Patents by Inventor Takashi Saeki

Takashi Saeki 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: 20200303665
    Abstract: A display device includes: an insulating substrate having flexibility and including a bent portion that is bent at 90 degrees or more outside a display area provided with an image display function; and a spacer disposed inside the bent portion and including a curved area around which the bent portion is wrapped and a plane area facing the insulating substrate/ wherein the insulating substrate includes a flat portion adjacent to the bent portion and provided so as to face the plane area.
    Type: Application
    Filed: June 9, 2020
    Publication date: September 24, 2020
    Inventors: Takashi SAEKI, Naohisa ANDO
  • Patent number: 10780703
    Abstract: A channel control apparatus includes: a diaphragm portion displaceable between an opening position to open a channel and a closing position to close the channel; an abutment portion for moving in a first direction and a second direction opposite to the first direction by a driving source; and a gripping member that has an inclined surface portion for abutting against the abutment portion and grips the diaphragm portion, wherein when the abutment portion moves in the first direction, the gripping member displaces the diaphragm portion to the opening position by the abutment portion abutting against the inclined surface portion, and wherein when the abutment portion moves in the second direction, the gripping member displaces the diaphragm portion to the closing position by the abutment portion being separated from the inclined surface portion.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: September 22, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Abe, Tsuyoshi Saeki, Toshiaki Tokisawa, Ryoma Arai, Yumi Mukoyama
  • Publication number: 20200216385
    Abstract: Provided is a thickening/stabilizing agent that thickens, gelatinizes, and/or stabilizes a fluid organic substance to a desired viscosity. The thickening/stabilizing agent according to the present invention contains a compound (1) represented by Formula (i) and a compound (2) represented by Formula (ii), in a mole ratio of the compound (1) to the compound (2) of 95:5 to 25:75. The four R1s in Formula (i) represent, identically in each occurrence, a C12-C18 aliphatic hydrocarbon group; and the four R2s in Formula (ii) represent, identically in each occurrence, an C4-C10 aliphatic hydrocarbon group.
    Type: Application
    Filed: July 20, 2017
    Publication date: July 9, 2020
    Applicants: DAICEL CORPORATION, YAMAGUCHI UNIVERSITY
    Inventors: Yuichi SAKANISHI, Takashi SAEKI, Aya KAIDE
  • Patent number: 10707430
    Abstract: A display device includes: an insulating substrate having flexibility and including a bent portion that is bent at 90 degrees or more outside a display area provided with an image display function; and a spacer disposed inside the bent portion and including a curved area around which the bent portion is wrapped and a plane area facing the insulating substrate, wherein the insulating substrate includes a flat portion adjacent to the bent portion and provided so as to face the plane area.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 7, 2020
    Assignee: Japan Display Inc.
    Inventors: Takashi Saeki, Naohisa Ando
  • Publication number: 20200207111
    Abstract: An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.
    Type: Application
    Filed: March 10, 2020
    Publication date: July 2, 2020
    Inventors: Junya Kosuge, Yumi Mukoyama, Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe
  • Publication number: 20200180320
    Abstract: Provided is an inkjet printing apparatus comprising: a print head that ejects ink; a tank that contains ink to be supplied to the print head; a floating body that floats on the liquid surface of the ink inside the tank; and an electrode pin that detects the level of the liquid surface inside the tank. The floating body includes an opening portion in which to insert the electrode pin, and a perimeter of the opening portion protrudes from a top surface side of the floating body.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 11, 2020
    Inventors: Takashi Abe, Tsuyoshi Saeki
  • Patent number: 10670982
    Abstract: An electrostatic-image developing toner contains toner particles containing a polyester resin having an acid value of from 10 mg KOH/g to less than 15 mg KOH/g. The toner particles have a surface with an acid value in a range from 0.3% to 1.7% of the acid value of the polyester resin. The toner particles have a melt viscosity of from 1,800 Pa·s to 3,800 Pa·s at 100° C.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: June 2, 2020
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Takahiro Yamashita, Kazuya Mori, Yuta Saeki, Takahisa Tatekawa, Akitsugu Seto, Yuji Isshiki, Takashi Hara
  • Patent number: 10654283
    Abstract: A printing apparatus includes: a print head configured to eject ink; an ink tank configured to contain the ink; an ink flow path plate having a supply flow path for guiding ink to be supplied from the ink tank to the print head, and a collection flow path for guiding ink to be collected from the print head to the ink tank and provided below the ink tank in a gravitational direction; an atmosphere communication plate provided above the ink tank in the gravitational direction and having an atmosphere communication flow path for communicating the ink tank with atmosphere; a first functional component provided above the ink flow path plate in the gravitational direction to act on at least one of the supply flow path and the collection flow path; and a second functional component provided below the atmosphere communication plate in the gravitational direction to act on the atmosphere communication flow path.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: May 19, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tsuyoshi Saeki, Toshiaki Tokisawa, Takashi Abe, Yumi Mukoyama
