Patents by Inventor Masahiko Akamatsu

Masahiko Akamatsu 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: 10646946
    Abstract: A weld overlay system includes a rotation drive section which rotates a tube around its axis; and a welding unit which applies a weld material to the outer peripheral surface of the rotating tube, while the welding unit is advanced along an axial direction of the tube, the welding unit includes: a welding torch; and a weld material supply section which supplies the weld material, the welding torch is disposed such that a tip end of the welding torch is located at an angular position that is advanced at a predetermined angle in a direction opposite to a rotational direction of the tube, and the welding torch is inclined at a predetermined angle in the rotational direction of the tube with respect to a reference line passing through a center axis of the tube and the tip end of the welding torch, viewed from the axial direction of the tube.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: May 12, 2020
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Chiaki Ito, Masahiko Akamatsu, Shingo Yonemoto, Takanori Kozuki
  • Publication number: 20200086415
    Abstract: A welding torch includes a gas lens of a lattice structure that straightens a shielding gas. The welding torch includes a non-consumable electrode, an electrode holder into which the non-consumable electrode is inserted, and a torch body including a sleeve that holds the electrode holder, a flow path forming portion that forms a shielding gas flow path around the sleeve, and a nozzle that forms a shielding gas guiding space around a distal end of the non-consumable electrode, the distal end extending from the electrode holder, in which the gas lens is provided so as to separate the shielding gas flow path from the shielding gas guiding space.
    Type: Application
    Filed: December 14, 2017
    Publication date: March 19, 2020
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiko AKAMATSU, Shingo YONEMOTO, Takanori KOZUKI, Shinya HIBINO, Yukio IKEZAWA, Kenichiro NIIMI, Akitsugu ARAO
  • Publication number: 20190382403
    Abstract: Provided are a novel compound having CDK8 and/or CDK19 inhibitory activity, and a production method for Tregs. The treatment of T cells with a CDK8 and/or CDK19 inhibitor induces Foxp3 in the T cells. Foxp3+ T cells can be induced by treating Foxp3? T cells with the CDK8 and/or CDK19 inhibitor in vitro. Thus, Tregs can be induced.
    Type: Application
    Filed: January 30, 2018
    Publication date: December 19, 2019
    Applicants: Kyoto University, Astellas Pharma Inc.
    Inventors: Shimon SAKAGUCHI, Naganari OHKURA, Norihisa MIKAMI, Shuh NARUMIYA, Masahiko AKAMATSU, Guliang XIA, Hironori HARADA, Naoto NAKAMURA, Satoru UJIHARA, Hisao HAMAGUCHI
  • Publication number: 20190351498
    Abstract: A welding torch includes a torch body including a flow path forming portion that forms a shielding gas flow path into which an inert gas flows and an outer gas flow path communicating with the shielding gas flow path, a first gas lens that straightens the inert gas in the shielding gas flow path and blows the inert gas out as a shielding gas, and a second gas lens that straightens the inert gas in the outer gas flow path and blows the inert gas out as an outer gas. Provided is an all-position welding device that performs butt welding of tubes, and includes the welding torch and a rotation mechanism for rotating the welding torch around the tube.
