Patents by Inventor Katsunori Fujii

Katsunori Fujii 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: 11953135
    Abstract: A fitting assembly for fluid device is provided, which includes a first port, a second port, a first annular member, a second annular member, and a connector. The first port is annular and installed at a first fluid device to be connected with its first fluid channel. The second port is annular and installed at a second fluid device to be connected with its second fluid channel. The first annular member is installed at the first port and has a first coupler. The second annular member is installed at the second port and has a second coupler to be coupled with the first coupler to fix the second annular member to the first annular member. The connector is installed between the first port and the second port and seals gaps between the connector and the first and second ports.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: April 9, 2024
    Assignee: NIPPON PILLAR PACKING CO., LTD.
    Inventors: Toshihide Iida, Tatsuya Fujii, Katsunori Sugita, Takahito Konishi, Tomoyuki Koike
  • Patent number: 11820904
    Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: November 21, 2023
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Makoto Teranishi, Keijyou Sasaki, Rima Akanuma, Hiroko Higuchi, Katsunori Fujii
  • Patent number: 11257702
    Abstract: The power supply apparatus for the electrostatic chuck of this invention has: DC power source units for applying DC voltage to electrodes of the electrostatic chuck; and an AC power source unit for causing AC current to flow through an electrostatic capacitance of the electrostatic chuck. Provided that: a circuit for charging an electrode, from DC power source unit, with chuck voltage in order to attract and hold in position the to-be-processed substrate with the electrostatic chuck, be defined as a first circuit and that; a circuit for clearing charges of the to-be-processed substrate be defined as a second circuit, the power supply apparatus further includes switching means for switching between the first circuit and the second circuit. The second circuit is provided with an AC power source unit and a voltmeter for measuring AC voltage.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: February 22, 2022
    Assignee: ULVAC TECHNO, LTD.
    Inventors: Katsunori Fujii, Masanori Ito, Yasushi Iwata
  • Patent number: 11155727
    Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: October 26, 2021
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Keijyou Sasaki, Rima Akanuma, Hiroko Higuchi, Katsunori Fujii, Makoto Teranishi
  • Publication number: 20210284853
    Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.
    Type: Application
    Filed: July 11, 2019
    Publication date: September 16, 2021
    Inventors: Makoto Teranishi, Keijyou Sasaki, Rima Akanuma, Hiroko Higuchi, Katsunori Fujii
  • Publication number: 20210139727
    Abstract: An ink composition for inkjet printing, the ink composition containing a linear diol compound which has 4 or more carbon atoms and has hydroxide groups on both ends of the molecular structure thereof, a dispersing dye and a dispersant; and a textile printing method for a hydrophobic fiber by using the ink composition for inkjet printing.
    Type: Application
    Filed: July 11, 2019
    Publication date: May 13, 2021
    Inventors: Rima Akanuma, Keijyou Sasaki, Katsunori Fujii, Hiroko Higuchi, Makoto Teranishi
  • Publication number: 20200411356
    Abstract: The power supply apparatus for the electrostatic chuck of this invention has: DC power source units for applying DC voltage to electrodes of the electrostatic chuck; and an AC power source unit for causing AC current to flow through an electrostatic capacitance of the electrostatic chuck. Provided that: a circuit for charging an electrode, from DC power source unit, with chuck voltage in order to attract and hold in position the to-be-processed substrate with the electrostatic chuck, be defined as a first circuit and that; a circuit for clearing charges of the to-be-processed substrate be defined as a second circuit, the power supply apparatus further includes switching means for switching between the first circuit and the second circuit. The second circuit is provided with an AC power source unit and a voltmeter for measuring AC voltage.
    Type: Application
    Filed: May 8, 2019
    Publication date: December 31, 2020
    Applicant: ULVAC TECHNO, LTD.
    Inventors: Katsunori Fujii, Masanori Ito, Yasushi Iwata
  • Publication number: 20200109302
    Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.
