Patents by Inventor Masakazu Ohashi

Masakazu Ohashi 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: 10525733
    Abstract: An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 ?m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.
    Type: Grant
    Filed: September 18, 2018
    Date of Patent: January 7, 2020
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Murai, Masakazu Ohashi, Toru Saito
  • Publication number: 20190292390
    Abstract: A pigment printing ink jet ink composition includes a pigment, a resin particle, a sulfonate-based anionic surfactant, and water.
    Type: Application
    Filed: March 19, 2019
    Publication date: September 26, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masakazu OHASHI, Kosuke CHIDATE, Toshiyuki MIYABAYASHI
  • Publication number: 20190292388
    Abstract: A pigment printing ink jet ink composition includes a pigment, a resin particle, an organic solvent, and water. The organic solvent includes an amide compound represented by the following general formula (1). In the general formula (1), R1 represents a straight chain or branched alkyl group having 1 to 6 carbon atoms, and R2 and R3 each independently present hydrogen atoms or a straight chain or branched alkyl group having 1 to 4 carbon atoms.
    Type: Application
    Filed: March 25, 2019
    Publication date: September 26, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Masakazu OHASHI, Kosuke CHIDATE, Toshiyuki MIYABAYASHI
  • Publication number: 20190284420
    Abstract: An ink jet printing clear ink composition includes resin particles; a lubricant; and water. The resin particles includes a urethane resin having a cross-linking group, and the clear ink composition is formed into a dried coating film having a Young's modulus of 5 to 70 MPa.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 19, 2019
    Inventors: Takako SUGIYAMA, Masakazu OHASHI, Kosuke CHIDATE
  • Patent number: 10384508
    Abstract: A vehicle-height control system is configured to control a vehicle height for a wheel. The vehicle-height control system includes: a vehicle-height control actuator provided so as to correspond to the wheel; a pressure-medium supply and discharge device configured to supply and discharge a pressure medium to and from the vehicle-height control actuator; and a vehicle height controller configured to control the vehicle height for the wheel by controlling the pressure-medium supply and discharge device based on an inside temperature and an outside-air temperature to control at least one of supply and discharge of the pressure medium to and from the vehicle-height control actuator. The inside temperature is a temperature in the vehicle-height control system.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: August 20, 2019
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Hideki Ohashi, Katsuyuki Sano, Jun Tokumitsu, Ryo Kanda, Shogo Tanaka, Masaaki Oishi, Ken Ogue, Masakazu Ohashi
  • Publication number: 20190249021
    Abstract: A pigment textile printing ink jet ink composition contains a pigment, a resin particle, a nonionic fluorine-based surfactant, and water.
    Type: Application
    Filed: February 8, 2019
    Publication date: August 15, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kosuke CHIDATE, Masakazu OHASHI, Toshiyuki MIYABAYASHI
  • Publication number: 20190234015
    Abstract: A treatment liquid composition for ink jet pigment textile printing according to the invention is used by being attached to a fabric and contains a cationic compound, a nonionic fluorine-based surfactant, a resin particle, and water.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kosuke CHIDATE, Masakazu OHASHI, Toshiyuki MIYABAYASHI
  • Patent number: 10337142
    Abstract: A textile printing method includes heating a cloth, and applying an ink composition onto the heated cloth by ejecting the ink composition from an ink jet head. The ink composition contains resin fine particles and has a viscosity of 4.5 mPa·s or less at 40° C. and a surface tension of 28 mN/m or less at 40° C.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: July 2, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Masayuki Murai, Ryota Miyasa, Takako Sugiyama
  • Publication number: 20190084365
    Abstract: An air suspension system is provided with air spring devices, a pressure accumulation tank, a compressor device that supplies compressed air at least to the pressure accumulation tank, and that includes an electric motor, a pump device, and a dryer, and a control device that performs a vehicle height increase control, a vehicle height decrease control, an air suction control, and a regeneration air discharge control. The control device performs a heat accumulation control, by actuating the pump device with the communication between the compressor device and the air spring devices being blocked, supplying the compressed air discharged through the dryer to the pump device to be circulated, and accumulating heat of compression of the compressed air in the dryer, to regenerate the dryer.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 21, 2019
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masaaki Oishi, Masakazu Ohashi, Hiroyuki Uehara, Satoshi Kimura, Taichi Mizuno
  • Publication number: 20190070553
    Abstract: A housing includes an air introduction flow passage, an air discharge flow passage, and a desiccant agent accommodated in the housing. One end portion of the housing is at a lower side of the housing in a vertical direction aligned with the axial direction. An air-liquid separation chamber is formed at a bottom portion of the housing, and includes an air supply passage supplying air to the desiccant agent at an upper housing surface, and is communicated with the air introduction flow passage and the air discharge flow passage to separate moisture in the air introduced from the air introduction flow passage. An adsorption member is accommodated in the air-liquid separation chamber to adsorb moisture separated in the air-liquid separation chamber. Air introduced from the air introduction flow passage is supplied to an air suspension device through the adsorption member and the desiccant agent.
    Type: Application
    Filed: March 16, 2017
    Publication date: March 7, 2019
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Masaaki Oishi, Satoshi Kimura, Taichi Mizuno, Masakazu Ohashi, Hiroyuki Uehara
  • Publication number: 20190016154
    Abstract: An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 ?m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.
