Patents by Inventor Takatoshi Tanaka

Takatoshi Tanaka 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: 20150265156
    Abstract: An object information acquiring apparatus is used that includes; a measurement unit comprising a probe that receives acoustic waves from an object, and a position and attitude detector configured to detect at least three positions from among anatomical landmarks of the object; and an information processing device that acquires characteristic information on the interior of the object using the acoustic waves received by the probe.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 24, 2015
    Inventor: Takatoshi Tanaka
  • Publication number: 20150133793
    Abstract: A subject information acquisition apparatus comprises a casing in which a transmissive member capable of transmitting acoustic waves and laser beams therethrough is provided; a light irradiating unit disposed inside the casing so as to irradiate a subject with laser beams with the transmissive member interposed; an acoustic wave probe disposed inside the casing so as to receive acoustic waves with the transmissive member interposed; and a scanning mechanism disposed inside the casing so as to move the light irradiating unit and the acoustic wave probe in relation to the casing, wherein the casing is configured to be movable on the subject.
    Type: Application
    Filed: October 30, 2014
    Publication date: May 14, 2015
    Inventor: Takatoshi Tanaka
  • Publication number: 20150114125
    Abstract: One aspect of the present invention relates to an examined-portion information acquisition apparatus including two examined-portion holding members each configured to hold one of two examined portions, a receiver configured to receive an acoustic wave, and a moving system configured to move the receiver from a position at which the receiver receives an acoustic wave from one examined portion held by one examined-portion holding member among the two examined-portion holding members to a position at which the receiver receives an acoustic wave from another examined portion held by the other examined-portion holding member, wherein the receiver includes a plurality of transducers configured to receive an acoustic wave, and a supporting member on which the plurality of transducers are arranged, and the plurality of transducers are arranged on the supporting member such that directivity axes of some transducers among the plurality of transducers converge.
    Type: Application
    Filed: October 29, 2014
    Publication date: April 30, 2015
    Inventors: Takatoshi Tanaka, Kenichi Nagae, Robert A Kruger
  • Publication number: 20150119680
    Abstract: A long period of time is required to complete measurement performed by a subject information obtaining apparatus. Accordingly, a subject information obtaining apparatus includes a receiver including a plurality of conversion elements which receive acoustic waves and output reception signals and a supporting member including the conversion elements disposed therein, a movement mechanism configured to move the receiver, and a controller configured to input a driving signal to the movement mechanism. The conversion elements are disposed in the supporting member such that directional axes of a number of the conversion elements are converged. The controller controls the movement mechanism so that a center position of a scanning trajectory of the receiver is changed.
    Type: Application
    Filed: August 26, 2014
    Publication date: April 30, 2015
    Inventors: Takatoshi Tanaka, Naoto Abe
  • Patent number: 8757145
    Abstract: An ejection head cartridge and an inhalation apparatus may limit turbulence in an air stream and reduce the likelihood of collisions of ejected drug in an air flow channel so that the drug can be conveyed in a uniform air stream. An ejection head cartridge that is attachable to an inhalation apparatus for ejecting drug for inhalation by a user and has a plurality of ejection ports includes, among end portions continuous to a surface provided with the ejection ports, an end portion parallel to an ejection port array having a shape that guides a part of the air stream generated in the direction orthogonal to the ejection-port providing surface along the surface.
    Type: Grant
    Filed: April 15, 2009
    Date of Patent: June 24, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takatoshi Tanaka
  • Patent number: 8685504
    Abstract: A recording medium includes an ink-receiving layer formed by applying a coating liquid onto at least one surface of a substrate and drying the coating liquid, the coating liquid containing hydrated alumina and a binder, in which the hydrated alumina in the coating liquid has an average particle size of 100 nm to 250 nm, the surface of the ink-receiving layer has an arithmetic average roughness Ra of 0.8 ?m to 2.5 ?m, the arithmetic average roughness Ra being specified by JIS B0601:2001, and the surface of the ink-receiving layer has a specular gloss at 60° of 10.0% or less, the specular gloss at 60° being specified by JIS Z8741.
