Patents by Inventor Junichi Ishikawa

Junichi Ishikawa 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: 20210155066
    Abstract: In a riding work vehicle, power of an engine is transmitted to a traveling wheel via a horizontally oriented transmission shaft and a vertically oriented transmission shaft. The traveling wheel is supported to be changeable in direction about a rotational axis of the vertically oriented transmission shaft. Each of the vertically oriented transmission shaft and a vertically oriented transmission case is provided as an inner/outer double structure expandable/contractible in association with sliding movement thereof. The vertically oriented transmission case is supported to be pivotable together with the traveling wheel. There is provided a vehicle height adjustment mechanism capable of switching, in a plurality of steps, a relative height of the traveling wheel relative to a vehicle body frame.
    Type: Application
    Filed: May 31, 2019
    Publication date: May 27, 2021
    Inventors: Minoru Hiraoka, Junichi Ishikawa, Shinsuke Kotani, Ryota Imanishi
  • Publication number: 20200385361
    Abstract: The present invention provides an intermediate compound for preparing a 2-substituted-3-ethylsulfonylpyridine compound, and a novel process for preparing the 2-substituted-3-ethylsulfonylpyridine compound. The present invention provides also a process for preparing a compound represented by formula (2), which comprises a step (a): a step of reacting of 3-ethylsulfonylpyridine N-oxide with a compound represented by formula (1) (wherein X represents a chlorine atom etc., Q represents a C1-3 alkoxy group optionally substituted with one or more fluorine atoms, etc.) in the presence of one or more compounds selected from Group P, a carboxylic acid or a carboxylate salt, a base, and a palladium compound or a nickel compound in a solvent to obtain a compound represented by formula (2), Group P: a group consisting of the following compounds: a compound represented by formula (4): R3P (wherein R represents an alkyl group having 1 to 6 carbon atoms, etc.), etc.
    Type: Application
    Filed: December 4, 2018
    Publication date: December 10, 2020
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koji HAGIYA, Junichi ISHIKAWA
  • Publication number: 20200354003
    Abstract: A work vehicle includes a vehicle body, a plurality of traveling devices disposed on the right and left sides on the front and rear sides of the vehicle body respectively, a plurality of bending link mechanisms configured to liftably support each one of the traveling devices to the vehicle body and a plurality of drive operating devices capable of changing the posture of each one of the plurality of bending link mechanisms. The vehicle body is split into a front side body section and a rear side body section. The front side body section and the rear side body section are configured to be bendably pivotable relative to each other via a pivot interlocking mechanism.
    Type: Application
    Filed: December 25, 2018
    Publication date: November 12, 2020
    Inventors: Junichi Ishikawa, Minoru Hiraoka
  • Publication number: 20200062324
    Abstract: A work vehicle includes a vehicle body, a plurality of traveling devices for driving traveling, a plurality of bending link mechanisms supporting the plurality of traveling devices to the vehicle body with allowing the plurality of traveling devices to be elevated/lowered independently of each other, a driving mechanism capable of changing respective postures of the plurality of bending link mechanisms independently of each other, and an idle wheel freely rotatably supported to an intermediate bending portion of each one of the plurality of bending mechanisms.
    Type: Application
    Filed: March 28, 2018
    Publication date: February 27, 2020
    Applicant: KUBOTA CORPORATION
    Inventors: Junichi ISHIKAWA, Minoru HIRAOKA
  • Publication number: 20200017152
    Abstract: A work vehicle includes a plurality of traveling devices for driving traveling, a plurality of articulated link mechanisms having at least two or more joints and supporting the plurality of traveling devices to a vehicle body, with allowing the plurality of traveling devices to be elevated/lowered independently of each other, a driving mechanism capable of changing respective postures of the plurality of articulated link mechanisms independently of each other, and a plurality of turning mechanisms configured to support the respective plurality of the articulated link mechanisms, with allowing the link mechanisms to be orientation-changeable about a vertical axis.
    Type: Application
    Filed: March 28, 2018
    Publication date: January 16, 2020
    Applicant: KUBOTA CORPORATION
    Inventors: Junichi ISHIKAWA, Minoru HIRAOKA
  • Patent number: 10527498
    Abstract: A sensor device includes a sensor element detecting a temperature of an attachment member to which the sensor device is attached. The sensor device includes a flexible substrate that includes a base having a first surface and a second surface and made of an electrically insulating material, and a land disposed adjacent to the first surface and electrically connected to the sensor element. The sensor device further includes: a rigid member adhered to the second surface; a flexible member that has a thermal conductivity and a flexibility higher than those of the base, is stacked on the rigid member to be in contact with the rigid member on a side opposite to the flexible substrate, and is to be in contact with the attachment member in an attached state; and a pressing member that presses the flexible substrate toward the attachment member in the attached state.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: January 7, 2020
    Assignee: DENSO CORPORATION
    Inventors: Kiyoshi Otsuka, Junichi Ishikawa, Hirotaka Kurozaki
  • Publication number: 20190389268
    Abstract: A work vehicle includes: a vehicle body; a plurality of traveling devices located on both right and left sides of the vehicle body; a plurality of bending link mechanisms that support the respective traveling devices on the vehicle body such that the traveling devices can be individually raised or lowered; and a plurality of drive mechanisms capable of individually changing the posture of the bending link mechanisms. The drive mechanisms change the posture of the bending link mechanisms while maintaining a state in which intermediate bending portions of the bending link mechanisms bend toward an intermediate side in a front-rear direction of the vehicle body.
