Patents Assigned to Think Laboratory Co., Ltd.
  • Patent number: 11383526
    Abstract: Provided are an inkjet printer and an inkjet printing method with which, when image forming is performed on a web-shaped printing base material with inkjet inks, nozzles for discharging the inks are less liable to clog, streaks or density unevenness is less liable to occur at the time of solid printing, and a density of a single-color printing portion is easily increased. The inkjet printer for an inkjet ink is configured to perform image forming by discharging inkjet inks on a web-shaped printing base material by a single-pass method. The inkjet printer includes: a conveyance mechanism configured to continuously convey the web-shaped printing base material; a plurality of single-pass inkjet heads configured to discharge the inkjet inks to a front surface of the web-shaped printing base material conveyed by the conveyance mechanism; and a curing device configured to cure the inkjet inks discharged on the front surface of the web-shaped printing base material.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: July 12, 2022
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 11358399
    Abstract: Provided is an inkjet printer with an unwinding portion and an adjacent winding portion in an uneven arrangement, which enables easy replacement of a web-shaped print base material on an unwinding portion and a winding portion for the web-shaped print base material at the time of printing on the web-shaped print base material with an aqueous ink, is capable of dealing with small-lot and wide-variety printing, and enables further space saving as compared to related arts.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: June 14, 2022
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 11241885
    Abstract: Provided are a system and method of detecting an ink use amount of an inkjet printer, which allow detection of an ink use amount of an inkjet printer configured to perform image forming by discharging an inkjet ink on a web-shaped print base material by a single-pass method, and an inkjet printer. A system of detecting an ink use amount of an inkjet printer configured to perform image forming by discharging an inkjet ink on a web-shaped print base material by a single-pass method, includes: an ink tank mass measuring device configured to measure a mass of an ink tank; a comparison operation device configured to perform a comparison operation between a setting reference value of an ink use amount, which is prepared in advance, and a use amount measurement value of the ink tank mass measuring device; and a display device configured to display a warning when a difference between the use amount measurement value and the setting reference value exceeds a range set in advance.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: February 8, 2022
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 10987914
    Abstract: Provided is a gripping portion structure of a gravure plate-making robot in which the accurate gripping of an unprocessed plate-making roll and the positioning accuracy during transfer of the unprocessed plate-making roll to each processing device can be improved by causing a gravure plate-making robot to exhibit a high gripping force when gripping the unprocessed plate-making roll.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: April 27, 2021
    Assignee: THINK LABORATORY CO., LTD.
    Inventors: Tatsuo Shigeta, Kaku Shigeta
  • Patent number: 10960697
    Abstract: Provided is a gravure printing method by which high printing density and excellent highlight suitability are obtained, even if a gravure plate having high resolution and reduced thickness is used. The gravure printing method comprises: using an aqueous ink having a Zahn cup #3 viscosity at 20° C. of 11.0 seconds or more and 20.0 seconds or less, and having an evaporation rate of 30 mass % or less in a drying test, the drying test involving drying 1 g of the ink at a temperature of 40° C. and an air flow of 1,400 L/min for 30 minutes; and transferring 1 ml/m2 or more and 7 ml/m2 or less of the ink onto a printing medium.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 30, 2021
    Assignees: THINK LABORATORY CO., LTD., KAO CORPORATION
    Inventors: Tatsuo Shigeta, Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
  • Patent number: 10946673
    Abstract: Provided are a surface drying device for a sheet-like non-permeable base material with enhanced drying efficiency on a surface of a sheet-like non-permeable base material having a liquid adhering to a surface thereof, and a printing apparatus and a printing method using the surface drying device.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: March 16, 2021
    Assignee: THINK LABORATORY CO., LTD.
