Patents Assigned to Canon Kabushiki Kaisha
  • Patent number: 10232617
    Abstract: An ink jet recording method is provided for recording an image by ejecting an ink from a recording head including a member defining an ejection orifice through which the ink is ejected, an ejection element configured to generate an energy used for ejecting the ink, and a first flow path communicating with a portion between the ejection orifice and the ejection element. The method includes ejecting an ink through the ejection orifice, and moving the ink from the first flow path to the portion between the ejection orifice and the ejection element separately from the ejecting of the ink. In this method, the ink is an aqueous ink containing a coloring material and a compound containing a chain hydrocarbon having a carbon number of 8 or more to 18 or less substituted by a hydroxy group or an anionic group.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Mikio Sanada, Shingo Okushima, Yoshiyuki Nakagawa
  • Patent number: 10233041
    Abstract: A sheet supporting apparatus includes a body, a supporting portion configured to be held in an elevating manner by the body and to support a sheet, a sheet regulation portion regulating a position of the sheet supported on the supporting portion, a movement portion capable of moving between a first position where the sheet regulation portion regulates the position of the sheet supported on the supporting portion, and a second position where the supporting portion is regulated from elevating with respect to the body, and a movement regulation unit regulating the movement portion from moving to the second position.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: March 19, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shunsuke Okazaki, Akira Matsushima
  • Patent number: 10231683
    Abstract: A breast imaging apparatus includes a gantry which includes a radiation generation unit configured to generate radiation and a radiation detection unit configured to detect radiation generated by the radiation generation unit, the radiation generation unit and the radiation detection unit being capable of rotating facing each other, wherein the gantry is provided with a front cover configured to protect a subject from the radiation generation unit and the radiation detection unit which rotate during CT imaging, and the front cover has an opening in which the breast of the subject is inserted, and a breast holding portion configured to hold the breast of the subject inserted in the opening.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tetsuo Shimada, Osamu Tsujii, Hiroshi Komatsu, Sakiko Yamaguchi, Nobuhiro Takeuchi, Takahiro Noguchi, Hitomi Ogasawara, Chifuyu Inagaki, Yoshinori Hirano
  • Patent number: 10232616
    Abstract: A liquid ejection head includes a substrate, a piezoelectric element above the substrate, an orifice forming member above the substrate on the piezoelectric-element-provided-side, in which the orifice forming member has an ejection orifice for ejecting liquid and defines a pressure chamber between the orifice forming member and the substrate, and the pressure chamber communicates with the ejection orifice and includes the piezoelectric element therein, a first thin film provided between the substrate and piezoelectric element and defining a space between the first film and the substrate, and a second thin film on the piezoelectric element on the side opposite to the first film side and differing from the first film in rigidity. A communicating port is formed in the substrate in a region facing the space, communicates with the space through an opening having a smaller area than the area of the region, and is closed at an end.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toru Nakakubo
  • Patent number: 10234793
    Abstract: A development device includes a magnetic field generation unit having a developing magnetic pole S2, a magnetic pole N2, and a magnetic pole N1. The magnetic poles N2 and N1 are disposed adjacent to the magnetic pole S2, at positions downstream and upstream of the magnetic pole S2 in a rotation direction of a sleeve, respectively. The magnetic pole N2 is configured to have a larger magnetic flux density and full width half maximum in a normal direction of the sleeve and have a smaller inter-pole distance from the developing magnetic pole than the magnetic pole N1, so that the rising position of magnetic brushes of developer is shifted in the upstream direction, and the magnetic brushes come into contact with a photosensitive drum more suitably.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuta Okuyama, Tomoyuki Sakamaki
  • Patent number: 10232632
    Abstract: An object is to provide a liquid ejection apparatus that allows suppression of a fluctuation in a pressure of a liquid in a flow path caused by a liquid delivery unit, enabling the liquid to be stably ejected through an ejection port. The liquid ejection apparatus including a liquid ejection head having an ejection port through which a liquid is ejected, a flow path configured to communicate with the ejection port, and a liquid delivery unit configured to feed the liquid to the flow path. A relation between an angular frequency ? of the liquid delivered from the liquid delivery unit, a coefficient of kinematic viscosity ? of the liquid, and an equal diameter a of at least a part of a section of an extra-head flow path in a direction normal to a direction in which ink flows satisfies ?(?/2?)×a>1.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshiyuki Nakagawa
