Patents by Inventor Masahiro Okuda

Masahiro Okuda 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: 10959701
    Abstract: To provide a photoacoustic probe capable of acquiring subject information for reducing generation of artifacts without increasing the number of wires connected to the outside. Provided is a probe including a plurality of ultrasonic transducers, wherein the ultrasonic transducers are divided into a plurality of groups, two adjoining ultrasonic transducers belong to different groups, and the probe includes a group selection unit configured to switch signals of the ultrasonic transducers to be outputtable for each of the groups.
    Type: Grant
    Filed: November 18, 2015
    Date of Patent: March 30, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Atsushi Kandori, Masahiro Okuda
  • Patent number: 10634278
    Abstract: A monitor stand with a support portion supporting a monitor; a base contacting a placing plane; and a support pillar connecting the support portion and the base. The support pillar includes a plurality of support pillar members provided to overlap one another and the plurality of support pillar members being configured to be slidable one another. The support portion is provided in a first support pillar member which is one of the plurality of the support pillar members. The support pillar includes an interlocking portion configured to extend and shorten the support pillar by sliding the plurality of the support pillar members one another.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: April 28, 2020
    Assignee: EIZO Corporation
    Inventors: Masahiro Okuda, Hidekazu Hogo
  • Publication number: 20190293229
    Abstract: A monitor stand with a support portion supporting a monitor; a base contacting a placing plane; and a support pillar connecting the support portion and the base. The support pillar includes a plurality of support pillar members provided to overlap one another and the plurality of support pillar members being configured to be slidable one another. The support portion is provided in a first support pillar member which is one of the plurality of the support pillar members. The support pillar includes an interlocking portion configured to extend and shorten the support pillar by sliding the plurality of the support pillar members one another.
    Type: Application
    Filed: May 1, 2017
    Publication date: September 26, 2019
    Applicant: EIZO Corporation
    Inventors: Masahiro OKUDA, Hidekazu HOGO
  • Publication number: 20170319179
    Abstract: To provide a photoacoustic probe capable of acquiring subject information for reducing generation of artifacts without increasing the number of wires connected to the outside. Provided is a probe including a plurality of ultrasonic transducers, wherein the ultrasonic transducers are divided into a plurality of groups, two adjoining ultrasonic transducers belong to different groups, and the probe includes a group selection unit configured to switch signals of the ultrasonic transducers to be outputtable for each of the groups.
    Type: Application
    Filed: November 18, 2015
    Publication date: November 9, 2017
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Atsushi Kandori, Masahiro Okuda
  • Patent number: 9437646
    Abstract: A detecting device which detects electromagnetic waves includes an antennal configured to receive electromagnetic waves, and a plurality of semiconductor rectifying devices serially connected to the antenna, and connected in parallel to each other such that the polarity is aligned, so as to receive electromagnetic waves propagated from the antenna, wherein the plurality of semiconductor rectifying devices are each disposed at positions where the phase of electromagnetic waves propagated from the antenna is substantially the same phase.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: September 6, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryota Sekiguchi, Masahiro Okuda
  • Publication number: 20160041091
    Abstract: An oscillation element includes an antenna for oscillation configured to oscillate electromagnetic waves, and multiple negative resistance elements electrically connected to the antenna in parallel, and the multiple negative resistance elements are disposed in only a place where the phases of electromagnetic waves oscillated therefrom are the common phase or opposite phase.
    Type: Application
    Filed: October 16, 2015
    Publication date: February 11, 2016
    Inventors: Ryota Sekiguchi, Masahiro Okuda
  • Patent number: 9197156
    Abstract: An oscillation element includes an antenna for oscillation configured to oscillate electromagnetic waves, and multiple negative resistance elements electrically connected to the antenna in parallel, and the multiple negative resistance elements are disposed in only a place where the phases of electromagnetic waves oscillated therefrom are the common phase or opposite phase.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: November 24, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Ryota Sekiguchi, Masahiro Okuda
  • Publication number: 20140295470
    Abstract: The present invention provides a method for measuring activated partial thromboplastin time. The method comprises: a first mixing step of mixing a blood plasma with a first reagent, wherein the first reagent comprises an activator and phosphatidylglycerol at a concentration equal to or greater than 25 ?g/mL; a second mixing step of mixing a sample obtained in the first mixing step with a second reagent comprising a calcium salt; and a step of measuring coagulation time of the sample obtained in the second mixing step.
