Patents by Inventor Tsutomu Obata

Tsutomu Obata 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: 11230125
    Abstract: A roll sheet with a continuous sheet wound in a roll form is rotated in a forward direction to supply the sheet to a printing unit. A sensor whose output is changed in accordance with a distance between the sensor and the sheet is used. A rotation direction of the roll sheet is switched from an opposite direction to the forward direction on the basis of the output of the sensor during rotation of the roll sheet in the opposite direction.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: January 25, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Eiyama, Yuki Igarashi, Masashi Kamada, Masashi Negishi, Ryoya Shinjo, Ryo Kobayashi, Tomohiro Suzuki, Tsutomu Obata
  • Patent number: 11173732
    Abstract: To provide a printing apparatus and a conveyance apparatus that are capable of preventing a cut position to be cut by a slitter (cutting unit) from deviating, a printing apparatus, which is configured to perform printing by use of a printing unit on a printing medium conveyed by a conveyance unit and is configured to cut the printing medium on which the printing has been performed by the printing unit by use of a cutting unit at a cut position along a conveyance direction of the conveyance unit, includes an abutment portion configured to abut on a printing surface of the printing medium at an inner position relative to the cut position in a width direction of the printing medium, the width direction that crosses the conveyance direction.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: November 16, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yoshiaki Suzuki, Ryo Kobayashi, Tsutomu Obata
  • Publication number: 20210309024
    Abstract: To provide a printing apparatus and a conveyance apparatus that are capable of preventing a cut position to be cut by a cutting unit from deviating, in a printing apparatus in which printing is performed by a printing unit on a printing medium that is conveyed by a conveyance unit and the printing medium is cut by a cutting unit while being conveyed by the conveyance unit and a conveying force apply unit, the conveying force apply unit is arranged on an outer side relative to the cutting unit and configured to apply a conveying force to the printing medium in a direction outward in a width direction from an upstream to a downstream in a conveyance direction.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Ryo Kobayashi, Yoshiaki Suzuki, Tsutomu Obata
  • Publication number: 20210276344
    Abstract: A printing apparatus, comprising a conveyance unit configured to be able to convey a roll sheet that is wound in a rolled shape and a cut sheet that is not wound in a rolled shape to a printing unit configured to print an image, a receiving unit detachably attached to the apparatus, the receiving unit being configured to receive the cut sheet onto which printing was performed by the printing unit, a detection unit configured to detect whether the receiving unit is attached to the apparatus, and a holding unit configured to, in a case where the detection unit detects that the receiving unit is not attached to the apparatus, nip to hold the cut sheet onto which printing was performed by the printing unit.
    Type: Application
    Filed: March 4, 2021
    Publication date: September 9, 2021
    Inventors: Itaru Wada, Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Patent number: 11065892
    Abstract: To provide a printing apparatus and a conveyance apparatus that are capable of preventing a cut position to be cut by a cutting unit from deviating, in a printing apparatus in which printing is performed by a printing unit on a printing medium that is conveyed by a conveyance unit and the printing medium is cut by a cutting unit while being conveyed by the conveyance unit and a conveying force apply unit, the sconveying force apply unit is arranged on an outer side relative to the cutting unit and configured to apply a conveying force to the printing medium in a direction outward in a width direction from an upstream to a downstream in a conveyance direction.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 20, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryo Kobayashi, Yoshiaki Suzuki, Tsutomu Obata
  • Publication number: 20210197592
    Abstract: There is provided with printing apparatus. A printing unit prints an image on a printing medium and is able to move. A cutter unit is able to connect with or separate from the printing unit, and, by following a movement of the printing unit, cuts the printing medium. A control unit, in a case where a predetermined condition is satisfied after the printing medium is cut by the cutter unit, causes the printing unit to perform printing on a succeeding printing medium, while moving the printing unit in a state in which the cutter unit is connected with the printing unit.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Hiromasa Yoneyama, Yasuyuki Asai, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Publication number: 20210197593
    Abstract: There is provided a printing apparatus. A printing unit prints an image on a printing medium and is able to move. A cutter unit is able to connect with or separate from the printing unit, and, by following a movement of the printing unit, cuts the printing medium. A setting unit sets, in accordance with a size of the printing medium, a standby position of the cutter unit.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki
  • Publication number: 20210197582
    Abstract: There is provided a printing apparatus comprises a holding unit configured to hold a roll sheet. The printing apparatus performs: supplying the sheet by rotating the roll sheet held by the holding unit; nipping and conveying the supplied sheet; performing printing on the conveyed sheet; detecting occurrence of a print medium jam of the sheet; and, if the printing apparatus has detected a print medium jam of the sheet, performing a control process of supplying the sheet in a state in which the conveying is stopped.
