Patents by Inventor Masao Nakano

Masao Nakano 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: 11952502
    Abstract: Provided are a textile printing ink set including a pretreatment liquid including a cationic compound having a molecular weight per cationic valence of 150 to 220, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein the dispersing agent is at least one selected from the group consisting of a urethane resin, a urea resin, and a urethane-urea resin; and a textile printing method.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: April 9, 2024
    Assignee: FUJIFILM CORPORATION
    Inventors: Masao Ikoshi, Ryoichi Nakano, Shota Suzuki
  • Patent number: 11926125
    Abstract: Provided are a colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain a water-insoluble chain polymer and at least one dye selected from the group consisting of an oil-soluble dye, a disperse dye and a vat dye, and the water-insoluble chain polymer has a structure represented by the following General Formula (G), a cyclic structure, and a hydrophilic group, an ink manufactured using the colored resin particle dispersion, an ink set having the ink, an inkjet printing method using the ink, and a method of manufacturing the colored resin particle dispersion. In the General Formula (G), Rg represents a hydrogen atom or a substituent, Lg represents —O—, —S—, or —NRz-, Rz represents a hydrogen atom or a substituent, and * represents a bonding position.
    Type: Grant
    Filed: January 20, 2021
    Date of Patent: March 12, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Shota Suzuki, Noriaki Sato, Naoka Hamada, Ryoichi Nakano, Masao Ikoshi
  • Publication number: 20170310602
    Abstract: A transmission device includes a plurality of devices through which a plurality of paths in the transmission device passes; and a processor included in a device among the plurality of devices, the processor configured to receive a first packet, measure a first transmission rate of the received first packet, generate a second packet such that a total of the first transmission rate of the first packet and a second transmission rate of the second packet becomes a predetermined value, and output the generated second packet to a path through which the received first packet has been transmitted, from among the plurality of paths.
    Type: Application
    Filed: February 28, 2017
    Publication date: October 26, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Yukiko Tsubono, Masao Nakano
  • Patent number: 9701146
    Abstract: An ink set contains a first ink containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded. A thermal transfer recording sheet has a first ink layer containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink layer containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: July 11, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koromo Shirota, Taichi Shintou, Masao Nakano
  • Patent number: 9650367
    Abstract: A lightfast orange color compound is provided. The compound has a structure including a pyrazolone ring and a thiazole ring that are bound to each other.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: May 16, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Masao Nakano, Koromo Shirota
  • Patent number: 9592695
    Abstract: An object of the present invention is to provide a thermal transfer recording sheet that enables images having a wide color gamut, a high chroma, and good lightfastness, in which the degree of catalytic fading is reduced, to be formed. The thermal transfer recording sheet includes a base material and a colorant layer on the base material. The colorant layer includes a yellow dye layer, a magenta dye layer, and a cyan dye layer. The dye layers each include, as a dye, a compound having a specific structure.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: March 14, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuko Katsumoto, Masao Nakano, Taichi Shintou
  • Patent number: 9481192
    Abstract: An object of the present invention is to provide a thermal transfer recording sheet that enables high-chroma images to be formed, has a high color-developability that enables a wide color gamut to be achieved, and enables high-quality black images to be formed using process black. The thermal transfer recording sheet includes a base material, and a yellow dye layer including a yellow dye, a magenta dye layer including a magenta dye, and a cyan dye layer including a cyan dye that are disposed on the base material. The magenta dye, yellow dye, and cyan dye each contain specific compounds.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: November 1, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masao Nakano, Yuko Katsumoto, Taichi Shintou
  • Publication number: 20160303882
    Abstract: An ink set contains a first ink containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded. A thermal transfer recording sheet has a first ink layer containing a compound in which a pyrazolone ring and a thiazole ring are bonded and a second ink layer containing a compound in which a pyrazolone ring and a pyridinedione ring are bonded.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 20, 2016
    Inventors: Koromo Shirota, Taichi Shintou, Masao Nakano
  • Publication number: 20160304508
    Abstract: A lightfast orange color compound is provided. The compound has a structure including a pyrazolone ring and a thiazole ring that are bound to each other.
    Type: Application
    Filed: April 15, 2016
    Publication date: October 20, 2016
    Inventors: Taichi Shintou, Masao Nakano, Koromo Shirota
  • Publication number: 20150367665
    Abstract: An object of the present invention is to provide a thermal transfer recording sheet that enables high-chroma images to be formed, has a high color-developability that enables a wide color gamut to be achieved, and enables high-quality black images to be formed using process black. The thermal transfer recording sheet includes a base material, and a yellow dye layer including a yellow dye, a magenta dye layer including a magenta dye, and a cyan dye layer including a cyan dye that are disposed on the base material. The magenta dye, yellow dye, and cyan dye each contain specific compounds.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 24, 2015
    Inventors: Masao Nakano, Yuko Katsumoto, Taichi Shintou
  • Publication number: 20150360495
    Abstract: An object of the present invention is to provide a thermal transfer recording sheet that enables images having a wide color gamut, a high chroma, and good lightfastness, in which the degree of catalytic fading is reduced, to be formed. The thermal transfer recording sheet includes a base material and a colorant layer on the base material. The colorant layer includes a yellow dye layer, a magenta dye layer, and a cyan dye layer. The dye layers each include, as a dye, a compound having a specific structure.
