi Harada, Hideyuki Kinoshita
  • Publication number: 20210020439
    Abstract: According to one embodiment, a method of manufacturing a semiconductor device includes forming a first film on a substrate. The method further includes forming a second film on the first film. The second film includes fluoride of a first metal element having a first boiling point of 800° C. or higher and fluoride of a second metal element having a second boiling point of 800° C. or higher. The second metal element is different from the first metal element. The method further includes etching the first film using the second film as an etching mask and etching gas that includes fluorine.
    Type: Application
    Filed: February 27, 2020
    Publication date: January 21, 2021
    Applicant: KIOXIA CORPORATION
    Inventors: Soichi YAMAZAKI, Kazuhito FURUMOTO, Kosuke HORIBE, Keisuke KIKUTANI, Atsuko SAKATA
  • Publication number: 20200385593
    Abstract: An ink jet printing ink composition contains a pigment, colloidal silica, trimethylglycine, and water, and in which a content of the colloidal silica is lower than or equal to a content of the trimethylglycine.
    Type: Application
    Filed: June 5, 2020
    Publication date: December 10, 2020
    Inventors: Shunsuke UCHIZONO, Soichi YAMAZAKI, Hiroaki KUMETA, Manabu TANIGUCHI
  • Publication number: 20200339829
    Abstract: An aqueous ink jet ink composition contains pigment particles, inorganic oxide particles, and resin particles. The content of the inorganic oxide particles is 1.0% to 10.0% relative to the total mass of the ink composition. The ink composition satisfies the following relationship: D50 of the resin particles ?D50 of the inorganic oxide particles ?D50 of the pigment particles, wherein D50 represents the volume median diameter of the corresponding particles.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Inventors: Hiroaki KUMETA, Soichi YAMAZAKI, Manabu TANIGUCHI, Shunsuke UCHIZONO
  • Publication number: 20200332139
    Abstract: An ink composition contains pigment particles, inorganic oxide particles, and a lactam solvent. The content of the inorganic oxide particles is 5.0% to 10.0% relative to the total mass of the ink composition. The ink composition satisfies the following relationship: D50 of the pigment particles×0.1?D50 of the inorganic oxide particles?D50 of the pigment particles×1.5, wherein D50 represents the volume median diameter of the corresponding particles.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 22, 2020
    Inventors: Hiroaki KUMETA, Soichi YAMAZAKI, Shunsuke UCHIZONO, Manabu TANIGUCHI
  • Patent number: 10807387
    Abstract: An ink jet recording apparatus includes a line head including a region of nozzles that are formed in an intersecting direction intersecting a transport direction of a recording medium and eject an ink, the region covering a printing region of the recording medium in the intersecting direction, a drying unit that dries the recording medium, a transport unit that transports the recording medium, and a control unit. The ink contains colloidal silica, and the control unit controls the drying unit and the transport unit such that drying of the ink is started within 0.4 second after the ink is attached to the recording medium.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 20, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Soichi Yamazaki, Shunsuke Uchizono, Hiroaki Kumeta
  • Publication number: 20200308431
    Abstract: An aqueous ink jet composition contains water and particles of a material containing polyester and a dye composed of at least one of sublimation dyes or at least one of disperse dyes. Preferably, the dye is dispersed in the particles.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventors: Soichi YAMAZAKI, Naoyuki TOYODA, Hiroaki KUMETA, Shunsuke UCHIZONO, Manabu TANIGUCHI
  • Publication number: 20200308432
    Abstract: An aqueous ink jet composition contains a dye composed of at least one of sublimation fluorescent dyes or at least one of disperse fluorescent dyes, polyester, and water. The amount of the polyester is 8 times or more and 300 times or less greater than the amount of the dye. Preferably, the amount of the polyester is 5% by mass or more and 35% by mass or less. Preferably, the amount of the dye is 0.05% by mass or more and 1% by mass or less.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventors: Soichi YAMAZAKI, Naoyuki TOYODA, Hiroaki KUMETA, Manabu TANIGUCHI, Shunsuke UCHIZONO
  • Publication number: 20200308430
    Abstract: An aqueous ink jet composition contains water, a dye composed of at least one of sublimation dyes or at least one of disperse dyes, and polyester particles, which are particles made of at least one material including polyester. At least a subset of the polyester particles is stained with the dye.
    Type: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventors: Soichi YAMAZAKI, Naoyuki TOYODA, Hiroaki KUMETA, Manabu TANIGUCHI, Shunsuke UCHIZONO
  • Publication number: 20200308433
    Abstract: An aqueous ink jet composition contains water, a dye composed of at least one of sublimation dyes or at least one of disperse dyes, polyester, and a urethane resin. Preferably, 4.0?XE/XD?300, where XD is the amount of the dye in the aqueous ink jet composition (% by mass), and XE is the amount of the polyester in the aqueous ink jet composition (% by mass).
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Soichi YAMAZAKI, Naoyuki TOYODA, Hiroaki KUMETA, Manabu TANIGUCHI, Shunsuke UCHIZONO
  • Patent number: 10763122
    Abstract: A method of manufacturing a semiconductor device includes forming a mask layer including aluminum or an aluminum compound on a layer to be etched comprising at least one first metal selected from tungsten, tantalum, zirconium, hafnium, molybdenum, niobium, ruthenium, osmium, rhenium, and iridium. The method of manufacturing a semiconductor device further includes patterning the mask layer, and etching the layer to be etched by using the patterned mask layer to form a hole or a groove in the layer to be etched.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: September 1, 2020
    Assignee: TOSHIBA MEMORY CORPORATION
    Inventors: Soichi Yamazaki, Kazuhito Furumoto, Kosuke Horibe, Keisuke Kikutani, Atsuko Sakata, Junichi Wada, Toshiyuki Sasaki