    Type: Application
    Filed: October 31, 2017
    Publication date: December 26, 2019
    Applicant: KUBOTA CORPORATION
    Inventors: Junichi ISHIKAWA, Minoru HIRAOKA
  • Publication number: 20190381759
    Abstract: Disclosed are a laminate having a laminated structure of five or more layers wherein each layer is a resin impregnated fiber reinforced composition layer in which fibers are oriented unidirectionally, the resin in the resin impregnated fiber reinforced composition layer is an olefin-based polymer having the melting point or the glass-transition temperature of 50 to 300° C., and the shape of the laminate can be easily controlled by melt press molding; and a tape winding pipe excellent in balance between bending rigidity and compressive rigidity.
    Type: Application
    Filed: January 18, 2018
    Publication date: December 19, 2019
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Takeharu ISAKI, Kiyoshi UZAWA, Junichi ISHIKAWA, Kazuaki KIKUCHI, Shigeki IWATA
  • Patent number: 10160722
    Abstract: A compound represented by formula (3): (wherein R1 represents a C1-C6 perfluoroalkyl group, R2 represents a C1-C6 alkyl group, and m represents an integer of 0 to 3) or a salt thereof, which is useful as a production intermediate of pharmaceuticals and agrochemicals, can be produced by reacting an alkali metal salt or zinc salt of a C1-C6 perfluoroalkanesulfinic acid with 2-aminophenol optionally substituted by 1 to 3 C1-C6 alkyl groups or a salt thereof in the presence of an oxidizing agent.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: December 25, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Junichi Ishikawa, Koji Hagiya, Mitsunobu Kawamura
  • Patent number: 10151992
    Abstract: In accordance with an embodiment, a toner particle comprises two or more glass transition temperatures. Wherein, a first glass transition temperature is within a range from 5 degrees centigrade to 20 degrees centigrade and a second glass transition temperature is within a range from 50 degrees centigrade to 65 degrees centigrade.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: December 11, 2018
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Takashi Urabe, Taishi Takano, Junichi Ishikawa, Maiko Yoshida
  • Publication number: 20180290970
    Abstract: A compound represented by formula (3): (wherein R1 represents a C1-C6 perfluoroalkyl group, R2 represents a C1-C6 alkyl group, and m represents an integer of 0 to 3) or a salt thereof, which is useful as a production intermediate of pharmaceuticals and agrochemicals, can be produced by reacting an alkali metal salt or zinc salt of a C1-C6 perfluoroalkanesulfinic acid with 2-aminophenol optionally substituted by 1 to 3 C1-C6 alkyl groups or a salt thereof in the presence of an oxidizing agent.
    Type: Application
    Filed: June 1, 2016
    Publication date: October 11, 2018
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Junichi ISHIKAWA, Koji HAGIYA, Mitsunobu KAWAMURA
  • Patent number: 10093617
    Abstract: A compound represented by formula (3): (wherein R1 represents a C1-C6 alkyl group optionally having one or more halogen atoms, R2 represents a C1-C6 alkyl group, and m represents an integer of 0 to 3) can be produced by reacting a C1-C6 alkanesulfinic acid salt optionally having one or more halogen atoms with a compound represented by formula (2): (wherein R2 and m are as defined above) in the presence of a protonic acid.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: October 9, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Junichi Ishikawa, Yuta Honda
  • Publication number: 20180282267
    Abstract: A compound represented by formula (3): (wherein R1 represents a C1-C6 alkyl group optionally having one or more halogen atoms, R2 represents a C1-C6 alkyl group, and m represents an integer of 0 to 3) can be produced by reacting a C1-C6 alkanesulfinic acid salt optionally having one or more halogen atoms with a compound represented by formula (2): (wherein R2 and m are as defined above) in the presence of a protonic acid.
