Patents by Inventor Hirofumi Kondo

Hirofumi Kondo 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: 20180362874
    Abstract: Provided is a lubricant for magnetic recording medium, where the lubricant includes an ionic liquid including an anionic component and a cationic component, wherein the anionic component includes a fluorine-containing chain having a number average molecular weight of 1,500 or less, the cationic component is a cation of cyclic amidine, and the cation of the cyclic amidine includes a fluorine-containing chain that is either a perfluoroalkyl chain or a perfluoropolyether chain.
    Type: Application
    Filed: December 6, 2016
    Publication date: December 20, 2018
    Inventors: Nobuo Tano, Kouki Hatsuda, Hirofumi Kondo
  • Patent number: 10141017
    Abstract: A lubricant for a magnetic recording medium including an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid, wherein the Bronsted acid includes a fluorine-containing chain, the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain, wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, and a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: November 27, 2018
    Assignee: Dexerials Corporation
    Inventors: Nobuo Tano, Kouki Hatsuda, Hirofumi Kondo
  • Publication number: 20180327626
    Abstract: A coating composition including the following five components 1) to 5): 1) a fluorine-containing multifunctional (meth)acrylate; 2) a binder component that is free of fluorine and reacts with the 1) component; 3) metal oxide nanoparticles each including an organic group on a surface thereof; 4) a solvent having a total (?P+?H) of 8 MPa1/2 or more, the total (?P+?H) being a total of a polar term SP and a hydrogen bond term SH in Hansen solubility parameters; and 5) a reaction initiator.
    Type: Application
    Filed: October 26, 2015
    Publication date: November 15, 2018
    Inventors: Ryosuke Endo, KyungSung Yun, Hirofumi Kondo
  • Patent number: 10106757
    Abstract: A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid, wherein the conjugate acid is represented by General Formula (A) below, and wherein a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less, where, in General Formula (A), R1, R2, and R3 are each independently a group including a hydrocarbon group, with the proviso that at least one of the hydrocarbon groups in R1, R2, and R3 is a straight-chain hydrocarbon group having 6 or greater carbon atoms.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: October 23, 2018
    Assignee: DEXERIALS CORPORATION
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Pankaj Baghel
  • Publication number: 20180291302
    Abstract: A lubricant including an ionic liquid wherein the ionic liquid includes a cation that is represented by General Formula (A) below and is free from a fluorine atom, and an anion that is represented by General Formula (X) below and is free from a fluorine atom,
    Type: Application
    Filed: April 4, 2018
    Publication date: October 11, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Pankaj Baghel
  • Publication number: 20180251468
    Abstract: A lubricating agent including an ionic liquid formed from a Bronsted acid (HX) and a Bronsted base (B), wherein the Bronsted base has a linear hydrocarbon group having 10 or more carbon atoms and the difference between the pKa value of the Bronsted acid in water and the pKa value of the Bronsted base in water is 12 or more.
    Type: Application
    Filed: May 9, 2018
    Publication date: September 6, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Makiya Ito, Kyungsung Yun, Masayoshi Watanabe
  • Publication number: 20180255195
    Abstract: An image processing apparatus, including an image processing unit, a controller, a power source, and a USB interface with a connector and a current detector, is provided. The controller starts delivering power to an external device through the USB interface by controlling the power source in a case where connection with the external device is detected, and, in a case where a job requiring the image processing unit to process an images is received, and in a case where a difference between a smallest value and a largest value among current values detected by the current detector within a predetermined length of time while the power is delivered to the external device exceeds a threshold value, the controller commands the USB interface to restrict power delivery to the external device.
    Type: Application
    Filed: March 1, 2018
    Publication date: September 6, 2018
    Inventor: Hirofumi Kondo
  • Publication number: 20180237713
    Abstract: A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid, wherein the conjugate acid has a group including a straight-chain hydrocarbon group having 6 or more carbon atoms, a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less, and solubility of the ionic liquid to CF3(CHF)2CF2CF3 is 0.1 parts by mass relative to 100 parts by mass of CF3(CHF)2CF2CF3.
    Type: Application
    Filed: August 16, 2016
    Publication date: August 23, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Pankaj Baghel
  • Patent number: 10047091
    Abstract: A lubricating agent including an ionic liquid formed from a Bronsted acid (HX) and a Bronsted base (B), wherein the Bronsted base has a linear hydrocarbon group having 10 or more carbon atoms and the difference between the pKa value of the Bronsted acid in water and the pKa value of the Bronsted base in water is 12 or more.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: August 14, 2018
    Assignee: Dexerials Corporation
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Makiya Ito, Kyungsung Yun, Masayoshi Watanabe
  • Publication number: 20180226094
    Abstract: A lubricant which includes an ionic liquid including a conjugate acid and a conjugate base having 2 or more anions in a molecule of the conjugate base, wherein the conjugate acid has a group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less.
    Type: Application
    Filed: August 3, 2016
    Publication date: August 9, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano
  • Publication number: 20180131826
    Abstract: An image forming apparatus that utilizes a communication device is disclosed. A communication unit of a housing which corresponds to an antenna portion is provided at a position at which the communication unit can be seen without obstruction from the upper side. A communication device such as a smartphone can be brought close to or into contact with the communication unit readily. Accordingly, wireless communication between the antenna portion and the communication device can be established.