    Type: Application
    Filed: September 18, 2018
    Publication date: January 17, 2019
    Inventors: Masayuki Murai, Masakazu Ohashi, Toru Saito
  • Patent number: 10179863
    Abstract: An ink jet recording method includes first attaching an ink composition to fabric so as to have an attached amount of 10 mg/inch2 to 30 mg/inch2, and second attaching the ink composition to the fabric so as to have an attached amount of 90 mg/inch2 to 250 mg/inch2, in which the ink composition includes a pigment and a resin dispersion, and a content of a resin included in the resin dispersion is 0.5 parts by mass to 2.5 parts by mass with respect to 1 part by mass of the pigment.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: January 15, 2019
    Assignee: Seiko Epson Corporation
    Inventors: Masakazu Ohashi, Toru Saito, Tomoki Shinoda
  • Publication number: 20190003115
    Abstract: A treatment liquid composition for use in ink jet pigment textile printing and used by attaching it to fabric contains a cationic compound, at least one compound selected from polyvinylpyrrolidones, polyethylene oxides, carboxymethyl celluloses, hydroxyethyl celluloses, and polyvinyl alcohols, and water. The fabric contains polyester.
    Type: Application
    Filed: June 29, 2018
    Publication date: January 3, 2019
    Inventors: Masakazu OHASHI, Ryota MIYASA
  • Patent number: 10105965
    Abstract: An ink jet printing method includes attaching an ink composition to a cloth by using a printer head which has a nozzle discharging the ink composition, a pressure chamber for imparting pressure to the ink composition to cause the nozzle to discharge the ink composition, and a connection portion connecting the pressure chamber and the nozzle, and in which a distance of the connection portion is 500 ?m or more, the distance of the connection portion being from a portion of the pressure chamber where the ink flows out from a pressure chamber to the nozzle side to the nozzle, in which the ink composition includes the resin as a solid content in the amount of 10% by mass to 26% by mass with respect to the ink composition, the ratio of the total content of the organic solvent to the total content of the solid content of the resin is 0.3 or more, and a sum of the total content of the solid content of the resin and the total content of the organic solvent is 37% by mass or less with respect to the ink composition.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: October 23, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Masayuki Murai, Masakazu Ohashi, Toru Saito
  • Publication number: 20180282945
    Abstract: An ink jet ink composition for textile printing contains a crosslinking component having a blocked isocyanate group, tertiary amine, at least one carboxylic acid selected from the group consisting of monocarboxylic acid, dicarboxylic acid, and tricarboxylic acid, a pigment, and water.
    Type: Application
    Filed: March 1, 2018
    Publication date: October 4, 2018
    Inventors: Kosuke CHIDATE, Masakazu OHASHI, Hideki OKADA, Takako SUGIYAMA, Hiromi NOGUCHI
  • Patent number: 10081191
    Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: September 25, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Masato Murayama, Ryoji Fujimori, Yuji Aoki, Toru Saito, Masakazu Ohashi, Keiichiro Yoshino, Satoru Kobayashi
  • Patent number: 9950540
    Abstract: There is provided an ink jet recording method for printing a pigment in which a pigment printing ink composition including at least pigment as a colorant is discharged from a nozzle opening as an ink droplet having an amount of the ink of the ink droplet of 9 ng or less with an average discharging speed V of 5 m/s or greater at a distance in the range of 0.5 mm to 1.0 mm in the direction from the nozzle opening to cloth, and whereby the pigment printing ink composition is adhered to the cloth.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: April 24, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Toru Saito, Tomoki Shinoda, Masakazu Ohashi, Masashi Kamibayashi, Yoshihiro Watanabe
  • Publication number: 20180056656
    Abstract: A liquid ejecting apparatus includes a liquid ejector that ejects a liquid, a liquid supply flow path that connects a liquid supply source and the liquid ejector, a plurality of branch flow paths provided in the liquid supply flow path, filters that are disposed separately in each of the branch flow paths, and a flow path opening/closing mechanism that opens and closes the branch flow paths.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 1, 2018
    Inventors: Masato MURAYAMA, Ryoji FUJIMORI, Yuji AOKI, Toru SAITO, Masakazu OHASHI, Keiichiro YOSHINO, Satoru KOBAYASHI
  • Publication number: 20180058002
    Abstract: A textile printing method includes heating a cloth, and applying an ink composition onto the heated cloth by ejecting the ink composition from an ink jet head. The ink composition contains resin fine particles and has a viscosity of 4.5 mPa·s or less at 40° C. and a surface tension of 28 mN/m or less at 40° C.
    Type: Application
    Filed: July 26, 2017
    Publication date: March 1, 2018
    Inventors: Masakazu OHASHI, Toru SAITO, Masayuki MURAI, Ryota MIYASA, Takako SUGIYAMA
  • Patent number: 9902833
    Abstract: A pretreatment liquid for ink jet textile printing according to an aspect of the invention used by being applied to a fabric before applying an ink composition for ink jet textile printing to the fabric includes a multivalent metal salt; and an aqueous medium, in which the concentration of the multivalent metal salt is within in a range of 0.025 mol/kg or more and 0.08 mol/kg or less. A textile printing method according to another aspect the invention includes applying a pretreatment liquid to at least a partial region of a fabric; and applying an ink composition for ink jet textile printing to at least a portion of the region to which the pretreatment liquid is applied.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: February 27, 2018
    Assignee: Seiko Epson Corporation
    Inventors: Takako Sugiyama, Masakazu Ohashi, Toru Saito