    Type: Grant
    Filed: June 2, 2011
    Date of Patent: April 1, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hitoshi Nagashima, Hiroshi Asakawa, Takatoshi Tanaka, Masaya Asao
  • Patent number: 8545008
    Abstract: The invention provides a recording medium capable of inhibiting conspicuousness of scratches attached to the recording medium and preventing the occurrence of density unevenness in an image. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein substrate is a resin-coated substrate obtained by coating a base material with a resin, and wherein Ra2 is 0.3 ?m or more and 2.5 ?m or less and Ra1?Ra2 is 2.0 ?m or more, where Ra1 is an arithmetic average roughness of a surface of the substrate son the side of the ink receiving layer as prescribed by JIS B 0601:2001 and Ra2 is an arithmetic average roughness of the outermost surface of the recording medium as prescribed by JIS B 0601:2001.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: October 1, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaya Asao, Hiroshi Asakawa, Hitoshi Nagashima, Takatoshi Tanaka
  • Publication number: 20130251112
    Abstract: A bed-type compression mechanism of related art is still desired to be improved to reduce a burden on a subject and to increase operability of an operator. An apparatus includes a bed configured to support a subject and having an insertion hole through which a subject portion that is part of the subject is inserted; a pair of compression plates configured to hold and compress the subject portion when the subject portion is inserted through the insertion hole; a camera configured to capture an image of the subject portion; and an illumination device configured to irradiate the subject portion inserted through the insertion hole with light from a side opposite to the insertion hole when the image of the subject portion is captured.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 26, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masakazu Taku, Takatoshi Tanaka
  • Publication number: 20130237801
    Abstract: The present invention employs an object information acquiring apparatus that includes a plate configured to hold an object, a probe unit including a probe configured to receive, via the plate, an acoustic wave generated from the object, a tank located below the plate and configured to store matching liquid for acoustically matching the plate and the probe, a supplying unit configured to supply the matching liquid in the tank to a space between the probe unit and the plate, and a generating unit configured to generate property information of an inside of the object on the basis of the acoustic wave. The tank includes an aperture in a portion facing the plate, and the volume of the tank is larger than a sum of the internal volume of the supplying unit and the volume of the space between the plate and the probe unit.
    Type: Application
    Filed: February 27, 2013
    Publication date: September 12, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Takatoshi Tanaka
  • Patent number: 8257804
    Abstract: A recording medium includes a substrate and two or more ink receiving layers on each of a first surface and a second surface of the substrate. The ink receiving layers each contain a pigment and a binder. A1, A2, B1, and B2 (nm) satisfy the relationships (1), (2), and (3), where A1 is the peak of the pore radius distribution of the outermost ink receiving layer on the first surface side, A2 is the peak of the pore radius distribution of the ink receiving layer adjacent to the outermost layer, B1 is the peak of the pore radius distribution of the outermost ink receiving layer on the second surface side, and B2 is the peak of the pore radius distribution of the ink receiving layer adjacent to the outermost layer. The arithmetic average roughness Ra specified in JIS B 0601 of each of the outermost ink receiving layers is 0.50 ?m or more.
    Type: Grant
    Filed: January 26, 2011
    Date of Patent: September 4, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Asakawa, Hitoshi Nagashima, Takatoshi Tanaka
  • Patent number: 8247043
    Abstract: The invention provides a recording medium capable of inhibiting occurrence of undertrapping, lowering the visibility of scratches on the outermost surface of the recording medium and inhibiting occurrence of a mottled pattern when recording is conducted. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein the arithmetic average roughness Ra of the outermost surface of the recording medium as prescribed by JIS B 0601:2001 is 1.1 ?m or more and 2.5 ?m or less, and the skewness Rsk of a roughness curve of the outermost surface of the recording medium as prescribed by JIS B 0601:2001 is 0.1 or less.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: August 21, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takatoshi Tanaka, Hiroshi Asakawa, Hitoshi Nagashima, Masaya Asao
  • Patent number: 8247042
    Abstract: The invention provides a recording medium capable of inhibiting cracks and also inhibiting peeling off of an ink receiving layer upon folding of the recording medium. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein the substrate is a resin-coated substrate obtained by coating a base material with a resin, the arithmetic average roughness Ra of a surface of the substrate on the side of the ink receiving layer as prescribed by JIS B 0601:2001 is 3.0 ?m or more, the skewness Rsk of a roughness curve of the surface of the substrate as prescribed by JIS B 0601:2001 is 0.2 or less, and the coating thickness of the ink receiving layer is 50 ?m or less.
    Type: Grant
    Filed: May 18, 2011
    Date of Patent: August 21, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Asakawa, Masaya Asao, Hitoshi Nagashima, Takatoshi Tanaka
  • Patent number: 8236394
    Abstract: A recording medium comprising a substrate and at least two porous ink receiving layers provided thereon of which a lower layer, second distant from the substrate, is arranged on the substrate side of an upper layer, most distant from the substrate. Pore distribution curves of the upper and lower layers respectively have one peak and two peaks. When pore radii giving the one peak and the two peaks are respectively regarded as R1 and R2, R3 where R2 is smaller than R3, R1 is 8 to 11 nm, R2 is 5 nm or more, R2 is smaller than R1, a difference between R1 and R2 is 2 nm or more, R3 is not less than R1, a difference between R3 and R1 is 3 nm or less. When pore volumes at the pore radii of R2 and R3 are respectively VR2 and VR3, a proportion VR2/VR3 is 0.8 to 2.4.