    Type: Application
    Filed: March 26, 2014
    Publication date: October 2, 2014
    Applicant: SYSMEX CORPORATION
    Inventors: Masahiro OKUDA, Emi KINOSHITA, Takeshi SUZUKI
  • Patent number: 8759108
    Abstract: In order to provide a reagent kit for detecting LA which can clearly separate a lupus anticoagulant (LA)-positive specimen group from an LA-negative specimen group, it is configured that the reagent kit for detecting LA contains a first clotting time-measuring reagent and a second clotting time-measuring reagent and at least one of the first clotting time-measuring reagent and the second clotting time-measuring reagent contains alkali metal salt. The presence or absence of LA can be determined using the kit.
    Type: Grant
    Filed: February 28, 2012
    Date of Patent: June 24, 2014
    Assignee: Sysmex Corporation
    Inventors: Masahiro Okuda, Kazuyo Yoshida, Osamu Kumano
  • Patent number: 8557592
    Abstract: The present invention provides a reagent kit for detecting lupus anticoagulant which includes a first clotting time-measuring reagent containing manganese salt and a second clotting time-measuring reagent which contains manganese salt at a concentration lower than that of the first clotting time-measuring reagent or does not contain manganese salt and a method of determining the presence or absence of lupus anticoagulant using the kit.
    Type: Grant
    Filed: August 25, 2011
    Date of Patent: October 15, 2013
    Assignee: Sysmex Corporation
    Inventors: Masahiro Okuda, Kazuyo Yoshida, Osamu Kumano
  • Patent number: 8521071
    Abstract: A developer bearing member includes a base body, a surface layer, and a plurality of concave portions provided on the surface layer, wherein a resistance value of the surface layer is 102 ?·cm to 108 ?·cm, the number of the concave portions per unit area is 2250/mm2 to 12254/mm2, a major diameter of an opening of the concave portion is 8 ?m to 20 ?m, a depth of the concave portion is 2 ?m to 5 ?m, a dimensional tolerance of the major diameter is 0.5 ?m or less, and a dimensional tolerance of the depth is 0.5 ?m or less.
    Type: Grant
    Filed: December 1, 2010
    Date of Patent: August 27, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Katsuhiko Nishimura, Yukihide Ushio, Masahiro Okuda, Toshihiko Sugimoto
  • Patent number: 8357539
    Abstract: An activated partial thromboplastin time measuring reagent, including a first reagent containing a phospholipid and an activator and a second reagent containing a herparin neutralizer and a calcium salt is disclosed. An activated partial thromboplastin time measuring method, and a determination method for determining a presence or absence of a blood coagulation inhibitor are also disclosed.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: January 22, 2013
    Assignee: Sysmex Corporation
    Inventors: Kazuyo Yoshida, Masahiro Okuda
  • Publication number: 20120220038
    Abstract: In order to provide a reagent kit for detecting LA which can clearly separate a lupus anticoagulant (LA)-positive specimen group from an LA-negative specimen group, it is configured that the reagent kit for detecting LA contains a first clotting time-measuring reagent and a second clotting time-measuring reagent and at least one of the first clotting time-measuring reagent and the second clotting time-measuring reagent contains alkali metal salt. The presence or absence of LA can be determined using the kit.