  • Patent number: 10632758
    Abstract: An inkjet printing apparatus includes a tank in which ink is contained; a print head for ejecting ink supplied from the tank to perform print operation; a supply flow path for supplying ink from the tank to the print head; a collection flow path for collecting ink from the print head to the tank; and a pump provided in the supply flow path or the collection flow path. The pump is driven, during print operation, at a first speed to circulate ink within a circulation path including the tank, the supply flow path, the print head, and the collection flow path, and the pump is driven, from a start of the ink circulation until a lapse of predetermined time period, at a second speed which is faster than the first speed.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 28, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Junya Kosuge, Yumi Mukoyama, Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe
  • Patent number: 10618919
    Abstract: The present invention provides a compound that thickens or gels a fluid organic substance to a desired viscosity, or uniformly stabilizes a composition containing a fluid organic substance. The compound of the present invention is a compound represented by Formula (1) below: wherein, R1 represents a monovalent aliphatic hydrocarbon group having 4 or more carbons; R2 represents a divalent aliphatic hydrocarbon group having from 1 to 12 carbons; R3 represents a monovalent aliphatic hydrocarbon group having from 1 to 12 carbons; m represents an integer from 0 to 10; and n represents an integer from 1 to 4; in a case where n is 1 or 2, (4?n) R1s may be the same or different; and in a case where n is from 2 to 4, n R2s, n R3s, and n m's each may be the same or different.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: April 14, 2020
    Assignees: DAICEL CORPORATION, YAMAGUCHI UNIVERSITY
    Inventors: Yuichi Sakanishi, Takashi Saeki, Aya Kaide
  • Patent number: 10620082
    Abstract: To associate condition information, such as (a) a location in a movement section at which fatigue occurred, (b) a type of work or operation during which fatigue occurred, and (c) a type of natural phenomenon experienced when fatigue occurred, a device for displaying the material fatigue of a machine is configured to observe stress variation in a time series using a sensor correlated with the stress variation or stress of a machine. Stress variation in a single cycle and the time when the stress variation occurred are detected, and the stress variation value and time of occurrence are output and displayed.
    Type: Grant
    Filed: March 3, 2014
    Date of Patent: April 14, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Munetoshi Unuma, Shinya Yuda, Takashi Saeki, Hideaki Suzuki
  • Publication number: 20200108617
    Abstract: An inkjet printing apparatus performs: a first operation for pulling out ink in a flow path of the ejection opening up to the collection flow path into the first tank by operating the tank vacuum pump with the supply valve being closed and a second operation for pulling out ink in a flow path of the first tank up to the ejection opening by operating the cap vacuum pump with the collection valve being closed and the atmosphere release valve being opened.
    Type: Application
    Filed: September 26, 2019
    Publication date: April 9, 2020
    Inventors: Toshiaki Tokisawa, Tsuyoshi Saeki, Takashi Abe, Yumi Mukoyama, Ryoma Arai
  • Publication number: 20200101746
    Abstract: An ink supply unit supplying ink from an ink tank to a recording head, includes: a component including a pump by which ink is supplied and having an abutment portion constituted by a laser light absorbing material; a plate having a first surface capable of abutting against the abutment portion, a second surface opposite to the first surface, and a channel forming unit that surrounds an opening passing through the plate from the first surface to the second surface and projects from the second surface; a sealing member that seals the opening; and an ink channel from a first abutment place of a side of the second surface where the abutment portion abuts against the first surface around the opening, and from a second abutment place of the side of the second surface where the sealing member abuts against the channel forming unit.
    Type: Application
    Filed: September 13, 2019
    Publication date: April 2, 2020
    Inventors: Yumi Mukoyama, Tsuyoshi Saeki, Toshiaki Tokisawa, Ryoma Arai, Takashi Abe
  • Publication number: 20200101744
    Abstract: A channel control apparatus includes: a diaphragm portion displaceable between an opening position to open a channel and a closing position to close the channel; an abutment portion for moving in a first direction and a second direction opposite to the first direction by a driving source; and a gripping member that has an inclined surface portion for abutting against the abutment portion and grips the diaphragm portion, wherein when the abutment portion moves in the first direction, the gripping member displaces the diaphragm portion to the opening position by the abutment portion abutting against the inclined surface portion, and wherein when the abutment portion moves in the second direction, the gripping member displaces the diaphragm portion to the closing position by the abutment portion being separated from the inclined surface portion.