    Type: Grant
    Filed: February 9, 2011
    Date of Patent: August 7, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takatoshi Tanaka, Hiroshi Asakawa, Hitoshi Nagashima
  • Patent number: 8080291
    Abstract: An ink jet recording medium having a gas-permeable substrate, and an ink receiving layer and a surface layer provided in that order on the gas-permeable substrate, wherein the surface layer is formed through the steps of (1) applying a coating liquid comprising a first inorganic pigment and a binder onto the ink receiving layer, and (2) applying a coagulating liquid comprising a coagulant and a second inorganic pigment having a refractive index higher by 0.30 or more than that of the above first inorganic pigment and an average particle size of 100 nm or less onto the applied coating liquid to subject the coating liquid to a coagulating treatment followed by pressing a coating layer including the coating liquid and the coagulating liquid against a heated casting drum while the coating layer is in a wet condition to subject the coating layer to a cast treatment.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: December 20, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takatoshi Tanaka, Hiroshi Asakawa, Hitoshi Nagashima, Takeshi Tsurusaki, Saki Suzuki
  • Publication number: 20110303222
    Abstract: The present invention provides a liquid ejection head that includes a plurality of rows of liquid ejection ports 11 to eject liquid and a plurality of slit-shaped gas jet ports 12 or a plurality of rows of gas jet ports to jet out gas arranged alternately with the liquid ejection ports 11. The group of ejected liquid droplets is prevented from gathering by making the gas flow rate of gas jetted out from the slit-shaped gas jet ports 12 or the rows of gas jet ports arranged at the outermost sides among the plurality of slit-shaped gas jet ports or the plurality of rows of gas jet ports, whichever appropriate, highest.
    Type: Application
    Filed: March 18, 2010
    Publication date: December 15, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Satoshi Tsuchiya, Takatoshi Tanaka
  • Publication number: 20110300317
    Abstract: A recording medium includes an ink-receiving layer formed by applying a coating liquid onto at least one surface of a substrate and drying the coating liquid, the coating liquid containing hydrated alumina and a binder, in which the hydrated alumina in the coating liquid has an average particle size of 100 nm to 250 nm, the surface of the ink-receiving layer has an arithmetic average roughness Ra of 0.8 ?m to 2.5 ?m, the arithmetic average roughness Ra being specified by JIS B0601:2001, and the surface of the ink-receiving layer has a specular gloss at 60° of 10.0% or less, the specular gloss at 60° being specified by JIS Z8741.
    Type: Application
    Filed: June 2, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hitoshi Nagashima, Hiroshi Asakawa, Takatoshi Tanaka, Masaya Asao
  • Publication number: 20110300316
    Abstract: The invention provides a recording medium capable of inhibiting occurrence of undertrapping, lowering the visibility of scratches on the outermost surface of the recording medium and inhibiting occurrence of a mottled pattern when recording is conducted. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein the arithmetic average roughness Ra of the outermost surface of the recording medium as prescribed by JIS B 0601:2001 is 1.1 ?m or more and 2.5 ?m or less, and the skewness Rsk of a roughness curve of the outermost surface of the recording medium as prescribed by JIS B 0601:2001 is 0.1 or less.
    Type: Application
    Filed: May 20, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takatoshi Tanaka, Hiroshi Asakawa, Hitoshi Nagashima, Masaya Asao
  • Publication number: 20110298879
    Abstract: The invention provides a recording medium capable of inhibiting conspicuousness of scratches attached to the recording medium and preventing the occurrence of density unevenness in an image. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein substrate is a resin-coated substrate obtained by coating a base material with a resin, and wherein Ra2 is 0.3 ?m or more and 2.5 ?m or less and Ra1-Ra2 is 2.0 ?m or more, where Ra1 is an arithmetic average roughness of a surface of the substrate son the side of the ink receiving layer as prescribed by JIS B 0601:2001 and Ra2 is an arithmetic average roughness of the outermost surface of the recording medium as prescribed by JIS B 0601:2001.
    Type: Application
    Filed: May 19, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Masaya Asao, Hiroshi Asakawa, Hitoshi Nagashima, Takatoshi Tanaka
  • Publication number: 20110300315
    Abstract: The invention provides a recording medium capable of inhibiting cracks and also inhibiting peeling off of an ink receiving layer upon folding of the recording medium. The recording medium has a substrate and an ink receiving layer provided on the substrate, wherein the substrate is a resin-coated substrate obtained by coating a base material with a resin, the arithmetic average roughness Ra of a surface of the substrate on the side of the ink receiving layer as prescribed by JIS B 0601:2001 is 3.0 ?m or more, the skewness Rsk of a roughness curve of the surface of the substrate as prescribed by JIS B 0601:2001 is 0.2 or less, and the coating thickness of the ink receiving layer is 50 ?m or less.
    Type: Application
    Filed: May 18, 2011
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Asakawa, Masaya Asao, Hitoshi Nagashima, Takatoshi Tanaka
  • Publication number: 20110297146
    Abstract: A liquid ejection head has a plurality of liquid ejection ports 10 and a plurality of gas jet ports 11 that are arranged alternately. The liquid droplets ejected from the liquid ejection ports 10 are prevented from colliding with each other and can maintain a uniform particle size distribution as gas is jetted out from the gas jet ports 11 in a direction same as the direction in which liquid droplets are ejected from the liquid ejection ports 10.
    Type: Application
    Filed: March 30, 2010
    Publication date: December 8, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Takatoshi Tanaka, Satoshi Tsuchiya