  • Patent number: 10232644
    Abstract: A recessed ink receiving portion is provided outside of a sheet supported by a supporting portion of a platen, for receiving ink ejected from a print head, and furthermore, a blowing-out hole is provided for supplying air toward an end of the sheet positioned above the ink receiving portion.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Itaru Wada, Arihito Miyakoshi
  • Patent number: 10234431
    Abstract: A transducer unit includes a substrate, a capacitive transducer provided on the substrate and configured to receive an acoustic wave generated when a subject is irradiated with light from a light source and output an electric signal, a circuit substrate including a current/voltage conversion circuit configured to convert a current output from the capacitive transducer into a voltage, and a flexible printed wiring that electrically connects the capacitive transducer to the current/voltage conversion circuit, in which the circuit substrate is provided on a surface side opposite to a surface where the capacitive transducer is provided among surfaces of the substrate.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Atsushi Kandori
  • Patent number: 10234775
    Abstract: The present invention provides an exposure apparatus which exposes a substrate, comprising a measurement unit configured to measure a height of the substrate at each of a plurality of measurement points, and a control unit configured to control the height of the substrate based on measurement results obtained by the measurement unit, and control an operation to arrange a shot region of the substrate in a first position and expose the shot region, wherein the shot region includes a plurality of partial regions, and the control unit causes the measurement unit to measure the height of the substrate by arranging the shot region in a second position different from the first position so that the number of measurement points arranged in the plurality of partial regions is larger than that when arranging the shot region in the first position.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: March 19, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shinichiro Hirai, Junichi Motojima, Naoto Ohkawa
  • Patent number: 10233046
    Abstract: A sheet discharging device includes a stacking portion configured to stack a sheet; a discharging portion configured to feed the sheet so as to be discharged to the stacking portion, wherein the discharging portion includes a first roller configured to feed the sheet and a second roller provided so as to be contactable to a sheet surface opposite from another sheet surface to which the first roller is contactable to; and an electrically discharging member configured to electrically discharge the sheet in contact with the sheet fed by the discharging portion. As viewed in a widthwise direction perpendicular to a discharging direction of the sheet, the electrically discharging member is provided so as to extend through between rotational axes of the first and second rollers in the discharging direction of the sheet.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Naoyuki Maeda
  • Patent number: 10234844
    Abstract: An information processing apparatus comprises a position and orientation estimation unit configured to estimate each of positions and orientations of a first part and a second part, based on an image including the first part and the second part to which the first part is assembled; and a determination unit configured to determine assembly success/failure of the first part with respect to the second part based on each of the positions and orientations of the first part and the second part.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keisuke Tateno, Masahiro Suzuki
  • Patent number: 10233274
    Abstract: A curable composition contains a polymerizable compound and a polymerization initiator. The polymerization initiator initiates polymerization to cure the polymerizable compound. The curable composition further contains compounds having the following general formulae (1) and (2): wherein X1 is selected from a hydroxy group, a carboxy group, a sulfo group, an amino group, and an alkoxy group, l1 denotes an integer in the range of 0 to 7, m1 denotes an integer in the range of 1 to 5, and n1 denotes an integer in the range of 1 to 16, and X2 is selected from a hydroxy group, a carboxy group, a sulfo group, an amino group, and an alkoxy group, l2 denotes an integer in the range of 0 to 7, m2 denotes an integer in the range of 1 to 5, and n2 denotes an integer in the range of 1 to 16.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Chieko Mihara, Toshiki Ito, Motoki Okinaka
  • Patent number: 10234797
    Abstract: An image forming apparatus includes an image bearing member, a transfer body, a bias applying portion, a current detection unit, and a control unit. The control unit is configured to change the upper limit voltage based on the current detected by the current detection unit in a state where a test bias is applied to the transfer portion during a non-image forming period, and a voltage of the test bias being applied.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shozo Aiba
  • Patent number: 10233343