    Type: Application
    Filed: December 14, 2017
    Publication date: November 21, 2019
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiko AKAMATSU, Shingo YONEMOTO, Takanori KOZUKI, Shinya HIBINO, Yukio IKEZAWA, Kenichiro NIIMI, Akitsugu ARAO
  • Publication number: 20190289235
    Abstract: The present technology relates to an imaging element, an imaging apparatus, and electronic equipment which are capable of accurately detecting phase difference. The imaging element includes a first light-receiving part that receives incident light entering through a first on-chip lens, a first phase detecting pixel which is placed between the first on-chip lens and the first light-receiving part and which has a shading film to limit an amount of light reaching the first light-receiving part, and a second phase detecting pixel which has a second light-receiving part to receive incident light entering through a second on-chip lens, with the second light-receiving part being divided into a plurality of light-receiving regions. The technique disclosed herein is applicable to imaging apparatuses having the autofocusing function.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 19, 2019
    Inventors: MASAHIKO NAKAMURA, NORIHIKO AKAMATSU
  • Patent number: 10245671
    Abstract: A weld overlay system includes a workpiece jig holding a workpiece in manner that the workpiece center axis direction is parallel to X-axis direction, and rotates the workpiece in circumferential direction, a carriage, welding base supported on the carriage in manner that the welding base is displaceable with respect to the carriage in Y-axis direction and Z-axis direction, at least one pair of rollers and welding torch are supported on the welding base, and like. Pair of rollers include rotary shafts extend in parallel with the X-axis and are spaced apart from each other in Y-axis direction. The rollers are pressed against portion of the workpiece above the workpiece center axis C. The welding torch is supported on the welding base in manner that distances in Y-axis direction from the rotary shafts of the pair of rollers to the tip end of the welding torch are equal to each other.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: April 2, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiko Akamatsu, Shingo Yonemoto, Takanori Kozuki, Chiaki Ito
  • Patent number: 10229539
    Abstract: The system includes imaging unit which images a work space at a viewpoint position in a visual line direction of a worker together with an other component to which one component is to be installed, a position attitude information obtaining unit which obtains position attitude information which indicates relative position attitude relation between viewpoint of the worker and other component in the work space, a virtual image generating unit which generates virtual image of an actual shape of the one component at the viewpoint position in the visual line direction of the worker based on position attitude information, an image composing unit which generates composite image by superimposing virtual image on a real image in the work space imaged by the imaging unit, and display unit which displays composite image. According to the system, efficiency of component assembly work can be considerably improved by using mixed reality technology.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: March 12, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shigekazu Shikoda, Naohiro Nakamura, Shinichi Nakano, Masahiko Akamatsu, Shingo Yonemoto, Daisuke Tokai, Takashi Koumoto
  • Patent number: 10166621
    Abstract: A welding device which performs butt welding of tubes includes a table. The table supports a rotary member of a circular-arc shape to which a welding torch is mounted, and a gear train that rotates the rotary member around a center axis of the tubes. The welding device includes a first movement mechanism that moves the table in a first direction perpendicular to the center axis of the tubes, and a second movement mechanism that moves the first movement mechanism in a second direction perpendicular to the center axis of the tubes and the first direction.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: January 1, 2019
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Chiaki Ito, Shingo Yonemoto, Takanori Kozuki, Yukio Ikezawa, Masahiko Akamatsu
  • Patent number: 10140767
    Abstract: The system includes imaging unit configured to image a work space at a viewpoint position in a visual line direction of a worker together with a workpiece, a position attitude information obtaining unit configured to obtain a position attitude information which indicates a relative position attitude relation between a viewpoint of the worker and the workpiece in the work space, a virtual image generating unit configured to generate a three-dimensional virtual image which indicates a completed shape of the workpiece in the viewpoint position and the visual line direction of the worker based on the position attitude information, an image composing unit configured to generate a composite image by superimposing the virtual image on a real image of the work space, and a display unit configured to display the composite image. According to the system, efficiency of workpiece machining work can be considerably improved by using the mixed reality technology.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: November 27, 2018
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Shigekazu Shikoda, Naohiro Nakamura, Shinichi Nakano, Masahiko Akamatsu, Shingo Yonemoto, Daisuke Tokai, Takashi Koumoto
  • Publication number: 20170355033
    Abstract: A weld overlay system includes a rotation drive section which rotates a tube around its axis; and a welding unit which applies a weld material to the outer peripheral surface of the rotating tube, while the welding unit is advanced along an axial direction of the tube, the welding unit includes: a welding torch; and a weld material supply section which supplies the weld material, the welding torch is disposed such that a tip end of the welding torch is located at an angular position that is advanced at a predetermined angle in a direction opposite to a rotational direction of the tube, and the welding torch is inclined at a predetermined angle in the rotational direction of the tube with respect to a reference line passing through a center axis of the tube and the tip end of the welding torch, viewed from the axial direction of the tube.