    Inventors: Shigeki Tanabe, Kaku Shigeta
  • Patent number: 10829651
    Abstract: Provided is an aqueous gravure ink that is environmentally friendly, allows high-resolution printing by virtue of its excellent highlight suitability, and is excellent in drying property. The aqueous gravure ink comprises: a pigment; a polymer; a water-soluble organic solvent; a surfactant; and water, in which the water-soluble organic solvent has a boiling point of 100° C. or more and 260° C. or less, in which a content of the water-soluble organic solvent in the aqueous gravure ink is 10 mass % or more and 35 mass % or less, and in which a content of the water in the aqueous gravure ink is 50 mass % or more and 70 mass % or less.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: November 10, 2020
    Assignees: THINK LABORATORY CO., LTD., Kao Corporation
    Inventors: Tatsuo Shigeta, Ryuma Mizushima, Yuta Matsumoto, Yasufumi Ueda
  • Patent number: 10744794
    Abstract: Provided is a printing-lamination inline system and method being suitable for manufacturing packages having various kinds of package designs in small quantity and being capable of performing inkjet printing and lamination in an inline manner.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: August 18, 2020
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 10696061
    Abstract: An ink jet printer, for both back-surface printing and front-surface printing, forms an image with aqueous ink on a web-shaped printing base material by any of the back-surface printing and the front-surface printing. An ink jet printing method uses the ink jet printer. The ink jet printer includes: a conveyance mechanism configured to continuously convey the web-shaped printing base material in forward and reverse directions; a single-pass system ink jet head configured to discharge white aqueous ink to a surface of the web-shaped printing base material conveyed by the conveyance mechanism; a single-pass system ink jet head configured to discharge non-white aqueous ink to the surface of the web-shaped printing base material conveyed by the conveyance mechanism; and a white ink drying device with a drying zone for drying the surface of the web-shaped printing base material having the white aqueous ink adhering thereto.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: June 30, 2020
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 10696082
    Abstract: Provided is a fully automatic gravure plate-making processing system capable of manufacturing a gravure plate-making roll more quickly as compared to a conventional case, achieving space saving, performing an unattended operation even in the nighttime, and reducing dust between individual processes.
    Type: Grant
    Filed: September 27, 2011
    Date of Patent: June 30, 2020
    Assignee: THINK LABORATORY CO., LTD.
    Inventor: Tatsuo Shigeta
  • Patent number: 10618308
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: April 14, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Patent number: 10603928
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a resin printing medium. The present invention provides an ink-jet printing method using a water-based ink containing a black ink, a chromatic ink and a white ink which each contain a pigment (A), an organic solvent (C) having a boiling point of not lower than 90° C. and lower than 250° C.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: March 31, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Ryuma Mizushima, Takahiro Sato, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Patent number: 10576772
    Abstract: A gravure printing roll that enables printing of fine dots with a size close to that of cells and enables printing on a print subject, such as a printing substrate, without changing the appearance of the print subject. The gravure printing roll includes: a gravure printing roll body; and cells formed in a peripheral surface of the gravure printing roll body. Each of the cells has an opening with a ratio between a dimension in a circumferential direction of the gravure printing roll body and a dimension in an axial center direction of the gravure printing roll body (dimension in the circumferential direction/dimension in the axial center direction) being 1.15 to 7, and have an opening area of 3900 ?m2 or smaller.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: March 3, 2020
    Assignees: UACJ CORPORATION, UACJ FOIL CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Hiroshi Nishio, Yukie Kitada, Tatsuo Shigeta
  • Patent number: 10543684
    Abstract: The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials that are free of occurrence of color migration and have good appearance even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method. The present invention provides an ink-jet printing apparatus including an ink-jet printing head that ejects a water-based ink onto a resin printing medium that is transported in a feeding direction thereof, and an under heater that heats the printing medium from a rear side surface of the printing medium opposed to a front side surface thereof which faces to the ink-jet printing head, in which the under heater is disposed at a position spaced at a distance of from 0.05 to 3.0 mm apart from the rear side surface of the printing medium upon printing, and an ink-jet printing method using the ink-jet printing apparatus.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: January 28, 2020
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Kazuki Watanabe, Yasufumi Ueda, Tatsuo Shigeta
  • Patent number: 10471739
    Abstract: The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials having good appearance while maintaining high quality of printed characters or images even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: November 12, 2019
    Assignees: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta Matsumoto, Yasufumi Ueda, Tatsuo Shigeta
  • Publication number: 20190160843
    Abstract: Provided is a gravure printing apparatus, a gravure printing method, and a printed matter manufacturing method in which the ink transfer characteristics in gravure printing are controlled to be improved. The gravure printing apparatus includes: a gravure plate cylinder; a doctor blade configured to scrape off a superfluous ink from a plate surface of the gravure plate cylinder; an impression cylinder configured to press a base material to be printed against the plate surface to transfer the ink remaining in a cell of the gravure plate cylinder; and a transfer characteristics control mechanism configured to control ink transfer characteristics by supplying a gas selected from the group consisting of air having predetermined humidity, dry air, and an inert gas to at least a part of an ink transfer characteristics control area between an ink scraping-off point of the doctor blade on the plate surface and a pressing point of the impression cylinder on the plate surface.