    Type: Application
    Filed: October 21, 2016
    Publication date: October 4, 2018
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Junichi ISHIKAWA, Yuta HONDA
  • Patent number: 10048607
    Abstract: A toner includes first toner particles and second toner particles. Each of the first toner particles includes a plate-like colorant particle covered with binder resin particles, and a volume average size of the plate-like colorant particle is equal to or greater than 6 ?m. Each of the second toner particles includes at least one of a binder resin and a releasing agent and not including a colorant, an aspect ratio of the second toner particles is equal to or smaller than 3, and a content ratio of the releasing agents with respect to the second toner particles is equal to or greater than 4 wt % and equal to or smaller than 24 wt %. A content ratio of the second toner particles with respect to the first toner particles is greater than 1 wt % and equal to or smaller than 75 wt %.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: August 14, 2018
    Assignees: Kabushiki Kaisha Toshiba, Toshiba TEC Kabushiki Kaisha
    Inventors: Junichi Ishikawa, Takashi Urabe, Taishi Takano, Satoshi Araki, Maiko Yoshida
  • Publication number: 20180156670
    Abstract: A sensor device includes a sensor element detecting a temperature of an attachment member to which the sensor device is attached. The sensor device includes a flexible substrate that includes a base having a first surface and a second surface and made of an electrically insulating material, and a land disposed adjacent to the first surface and electrically connected to the sensor element. The sensor device further includes: a rigid member adhered to the second surface; a flexible member that has a thermal conductivity and a flexibility higher than those of the base, is stacked on the rigid member to be in contact with the rigid member on a side opposite to the flexible substrate, and is to be in contact with the attachment member in an attached state; and a pressing member that presses the flexible substrate toward the attachment member in the attached state.
    Type: Application
    Filed: May 24, 2016
    Publication date: June 7, 2018
    Inventors: Kiyoshi OTSUKA, Junichi ISHIKAWA, Hirotaka KUROZAKI
  • Patent number: 9964882
    Abstract: A toner includes a crystalline polyester resin in an amount equal to or greater than 25% by mass. The toner satisfies the following formula when the toner is tested using a capillary rheometry measurement during which a pellet of the toner is pressed by a member while being heated: 0.3?(first temperature?second temperature)/(second temperature?third temperature)?1, where the first temperature is a temperature at which the member falls 4 mm, the second temperature is a temperature at which the member falls 2 mm, and the third temperature is a temperature at which the member starts to fall.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: May 8, 2018
    Assignees: Kabushiki Kaisha Toshiba, Toshiba TEC Kabushiki Kaisha
    Inventors: Takashi Urabe, Taishi Takano, Satoshi Araki, Junichi Ishikawa, Maiko Yoshida
  • Publication number: 20180039195
    Abstract: In accordance with an embodiment, a toner particle comprises two or more glass transition temperatures. Wherein, a first glass transition temperature is within a range from 5 degrees centigrade to 20 degrees centigrade and a second glass transition temperature is within a range from 50 degrees centigrade to 65 degrees centigrade.
    Type: Application
    Filed: October 5, 2017
    Publication date: February 8, 2018
    Inventors: Takashi Urabe, Taishi Takano, Junichi Ishikawa, Maiko Yoshida
  • Publication number: 20180002500
    Abstract: Disclosed are a reinforcing fiber bundle composed of a carbon fiber bundle treated with an emulsion; a carbon fiber reinforced thermoplastic resin molded body using the same; and a method for producing a reinforcing fiber bundle; wherein the emulsion contains a modified polyolefin (A1) comprising at least a metal carboxylate bonded to the polymer chain, and 0.1 to 5,000 moles of an amine compound (B) represented by the following general formula (1), per one mole of the carboxylate group in the modified polyolefin (A1); R—NH2??(1) wherein the formula (1), R is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms.
    Type: Application
    Filed: January 14, 2016
    Publication date: January 4, 2018
    Applicants: MITSUI CHEMICALS, INC., FORMOSA PLASTICS CORPORATION
    Inventors: Naoshi NAGAI, Takeharu ISAKI, Masaki SHIMIZU, Junichi ISHIKAWA, Kazuaki KIKUCHI, Yi-Chuan CHANG, Kai-Cheng YEN, Min-Yuan LIN
  • Patent number: 9811015
    Abstract: In accordance with an embodiment, a toner particle comprises two or more glass transition temperatures. Wherein, a first glass transition temperature is within a range from 5 degrees centigrade to 20 degrees centigrade and a second glass transition temperature is within a range from 50 degrees centigrade to 65 degrees centigrade.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: November 7, 2017
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Takashi Urabe, Taishi Takano, Junichi Ishikawa, Maiko Yoshida
  • Patent number: 9803158
    Abstract: An aromatic printed object containing a film-like substrate and a printing section formed on the film-like substrate using a perfume microcapsule-containing toner. The aromatic printed object is an adhesive sheet wherein the printing section is adherend surface. A protective layer is pressed with the adherend surface. A fragrance diverges by peeling off the protective layer of the film-like substrates.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: October 31, 2017
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Maiko Yoshida, Taishi Takano, Takashi Urabe, Junichi Ishikawa