    Type: Application
    Filed: December 26, 2014
    Publication date: December 14, 2017
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Chiaki ITO, Masahiko AKAMATSU, Shingo YONEMOTO, Takanori KOZUKI
  • Publication number: 20170309067
    Abstract: A parts processing assistance system includes a three dimensional measurement unit for acquiring a three dimensional measured data about a part, a display unit for displaying the part based on the three dimensional measured data, and a virtual assembly unit for virtually assembling the part displayed by the display unit on the display unit. According to this system, assembly error can be confirmed before an actual assembly work of parts.
    Type: Application
    Filed: October 29, 2015
    Publication date: October 26, 2017
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Naohiro NAKAMURA, Shinichi NAKANO, Shigekazu SHIKODA, Masahiko AKAMATSU, Shingo YONEMOTO
  • Publication number: 20170072494
    Abstract: A weld overlay system includes a workpiece jig holding a workpiece in manner that the workpiece center axis direction is parallel to X-axis direction, and rotates the workpiece in circumferential direction, a carriage, welding base supported on the carriage in manner that the welding base is displaceable with respect to the carriage in Y-axis direction and Z-axis direction, at least one pair of rollers and welding torch are supported on the welding base, and like. Pair of rollers include rotary shafts extend in parallel with the X-axis and are spaced apart from each other in Y-axis direction. The rollers are pressed against portion of the workpiece above the workpiece center axis C. The welding torch is supported on the welding base in manner that distances in Y-axis direction from the rotary shafts of the pair of rollers to the tip end of the welding torch are equal to each other.
    Type: Application
    Filed: March 6, 2015
    Publication date: March 16, 2017
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Masahiko AKAMATSU, Shingo YONEMOTO, Takanori KOZUKI, Chiaki ITO
  • Publication number: 20170008113
    Abstract: A welding device which performs butt welding of tubes includes a table. The table supports a rotary member of a circular-arc shape to which a welding torch is mounted, and a gear train that rotates the rotary member around a center axis of the tubes. The welding device includes a first movement mechanism that moves the table in a first direction perpendicular to the center axis of the tubes, and a second movement mechanism that moves the first movement mechanism in a second direction perpendicular to the center axis of the tubes and the first direction.
    Type: Application
    Filed: March 14, 2014
    Publication date: January 12, 2017
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Chiaki ITO, Shingo YONEMOTO, Takanori KOZUKI, Yukio IKEZAWA, Masahiko AKAMATSU
  • Publication number: 20160125654
    Abstract: The system includes imaging unit which images a work space at a viewpoint position in a visual line direction of a worker together with an other component to which one component is to be installed, a position attitude information obtaining unit which obtains position attitude information which indicates relative position attitude relation between viewpoint of the worker and other component in the work space, a virtual image generating unit which generates virtual image of an actual shape of the one component at the viewpoint position in the visual line direction of the worker based on position attitude information, an image composing unit which generates composite image by superimposing virtual image on a real image in the work space imaged by the imaging unit, and display unit which displays composite image. According to the system, efficiency of component assembly work can be considerably improved by using mixed reality technology.
    Type: Application
    Filed: April 23, 2014
    Publication date: May 5, 2016
    Inventors: Shigekazu SHIKODA, Naohiro NAKAMURA, Shinichi NAKANO, Masahiko AKAMATSU, Shingo YONEMOTO, Daisuke TOKAI, Takashi KOUMOTO
  • Publication number: 20160078682
    Abstract: The system has an imaging unit configured to image a work space at a viewpoint position in a visual line direction of a worker together with a workpiece on which a component is mounted, a position attitude information obtaining unit configured to obtain a position attitude information which indicates a relative position attitude relation between the viewpoint of the worker and the workpiece in the work space, a virtual image generating unit configured to generate a three-dimensional virtual image indicating the component after being mounted at the viewpoint position in the visual line direction, an image composing unit configured to generate a composite image by superimposing the virtual image on a real image of the work space, and a display unit configured to display the composite image. According to the system, efficiency of the component mounting work can be considerably improved by using the mixed reality technology.