    Type: Application
    Filed: June 21, 2017
    Publication date: May 30, 2019
    Applicant: THINK LABORATORY CO., LTD
    Inventor: Tatsuo SHIGETA
  • Patent number: 10265989
    Abstract: Provided are a functional cylinder body, including a plurality of layers having magnetic patterns and non-magnetic patterns formed adjacently, and a manufacturing method therefor. The functional cylinder body comprises at least: a cylinder main body; a first functional pattern part, which includes first patterns and first functional patterns, the first patterns having first recess patterns and first non-recess patterns formed by forming recesses on a first material layer made of any one of a magnetic material and a non-magnetic material, the first functional patterns being made of any one of the magnetic material and the non-magnetic material embedded in the first recess patterns; and a second functional pattern part, which is formed in a position of the cylinder main body shallower than a position of the first recess patterns and has magnetic patterns of the magnetic material and non-magnetic patterns of the non-magnetic material formed adjacently.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: April 23, 2019
    Assignee: THINK LABORATORY CO. LTD
    Inventors: Tatsuo Shigeta, Kaku Shigeta, Shintaro Sugawara
  • Publication number: 20190047299
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a resin printing medium. The present invention provides an ink-jet printing method using a water-based ink containing a black ink, a chromatic ink and a white ink which each contain a pigment (A), an organic solvent (C) having a boiling point of not lower than 90° C. and lower than 250° C.
    Type: Application
    Filed: February 2, 2017
    Publication date: February 14, 2019
    Applicants: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta MATSUMOTO, Ryuma MIZUSHIMA, Takahiro SATO, Kazuki WATANABE, Yasufumi UEDA, Tatsuo SHIGETA
  • Publication number: 20190039373
    Abstract: The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials that are free of occurrence of color migration and have good appearance even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method. The present invention provides an ink-jet printing apparatus including an ink-jet printing head that ejects a water-based ink onto a resin printing medium that is transported in a feeding direction thereof, and an under heater that heats the printing medium from a rear side surface of the printing medium opposed to a front side surface thereof which faces to the ink-jet printing head, in which the under heater is disposed at a position spaced at a distance of from 0.05 to 3.0 mm apart from the rear side surface of the printing medium upon printing, and an ink-jet printing method using the ink-jet printing apparatus.
    Type: Application
    Filed: February 2, 2017
    Publication date: February 7, 2019
    Applicants: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta MATSUMOTO, Kazuki WATANABE, Yasufumi UEDA, Tatsuo SHIGETA
  • Publication number: 20190039384
    Abstract: The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink.
    Type: Application
    Filed: February 2, 2017
    Publication date: February 7, 2019
    Applicants: KAO CORPORATION, THINK LABORATORY CO., LTD.
    Inventors: Yuta MATSUMOTO, Kazuki WATANABE, Yasufumi UEDA, Tatsuo SHIGETA