    Type: Application
    Filed: December 16, 2020
    Publication date: July 1, 2021
    Inventors: Yoshiaki Suzuki, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Tomohito Abe, Tsutomu Obata, Noriyuki Aoki, Yasuyuki Asai
  • Publication number: 20210197594
    Abstract: A printing apparatus, comprising a conveyance unit for conveying a sheet, a carriage mounted with a printhead and configured to scan the printhead in a sheet widthwise direction, a platen arranged so as to face the printhead, a detection unit mounted on the carriage and configured to detect a distance to a sheet, a support portion, for supporting a sheet from below, arranged on a downstream side of the carriage in a conveyance direction, movable between a first position at which the support portion forms a conveyance surface for a sheet and a second position at which the support portion protrudes above the conveyance surface, and a determination unit configured to determine, based on a detection result of the detection unit, whether the support portion is at the first position or the second position.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 1, 2021
    Inventors: Tomohito Abe, Yasuyuki Asai, Hiromasa Yoneyama, Ryohei Maruyama, Itaru Wada, Yoshiaki Suzuki, Tsutomu Obata, Noriyuki Aoki
  • Publication number: 20200307269
    Abstract: To provide a printing apparatus and a conveyance apparatus that are capable of preventing a cut position to be cut by a cutting unit from deviating, in a printing apparatus in which printing is performed by a printing unit on a printing medium that is conveyed by a conveyance unit and the printing medium is cut by a cutting unit while being conveyed by the conveyance unit and a conveying force apply unit, the sconveying force apply unit is arranged on an outer side relative to the cutting unit and configured to apply a conveying force to the printing medium in a direction outward in a width direction from an upstream to a downstream in a conveyance direction.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Ryo Kobayashi, Yoshiaki Suzuki, Tsutomu Obata
  • Publication number: 20200307272
    Abstract: To provide a printing apparatus and a conveyance apparatus that are capable of preventing a cut position to be cut by a slitter (cutting unit) from deviating, a printing apparatus, which is configured to perform printing by use of a printing unit on a printing medium conveyed by a conveyance unit and is configured to cut the printing medium on which the printing has been performed by the printing unit by use of a cutting unit at a cut position along a conveyance direction of the conveyance unit, includes an abutment portion configured to abut on a printing surface of the printing medium at an inner position relative to the cut position in a width direction of the printing medium, the width direction that crosses the conveyance direction.
    Type: Application
    Filed: March 27, 2020
    Publication date: October 1, 2020
    Inventors: Yoshiaki Suzuki, Ryo Kobayashi, Tsutomu Obata
  • Publication number: 20200215832
    Abstract: A roll sheet with a continuous sheet wound in a roll form is rotated in a forward direction to supply the sheet to a printing unit. A sensor whose output is changed in accordance with a distance between the sensor and the sheet is used. A rotation direction of the roll sheet is switched from an opposite direction to the forward direction on the basis of the output of the sensor during rotation of the roll sheet in the opposite direction.
    Type: Application
    Filed: March 20, 2020
    Publication date: July 9, 2020
    Inventors: Masato Eiyama, Yuki Igarashi, Masashi Kamada, Masashi Negishi, Ryoya Shinjo, Ryo Kobayashi, Tomohiro Suzuki, Tsutomu Obata
  • Patent number: 10703117
    Abstract: A roll sheet with a continuous sheet wound in a roll form is rotated in a forward direction to supply the sheet to a printing unit. A sensor whose output is changed in accordance with a distance between the sensor and the sheet is used. A rotation direction of the roll sheet is switched from an opposite direction to the forward direction on the basis of the output of the sensor during rotation of the roll sheet in the opposite direction.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: July 7, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masato Eiyama, Yuki Igarashi, Masashi Kamada, Masashi Negishi, Ryoya Shinjo, Ryo Kobayashi, Tomohiro Suzuki, Tsutomu Obata
  • Patent number: 10525281
    Abstract: Provided is a spacer for ionizing radiation therapy, which can be easily disposed in a living body, does not require abdominal surgery for removing the disposed spacer after radiation therapy, and can effectively separate a tissue to be treated from other tissues. The spacer for ionizing radiation therapy includes a fiber assembly obtained by three-dimensionally entangling a fibrous material formed of a biocompatible synthetic polymeric material. Specifically, the spacer has a thickness of 1 mm to 100 mm.