    Abstract: An aqueous ink for use in an ink jet recording method in which ink is thermally ejected from a recording head to record an image on a recording medium. The aqueous ink includes zirconium oxide; a pigment; a resin dispersant for the pigment; and a first and a second urethane resin. The content (ppm) of the zirconium oxide in terms of zirconium is 0.5-20.0 ppm based on the total mass of the ink. The pigment is at least one of phthalocyanine, quinacridone, diketopyrrolopyrrole, dioxazine, perinone, perylene and anthraquinone pigments. Each of the first and second urethane resins has a unit derived from a polyether polyol. The ratio of the weight-average molecular weight Mw1 of the first urethane resin to the weight-average molecular weight Mw2 of the second urethane resin is 0.20-0.80 times. The second urethane resin has a weight-average molecular weight Mw2 of 20,000-70,000.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Satoshi Takebayashi, Shuichi Okazaki, Minako Kawabe, Yuko Nishiwaki, Hiroshi Kakikawa, Eriko Kawakita
  • Patent number: 10234803
    Abstract: An image heating device includes a cylindrical film, an opposing member opposing the film, an electroconductive frame, and a preventing member provided on the frame to prevent movement of the film and including a preventing surface contacting an end edge of the film when the film moves in a longitudinal direction thereof. The preventing member includes an enclosing portion extending from the preventing surface toward a central portion of the film with respect to the longitudinal direction so as to enclose an outer peripheral surface of a longitudinal end portion of the film, the enclosing portion being provided at a position at which the enclosing portion is in non contact with the outer peripheral surface of the film with respect to a radial direction of the film.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yoshinori Hashimoto
  • Patent number: 10235010
    Abstract: An information processing apparatus acquires information about designation of a position of a virtual viewpoint related to a virtual viewpoint image generated based on image capturing by a plurality of cameras, and decides, based on the information, a virtual listening point for generating an audio signal based on sound pickup at a plurality of sound pickup points.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 19, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masanobu Funakoshi
  • Patent number: 10234805
    Abstract: An image forming apparatus includes an image forming unit, a transmission unit, a reception unit, a control unit configured to obtain a time period until the reception unit receives a first ultrasonic wave via a first recording material and an amplitude value thereof at a reference temperature, obtain a time period until the reception unit receives a second ultrasonic wave via a second recording material and an amplitude value thereof at a different temperature, control an image formation condition for forming the image on the first recording material on the basis of the amplitude value of the first ultrasonic wave, obtain a difference time period between reception of the first and second ultrasonic waves, and control an image formation condition for forming the image on the second recording material on the basis of the difference time period and the amplitude value of the second ultrasonic wave.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shuhei Watanabe, Tsutomu Ishida
  • Patent number: 10234650
    Abstract: A lens barrel that achieves modes with and without an optical element while reducing a size in an optical axis direction. A first drive mechanism moves a first optical element in the optical axis direction. A second optical element is located at an image surface side of the first optical element and is selectively inserted in an optical path. A second drive mechanism moves a holding member that holds the second optical element in a direction different from an optical axis. A control unit controls the first drive mechanism to move the first optical element to an object side to a position where the first optical element and the holding member are not in an overlap state when viewing in a direction perpendicular to the optical axis, controls the second drive mechanism to remove the second optical element from the optical path, when they are in the overlap state.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Akihiko Nishide
  • Patent number: 10234807
    Abstract: An image forming apparatus includes an image bearing member, a toner image forming portion, a transfer member, a cleaning member, and a controller configured to carry out a process for notifying information on a lifetime of the image bearing member on the basis of information on contact pressure of the cleaning member to the image bearing member.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: March 19, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yuichi Hatanaka, Masahiro Makino, Ryuta Ai, Takashi Ueno
  • Patent number: 10234777
    Abstract: A toner is provided, which is obtained by heat treating a toner particle containing a crystalline polyester resin, an amorphous polyester resin, a hydrocarbon wax and a wax dispersant, wherein the crystalline polyester resin is a hybrid resin having crystalline polyester segments and amorphous vinyl segments, and a mass ratio of crystalline polyester segments and amorphous vinyl segments in the crystalline polyester resin (crystalline segments/amorphous segments) is 70/30 to 98/2.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: March 19, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takeshi Ohtsu, Kentaro Kamae, Ryuichiro Matsuo, Yosuke Iwasaki, Wakiko Katsumata, Kenta Mitsuiki, Masaharu Miura, Koh Ishigami, Yuichi Mizo