    Type: Application
    Filed: September 16, 2019
    Publication date: April 2, 2020
    Inventors: Takashi Abe, Tsuyoshi Saeki, Toshiaki Tokisawa, Ryoma Arai, Yumi Mukoyama
  • Patent number: 10596820
    Abstract: Provided is an inkjet printing apparatus comprising: a print head that ejects ink; a tank that contains ink to be supplied to the print head; a floating body that floats on the liquid surface of the ink inside the tank; and an electrode pin that detects the level of the liquid surface inside the tank. The floating body includes an opening portion in which to insert the electrode pin, and a perimeter of the opening portion protrudes from a top surface side of the floating body.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: March 24, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Abe, Tsuyoshi Saeki
  • Publication number: 20200040014
    Abstract: The present invention provides a compound that thickens or gels a fluid organic substance to a desired viscosity, or uniformly stabilizes a composition containing a fluid organic substance. The compound of the present invention is a compound represented by Formula (1) below: wherein, R1 represents a monovalent aliphatic hydrocarbon group having 4 or more carbons; R2 represents a divalent aliphatic hydrocarbon group having from 1 to 12 carbons; R3 represents a monovalent aliphatic hydrocarbon group having from 1 to 12 carbons; m represents an integer from 0 to 10; and n represents an integer from 1 to 4; in a case where n is 1 or 2, (4?n) R1s may be the same or different; and in a case where n is from 2 to 4, n R2s, n R3s, and n m's each may be the same or different.
    Type: Application
    Filed: March 2, 2018
    Publication date: February 6, 2020
    Applicants: DAICEL CORPORATION, YAMAGUCHI UNIVERSITY
    Inventors: Yuichi SAKANISHI, Takashi SAEKI, Aya KAIDE
  • Patent number: 10538096
    Abstract: According to an aspect, an inkjet printing apparatus includes a supply pump provided in a supply flow path for supplying ink from a tank to a print head, a first flow path connecting the first position upstream of the supply pump in the supply flow path and the second position downstream of the supply pump in the supply flow path, a second flow path connecting the tank and the third position downstream of the supply pump in the supply flow path, and an open/close valve provided in the second flow path and capable of opening and closing the second flow path.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Abe, Toshiaki Tokisawa, Kyoshiro Okude, Tsuyoshi Saeki, Ryoma Arai
  • Publication number: 20190384195
    Abstract: A toner comprising a toner particle containing a binder resin, the storage elastic modulus Gt? (150) of the toner at 150° C. is at least 1.0×104 Pa, the binder resin contains a polymer A having a first monomer unit derived from a first polymerizable monomer and a second monomer unit derived from a second polymerizable monomer different from the first polymerizable monomer, the first polymerizable monomer is selected from specific (meth)acrylic acid esters, the contents of the first monomer unit and second monomer unit in the polymer A are within specific ranges, and the SP values of the first monomer unit and second monomer unit are within specific ranges.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 19, 2019
    Inventors: Tatsuya Saeki, Shuntaro Watanabe, Hiroki Akiyama, Hiroki Kagawa, Takashi Matsui
  • Publication number: 20190384192
    Abstract: Provided is a magnetic toner having a toner particle containing a binder resin and a magnetic body, wherein the binder resin contains a polymer A having a first monomer unit and a second monomer unit, the first polymerizable monomer is at least one selected from the group consisting of the (meth)acrylic acid esters having C18-36 alkyl groups, a content of the first monomer unit and a content of the second monomer unit based on the total moles of all monomer units in the polymer A are respectively 5.0 to 60.0 mol % and 20.0 to 95.0 mol %, and assuming that an SP value of the first monomer unit and the second monomer unit are taken as SP11 (J/cm3)0.5 and SP21(J/cm3)0.5, respectively, 3.00?(SP21?SP11)?25.00 is satisfied, and an oil absorption of the magnetic body is 5 to 40 ml/100 g.
    Type: Application
    Filed: June 12, 2019
    Publication date: December 19, 2019
    Inventors: Hiroki Kagawa, Shuntaro Watanabe, Hiroki Akiyama, Tatsuya Saeki, Takashi Matsui
  • Patent number: 10466690
    Abstract: According to the present invention, the work status at an actual site is represented using a combination of component statuses. A degree of damage that takes into account the manner of use at the actual site is predicted by associating test data collected in a component status test. The objective of the present invention is to estimate, with high accuracy, the degree of damage to a device operating in an actual environment.
    Type: Grant
    Filed: January 21, 2015
    Date of Patent: November 5, 2019
    Assignee: Hitachi, Ltd.
    Inventors: Munetoshi Unuma, Yasuki Kita, Takashi Saeki