    Type: Application
    Filed: May 24, 2018
    Publication date: April 9, 2020
    Inventors: Keijyou SASAKI, Rima AKANUMA, Hiroko HIGUCHI, Katsunori FUJII, Makoto TERANISHI
  • Publication number: 20110178642
    Abstract: An information processing apparatus having a fan that releases air from the inside of a housing includes, a first passage through which air flows from the fan to a first air outlet, a second passage branched from the mid-flow of the first passage and communicating with a second air outlet, an air amount meter arranged on the second passage, which measures the amount of air flow from the first passage to the second passage, and a determining unit that determines whether the first air outlet is covered based on the amount of air measured by air the amount meter.
    Type: Application
    Filed: January 11, 2011
    Publication date: July 21, 2011
    Applicant: FUJITSU LIMITED
    Inventor: Katsunori FUJII
  • Patent number: 7507283
    Abstract: The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for inkjet recording using said ink composition, and recorded article obtained thereby. Said aqueous dispersion is characterized by comprising a water-insoluble coloring material, water, an anionic dispersing agent, and an alkylene oxide adduct of phytosterols and/or an alkylene oxide adduct of cholestanols, and said ink composition is characterized by further comprising an organic solvent in addition to the above components.
    Type: Grant
    Filed: June 7, 2005
    Date of Patent: March 24, 2009
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yoshiki Akatani, Katsunori Fujii, Yuji Suzuki, Mariko Umeda, Tadahiko Tabe, Yoshiyuki Dejima
  • Publication number: 20080070009
    Abstract: The present invention relates to an aqueous dispersion of a water-insoluble coloring material having superior shelf life stability which is suitable to an ink for ink-jetting, an ink composition superior in shelf life stability and discharge property, a method for inkjet recording using said ink composition, and recorded article obtained thereby. Said aqueous dispersion is characterized by comprising a water-insoluble coloring material, water, an anionic dispersing agent, and an alkylene oxide adduct of phytosterols and/or an alkylene oxide adduct of cholestanols, and said ink composition is characterized by further comprising an organic solvent in addition to the above components.
    Type: Application
    Filed: June 7, 2005
    Publication date: March 20, 2008
    Applicant: NIPPON KAYAKU KUBUSHIKI KAISHA
    Inventors: Yoshiki Akatani, Katsunori Fujii, Yuji Suzuki, Mariko Umeda, Tadahiko Tabe, Yoshiyuki Dejima
  • Patent number: 7297196
    Abstract: The present invention provides magenta dyestuff represented by the formula (1): (wherein symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, records excellent in fastness to light, gas, water and so on and a superior ink composition using said dyestuff.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: November 20, 2007
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki, Takafumi Fujii, Yasuo Murakami
  • Patent number: 7223301
    Abstract: The present invention provides magenta dyestuff represented by the formula (1): (symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, excellent fastness to light, gas, water and so on in records and an ink composition using said dyestuff.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: May 29, 2007
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki, Takafumi Fujii, Yasuo Murakami, Noriko Kajiura
  • Publication number: 20070062413
    Abstract: The present invention provides magenta dyestuff represented by the formula (1): (wherein symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, records excellent in fastness to light, gas, water and so on and a superior ink composition using said dyestuff.
    Type: Application
    Filed: May 20, 2004
    Publication date: March 22, 2007
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki, Takufumi Fujii, Yasuo Murakami
  • Publication number: 20060219131
    Abstract: The present invention provides magenta dyestuff represented by the formula (1): (symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, excellent fastness to light, gas, water and so on in records and an ink composition using said dyestuff.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 5, 2006
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki, Takafumi Fujii, Yasuo Murakami, Noriko Kajiura
  • Publication number: 20060169172
    Abstract: Problems The present invention provides an ink composition which, when applied as an ink-jet recording solution to plain paper and processed glossy paper, assumes vivid yellow color and gives printed material excellent in light fastness, gas fastness and moisture fastness. Means for Solving the Problems Ink-jet printing with an ink-jet ink composition containing a disazo compound represented by the following formula (1) can give a vivid yellow-colored product excellent in light fastness, gas fastness and moisture fastness (in the formula (1), X represents specific diamine residue; and Y1 and Y2 each represent an alkylamino group substituted with a sulfonic acid group and/or a carboxyl group, a phenoxy group substituted with a sulfonic acid group and/or a carboxyl group and an anilino group substituted with a sulfonic acid group and/or a carboxyl group).