    Type: Application
    Filed: August 26, 2015
    Publication date: December 17, 2015
    Inventors: Yuko Katsumoto, Masao Nakano, Taichi Shintou
  • Patent number: 9146485
    Abstract: An object of the present invention is to provide a magenta toner having high dispersibility of a colorant and good spectral characteristics. A magenta toner includes a magenta toner particle including at least a binder resin, a compound represented by the formula (1), and a colorant, wherein the colorant includes a pigment having a quinacridone skeleton: (wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: September 29, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Taichi Shintou, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 9134639
    Abstract: An object of the present invention is to provide a magenta toner having high lightness and saturation and having spectral reflection properties having a wider color range. A magenta toner including magenta toner particles each including a binder resin and a colorant, wherein the colorant includes a compound represented by a formula (1): (wherein R1 and R2 represent an alkyl group or an alkoxyalkyl group, and at least one of R1 and R2 has not less than 7 carbon atoms).
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: September 15, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masao Nakano, Taichi Shintou, Yutaka Tani, Takayuki Ujifusa, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 9102811
    Abstract: The present invention provides a pigment dispersion excellent in dispersibility. Furthermore, the present invention provides a color filter yellow resist composition and an ink composition, which include the pigment dispersion. A pigment dispersion containing at least a compound represented by General formula (1) and a yellow pigment represented by General formula (2) in a dispersion medium and a method for manufacturing the same are provided. Furthermore, a color filter yellow resist composition and an ink composition are provided, wherein images can be displayed with high spectral characteristics and high display contrast because the brightness is high and the hue of yellow is excellent.
    Type: Grant
    Filed: April 23, 2012
    Date of Patent: August 11, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Yutaka Tani, Masao Nakano, Takayuki Ujifusa, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 9012115
    Abstract: To provide a yellow toner having a colorant in a good dispersed state, obtained through excellent granulation performance and having stable developing performance, the yellow toner contains a binder resin, a wax and a colorant, and is characterized by containing as the colorant a compound represented by the following general formula (1) and a compound represented by the following general formula (2).
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: April 21, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayuki Ujifusa, Taichi Shintou, Yutaka Tani, Masao Nakano, Kaoru Takahashi, Satoshi Saito, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 8951340
    Abstract: An object of the present invention is to provide a water-insoluble coloring matter compound having high solubility for a solvent and high lightness and chroma and providing a chromaticity closer to the magenta chromaticity represented by the Adobe RGB color space. A water-insoluble coloring matter compound represented by the formula (1) is provided: wherein R1 and R2 represent an alkyl group, and R3 represents an alkyl group, an aryl group, or an alkoxy group. And the alkyl group, the aryl group and the alkoxy group regarding to R1 to R3 are capable of having a substituent.
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: February 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Satoshi Saito, Takeshi Miyazaki
  • Patent number: 8939742
    Abstract: A compressor, characterized in that a steel is used as the base material for the other sliding material vane 10 and nitrided, a CrN or DLC film is formed on the surface by PVD treatment, and a Ni—Cr—Mo cast iron is used for the other corresponding sliding material piston 9. It is possible in such a configuration to suppress the temperature rise by sliding friction of the sliding materials, such as the vane tip region 10a and the peripheral region of piston 9 that are vigorously slid, relax decomposition of the refrigerant, and suppress corrosion by hydrogen fluoride generated in reaction with water and oxygen, and thus to provide a compressor higher in reliability.
    Type: Grant
    Filed: June 16, 2010
    Date of Patent: January 27, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Masao Nakano, Noboru Iida, Tsuyoshi Karino
  • Patent number: 8926740
    Abstract: To provide a pigment dispersion excellent in dispersibility and spectral characteristics. The pigment dispersion at least includes: a dispersion medium; a compound represented by a general formula (1), the compound being dispersed in the dispersion medium; and a pigment having a quinacridone skeleton, the pigment being dispersed in the dispersion medium: in the general formula (1), R1 and R2 each independently represent a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: January 6, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taichi Shintou, Takayuki Ujifusa, Masao Nakano, Yutaka Tani, Kaoru Takahashi, Satoshi Saito, Takayuki Toyoda, Takeshi Miyazaki, Masashi Hirose
  • Patent number: 8906587
    Abstract: Provided is a colored resin powder which can reproduce even high lightness and saturation and has spectral reflectance characteristic having a wide gamut. The colored resin powder includes a water-insoluble coloring matter compound represented by the following general formula (1) and a binder resin: in which in the general formula (1), R1 and R2 each independently represent an alkyl group, and R3 represents one of an alkyl group, an aryl group, and an alkoxy group.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: December 9, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masao Nakano, Yutaka Tani, Taichi Shintou, Takayuki Ujifusa, Satoshi Saito, Takeshi Miyazaki
  • Publication number: 20140225048
    Abstract: It is aimed to provide a liquid composition having a high solubility in solvents, high brightness and chroma, and spectral reflection characteristics with a broad color range. It is a liquid composition characterized by having a medium and a compound represented by the following general formula (1). In the general formula (1), R1 and R2 each represent an alkyl group, and either one of these represents an alkyl group having 7 or more carbon atoms.
    Type: Application
    Filed: July 24, 2012
    Publication date: August 14, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Saito, Taichi Shintou, Takayuki Ujifusa, Yutaka Tani, Masao Nakano, Kaoru Takahashi, Takeshi Miyazaki, Masashi Hirose