    Type: Application
    Filed: January 4, 2018
    Publication date: May 10, 2018
    Inventors: Ryoichi Matsushima, Hirofumi Kondo, Yasuhiro Kato, Masayoshi Hayashi, Masato Sueyasu, Reiko Toyama
  • Patent number: 9945077
    Abstract: Clupak paper is manufactured using a gap-former paper-making machine equipped with a Clupak system, in such a way that its longitudinal tensile energy absorption index and lateral tensile energy absorption index as specified in JIS P8113 become 2.5 J/g or more and 1.0 J/g or more, respectively. The paper has excellent strength characteristics in both the longitudinal and lateral directions, especially in the longitudinal direction so that when the Clupak paper can be processed into a sack, the sack rarely breaks.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: April 17, 2018
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Keiko Hashiguchi, Hirofumi Kondo, Hiroaki Noguchi, Yuji Abe, Satoshi Ishikawa, Yukio Shini
  • Patent number: 9926508
    Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the conjugate acid includes a straight-chain hydrocarbon group having 10 or more carbon atoms, and wherein the conjugate base is represented by the following general formula (1): where n is an integer of from 0 to 6 in the general formula (1).
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: March 27, 2018
    Assignee: DEXERIALS CORPORATION
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Makiya Ito, Nobuo Tano, Kyungsung Yun, Masayoshi Watanabe
  • Patent number: 9920272
    Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the ionic liquid is represented by the following general formula (1): where R1 and R2 each represent a hydrogen atom or R1 and R2 form a benzene ring together with carbon atoms to which R1 and R2 are bonded, and R3 represents a straight-chain hydrocarbon group having 10 or more carbon atoms in the general formula (1).
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: March 20, 2018
    Assignee: DEXERIALS CORPORATION
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Makiya Ito, Nobuo Tano, Kyungsung Yun, Masayoshi Watanabe
  • Patent number: 9900453
    Abstract: An image forming apparatus which utilizes a communication device is disclosed. A communication unit of a housing which corresponds to an antenna portion is provided at a position at which the communication unit can be seen without obstruction from the upper side. A communication device such as a smartphone can be brought close to or into contact with the communication unit readily. Accordingly, wireless communication between the antenna portion and the communication device can be established.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: February 20, 2018
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Ryoichi Matsushima, Hirofumi Kondo, Yasuhiro Kato, Masayoshi Hayashi, Masato Sueyasu, Reiko Toyama
  • Publication number: 20180025748
    Abstract: A lubricant for a magnetic recording medium including an ionic liquid including a Bronsted acid and a Bronsted base that is primary amine as constituents of the ionic liquid, wherein the Bronsted acid includes a fluorine-containing chain, the Bronsted base includes a fluorine-containing chain that is a perfluoroalkyl chain or a perfluoropolyether chain, wherein the fluorine-containing chain in the Bronsted acid is a perfluoropolyether chain or the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, or the fluorine-containing chain in the Bronsted acid is the perfluoropolyether chain and the fluorine-containing chain in the Bronsted base is the perfluoropolyether chain, and a number average molecular weight of the fluorine-containing chain in the Bronsted acid is 1,500 or less.
    Type: Application
    Filed: February 3, 2016
    Publication date: January 25, 2018
    Inventors: Nobuo TANO, Kouki HATSUDA, Hirofumi KONDO
  • Publication number: 20180016510
    Abstract: A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.
    Type: Application
    Filed: January 7, 2016
    Publication date: January 18, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, KyungSung Yun
  • Publication number: 20180012623
    Abstract: A lubricant including an ionic liquid including a conjugate base and a conjugate acid, wherein the conjugate acid includes a straight-chain hydrocarbon group having 6 or greater carbon atoms and a straight chain hydrocarbon group s having 6 or greater but 14 or less carbon atoms, and wherein a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less.
    Type: Application
    Filed: June 26, 2017
    Publication date: January 11, 2018
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Pankaj Baghel
  • Publication number: 20170369807
    Abstract: A lubricant including an ionic liquid including a conjugate base and a conjugate acid, wherein the conjugate acid is represented by General Formula (A) below, and wherein a pKa of an acid that is a source of the conjugate base in acetonitrile is 10 or less, where, in General Formula (A), R is a group including a straight-chain hydrocarbon group having 6 or greater carbon atoms, and R1 and R2 are each independently a hydrocarbon group.
    Type: Application
    Filed: June 23, 2017
    Publication date: December 28, 2017
    Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Pankaj Baghel
  • Patent number: 9809031
    Abstract: A liquid cartridge includes a liquid chamber, a partitioning wall partitioning the liquid chamber into a first liquid chamber and a second liquid chamber, a communication opening through which liquid can flow from the first liquid chamber to the second liquid chamber, and a movable member which is movable between a block position and a communication position. When the movable member is in the block position, the movable member is configured to prevent the liquid from flowing from the first liquid chamber to the second liquid chamber through the communication opening, and when the movable member is in the communication position, the liquid is allowed to flow from the first liquid chamber to the second liquid chamber through the communication opening.
    Type: Grant
    Filed: September 22, 2014
    Date of Patent: November 7, 2017
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Suguru Tomoguchi, Kenta Hayashida, Taro Nagano, Ayako Ohishi, Hirofumi Kondo, Hiroto Sugahara