    Type: Grant
    Filed: October 28, 2010
    Date of Patent: January 7, 2020
    Assignees: National University Corporation Kobe University, Kanai Juyo Kogyo Co., LTD., Alfresa Pharma Corporation
    Inventors: Takumi Fukumoto, Tsutomu Obata, Yoshitaka Tagami, Eiichi Uemura, Michiko Manabe
  • Publication number: 20190232086
    Abstract: Disclosed is a spacer for radiotherapy that can be easily compressed into a reduced thickness, and has a high capacity to reconstitute itself from a compressed state back to its initial thickness after removal of external force. The spacer for radiotherapy is a flexible structure having front and back main faces and thickness therebetween, and composed of strands of biocompatible and biodegradable synthetic fibers, wherein the spacer consists of (a) a pair of main face portions opposing each other with a gap therebetween and respectively defining the main faces of the structure, and (b) a linker portion linking between the pair of main face portions, (c) wherein the main face portions comprise a knitted-fabric structure or a weave structure made of the strands, and (d) wherein the linker portion is composed as a collection of linker strands formed of the said strands and respectively extending in the thickness direction of the spacer and linking the pair of main face portions with each other.
    Type: Application
    Filed: September 14, 2017
    Publication date: August 1, 2019
    Inventors: Ryohei SASAKI, Takumi FUKUMOTO, Sachiko INUBUSHI, Tsutomu OBATA, Yoshitaka TAGAMI
  • Patent number: 10161839
    Abstract: An apparatus for measuring for measuring coefficient of restitution which is capable of reducing a mass effect and performing tests in free directions, is disclosed. The apparatus for measuring coefficient of restitution includes a holder for holding a spherical indenter, an ejection mechanism configured to eject the indenter held by the holder from the holder to a specimen, a speed measuring unit configured to measure an impact speed that is a speed of the indenter before the indenter impacts against the specimen, and a rebound speed that is a speed of the indenter after the indenter is rebounded from the specimen; and an arithmetic unit configured to calculate a coefficient of restitution that is a ratio of the rebound speed to the impact speed.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: December 25, 2018
    Assignees: YAMAMOTO SCIENTIFIC TOOL LABORATORY CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Takashi Yamamoto, Kensuke Miyahara, Tsutomu Obata, Koji Kadogawa
  • Publication number: 20180257408
    Abstract: A roll sheet with a continuous sheet wound in a roll form is rotated in a forward direction to supply the sheet to a printing unit. A sensor whose output is changed in accordance with a distance between the sensor and the sheet is used. A rotation direction of the roll sheet is switched from an opposite direction to the forward direction on the basis of the output of the sensor during rotation of the roll sheet in the opposite direction.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 13, 2018
    Inventors: Masato Eiyama, Yuki Igarashi, Masashi Kamada, Masashi Negishi, Ryoya Shinjo, Ryo Kobayashi, Tomohiro Suzuki, Tsutomu Obata
  • Patent number: 9981475
    Abstract: An ink supply apparatus includes a first ink tank, a second ink tank, a first flow path configured to connect the first ink tank and the second ink tank, a volume change unit disposed on the first flow path, configured to be able to change an internal volume of its own, and allow ink to flow thereinto from the first flow path when the internal volume is expanded and to flow out to the first flow path when the internal volume is reduced, a first opening and closing unit disposed between the first ink tank and the volume change unit, and a second opening and closing unit disposed between the second ink tank and the volume change unit.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: May 29, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shigeru Watanabe, Kouhei Tokuda, Tsutomu Obata, Hiroyuki Matsunaka, Naoaki Wada, Eiichi Adachi, Noriyuki Aoki, Toshiro Sugiyama, Ryohei Maruyama, Ryuichi Kato
  • Patent number: 9977017
    Abstract: Provided are a method and means permitting the simultaneous measurement of the reactive properties of more than 10,000 of antigen-stimulated lymphocytes being held on a chip and the separate determination of the states of individual cells. A microwell array comprises multiple wells and a coating layer on one of the principal surfaces of a base member, the wells being of a size permitting the entry of only a single cell into each well. A coating layer of a substance capable of binding to a substance produced by the cells contained in the wells is present on the principal surface around the wells.
    Type: Grant
    Filed: October 4, 2016
    Date of Patent: May 22, 2018
    Assignees: TOYAMA PREFECTURE, VALNEVA
    Inventors: Aishun Jin, Hiroyuki Kishi, Atsushi Muraguchi, Tsutomu Obata
  • Patent number: 9902160
    Abstract: A supply apparatus includes a holder for a liquid container, a link coupled to the holder, an operation handle rotatably coupled to the link, an engaging portion and a rotation restriction unit. The operation handle operate connection and disconnection of the liquid container to and from a supplying portion by rotation with respect to the link. The engaging portion maintains a connection state between the supplying portion and the liquid container by engaging with the operation handle. The unit can restrict rotation of the operation handle when the engaging portion and the operation handle are in a disengaged state.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: February 27, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Toshiro Sugiyama, Noriyuki Aoki, Shigeru Watanabe, Tsutomu Obata, Naoaki Wada, Ryohei Maruyama, Ryuichi Kato, Kouhei Tokuda