    Type: Application
    Filed: February 28, 2012
    Publication date: August 30, 2012
    Applicant: SYSMEX CORPORATION
    Inventors: Masahiro OKUDA, Kazuyo YOSHIDA, Osamu KUMANO
  • Patent number: 8227073
    Abstract: A white polyester film for a liquid crystal display reflective plate realizes a high level of brightness when used in side light type liquid crystal displays and direct type liquid crystal displays. The white polyester film for a light reflective plate has a thickness of 200 ?m or more, wherein, in at least one side (side A) of the white polyester film, M is M??0.0110 (%/nm) and R560?100 (%) when the wavelength dependency of spectral reflectance at a wavelength of 450 to 600 nm is approximated according to the following approximation formula R: R=M×?+B, in which R is an approximation formula by a least square method and represents a light reflectance (%), ? represents a wavelength of light (nm), M represents a wavelength coefficient (%/nm), B represents a constant (%), and R560 represents an estimated reflectance obtained by introducing ?=560 nm into the approximation formula R (%).
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: July 24, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Hideki Fujii, Kazunori Tanaka, Masahiro Okuda
  • Patent number: 8197931
    Abstract: A white polyester film containing voids, wherein a resin constituting the film has a layer (layer A) formed by using a polyester resin and a cyclic olefin copolymerized resin, and wherein a void ratio taken in a cross-section of the layer is more than 25% and 75% or less and the average particle size of the cyclic olefin copolymerized resin in the film is 0.1 ?m or more and 3 ?m or less.
    Type: Grant
    Filed: January 28, 2008
    Date of Patent: June 12, 2012
    Assignee: Toray Industries, Inc.
    Inventors: Takashi Ueda, Hideki Fujii, Tatsuo Yoshida, Kozo Takahashi, Masahiro Okuda, Kazunori Tanaka, Toshihiko Hiraoka
  • Publication number: 20120052585
    Abstract: The present invention provides a reagent kit for detecting LA which includes a first clotting time-measuring reagent containing manganese salt and a second clotting time-measuring reagent which contains manganese salt at a concentration lower than that of the first clotting time-measuring reagent or does not contain manganese salt and a method of determining the presence or absence of LA using the kit.
    Type: Application
    Filed: August 25, 2011
    Publication date: March 1, 2012
    Applicant: SYSMEX CORPORATION
    Inventors: Masahiro OKUDA, Kazuyo YOSHIDA, Osamu KUMANO
  • Patent number: 8004185
    Abstract: Provided is a display apparatus including: a plurality of pixels each having a plurality of light emitting devices each showing different luminescent colors; and a circularly polarizing member placed on a light extraction side of each of the light emitting devices and being across the light emitting devices to be commonly used by the light emitting devices, in which: the circularly polarizing member shows a higher transmittance for a first luminescent color out of the plurality of luminescent colors in a light emitting device showing the first luminescent color than a transmittance for any other color; and a transmittance for the first luminescent color in a light emitting device showing any other luminescent color is lower than the transmittance for the first luminescent color in the light emitting device showing the first luminescent color.
    Type: Grant
    Filed: September 19, 2007
    Date of Patent: August 23, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Fukuda, Masahiro Okuda, Hiroshi Matsuda
  • Publication number: 20110159597
    Abstract: An activated partial thromboplastin time measuring reagent, comprising a heparin neutralizer is disclosed. An activated partial thromboplastin time measuring method, and a determination method for determining a presence or absence of a blood coagulation inhibitor are also disclosed.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 30, 2011
    Applicant: Sysmex Corporation
    Inventors: Kazuyo Yoshida, Masahiro Okuda
  • Publication number: 20110135346
    Abstract: A developer bearing member includes a base body, a surface layer, and a plurality of concave portions provided on the surface layer, wherein a resistance value of the surface layer is 102 ?·cm to 108 ?·cm, the number of the concave portions per unit area is 2250/mm2 to 12254/mm2, a major diameter of an opening of the concave portion is 8 ?m to 20 ?m, a depth of the concave portion is 2 ?m to 5 ?m, a dimensional tolerance of the major diameter is 0.5 ?m or less, and a dimensional tolerance of the depth is 0.5 ?m or less.
    Type: Application
    Filed: December 1, 2010
    Publication date: June 9, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Katsuhiko Nishimura, Yukihide Ushio, Masahiro Okuda, Toshihiko Sugimoto
  • Patent number: D837786
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: January 8, 2019
    Assignee: EIZO CORPORATION
    Inventors: Koichi Okumura, Masahiro Okuda