    Type: Application
    Filed: July 14, 2004
    Publication date: August 3, 2006
    Inventors: Yasuo Shirasaki, Katsunori Fujii, Kazunobu Nagasaki
  • Patent number: 7015327
    Abstract: New anthrapyridone compounds represented by the general formula (14): {wherein R represents a hydrogen atom, an alkyl group (optionally substituted with mono- or di-alkylamino group), a lower alkyl group (optionally substituted with a hydroxyl group or a cyano group), or a cyclohexyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, mono- or di-alkylamino group (optionally substituted with a sulfonic acid group, a carboxy group, or a hydroxyl group), an aralkyl- or cycloalkyl-amino group, an alkoxy group, a phenoxy group (optionally substituted with a sulfonic acid group, a carboxy group, an acetylamino group, an amino group, or a hydroxyl group), an anilino group (optionally substituted with a sulfonic acid group or a carboxy group), or a naphthylamino group (optionally substituted with a sulfonic acid group); and X represents a bridging group}; or salts thereof and magenta inks containing the same, which have hues and vividness suitable for ink-jet recording and give records excelle
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: March 21, 2006
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii, Yasuo Shirasaki
  • Patent number: 6929361
    Abstract: New anthrapyridone compounds represented by the general formula (14): {wherein R represents a hydrogen atom, an alkyl group (optionally substituted with mono- or di-alkylamino group), a lower alkyl group (optionally substituted with a hydroxyl group or a cyano group), or a cyclohexyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, mono- or di-alkylamino group (optionally substituted with a sulfonic acid group, a carboxy group, or a hydroxyl group), an aralkyl- or cycloalkyl-amino group, an alkoxy group, a phenoxy group (optionally substituted with a sulfonic acid group, a carboxy group, an acetylamino group, an amino group, or a hydroxyl group), an anilino group (optionally substituted with a sulfonic acid group or a carboxy group), or a naphthylamino group (optionally substituted with a sulfonic acid group); and X represents a bridging group}; or salts thereof and magenta inks containing the same, which have hues and vividness suitable for ink-jet recording and give records excel
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: August 16, 2005
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii, Yasuo Shirasaki
  • Publication number: 20050171351
    Abstract: New anthrapyridone compounds represented by the general formula (14): {wherein R represents a hydrogen atom, an alkyl group (optionally substituted with mono- or di-alkylamino group), a lower alkyl group (optionally substituted with a hydroxyl group or a cyano group), or a cyclohexyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, mono- or di-alkylamino group (optionally substituted with a sulfonic acid group, a carboxy group, or a hydroxyl group), an aralkyl- or cycloalkyl-amino group, an alkoxy group, a phenoxy group (optionally substituted with a sulfonic acid group, a carboxy group, an acetylamino group, an amino group, or a hydroxyl group), an anilino group (optionally substituted with a sulfonic acid group or a carboxy group), or a naphthylamino group (optionally substituted with a sulfonic acid group); and X represents a bridging group}; or salts thereof and magenta inks containing the same, which have hues and vividness suitable for ink-jet recording and give records excelle
    Type: Application
    Filed: April 1, 2005
    Publication date: August 4, 2005
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Takafumi Fujii, Yasuo Shirasaki
  • Patent number: 6902607
    Abstract: The ink composition comprises as its coloring matter component a water-based magenta composition containing anthrapyridone compound represented by the formula (1): wherein R represents hydrogen atom or methyl group; X represents phenyl group, phenoxy group or halogen atom; and n is an integer of 1 to 4, or salt thereof.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: June 7, 2005
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Hiroyuki Matsumoto, Katsunori Fujii, Yasuo Shirasaki