    Type: Application
    Filed: April 23, 2014
    Publication date: March 17, 2016
    Inventors: Shigekazu Shikoda, Naohiro Nakamura, Shinichi Nakano, Masahiko Akamatsu, Shingo Yonemoto, Daisuke Tokai, Takashi Koumoto
  • Publication number: 20160078681
    Abstract: The system includes imaging unit configured to image a work space at a viewpoint position in a visual line direction of a worker together with a workpiece, a position attitude information obtaining unit configured to obtain a position attitude information which indicates a relative position attitude relation between a viewpoint of the worker and the workpiece in the work space, a virtual image generating unit configured to generate a three-dimensional virtual image which indicates a completed shape of the workpiece in the viewpoint position and the visual line direction of the worker based on the position attitude information, an image composing unit configured to generate a composite image by superimposing the virtual image on a real image of the work space, and a display unit configured to display the composite image. According to the system, efficiency of workpiece machining work can be considerably improved by using the mixed reality technology.
    Type: Application
    Filed: April 23, 2014
    Publication date: March 17, 2016
    Inventors: Shigekazu SHIKODA, Naohiro NAKAMURA, Shinichi NAKANO, Masahiko AKAMATSU, Shingo YONEMOTO, Daisuke TOKAI, Takashi KOUMOTO
  • Publication number: 20060172296
    Abstract: It is disclosed that novel polypeptides which has enhanced expression levels in the synovial tissues of human chronic rheumatoid arthritis (RA) patients compared with the synovial tissues of human osteoarthritis (OA) patients, polynucleotides encoding the polypeptides, vectors comprising the polynucleotides, transformant cells comprising the vectors and an antibody against the polypeptide. It is also disclosed that polynucleotides specifically hybridizing with the polynucleotides and having at least 15 nucleotides, a detection method which is useful for RA diagnosis, and a detection kit which is useful for RA diagnosis.
    Type: Application
    Filed: July 18, 2003
    Publication date: August 3, 2006
    Inventors: Masahiro Takeuchi, Noboru Yamaji, Jun Takasaki, Masahiko Akamatsu, Kazuhisa Tsunoyama, Masayoshi Harigai
  • Patent number: 6215682
    Abstract: In order to keep constant an outlet temperature of a refrigerant for cooling a semiconductor power device, continuous and variable control of flow rate of the refrigerant is performed. At the same time, a variable speed fan is continuously and variably controlled in response to a temperature control so that an inlet temperature of the refrigerant is kept constant.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: April 10, 2001
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventor: Masahiko Akamatsu
  • Patent number: 6078066
    Abstract: A power semiconductor switching device comprises a mounting board (110) on which a reverse bias driving circuit (20) for applying a reverse bias between the control electrode and one of two main electrodes of a GTO element (11) housed in a flat package is contained. The mounting board (110) has a through hole through which the main electrode of the GTO element (11) penetrates so that the flat package is located in the proximity of the through hole and the perimeter of the through hole partially surrounds the flat package, and a conducting member formed on one surface of the mounting board (110) and electrically connected to the control electrode of the GTO element (11).
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: June 20, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masahiko Akamatsu, Fumio Mizohata, Mikio Bessho
  • Patent number: 6052297
    Abstract: A power conversion apparatus includes a current component control section which outputs q axis and d axis negative-sequence components and q axis and d axis positive-sequence components based on a detected current value or a voltage value, a current component control which compares a current component with the current instruction value from an instruction value generator and outputs to an adder/subtractor the result, a converter converting a control signal output from the adder/subtractor into three-phase components, and an adder adding these three-phase components to respective phases and outputting the result to a power conversion section.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: April 18, 2000
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Masahiko Akamatsu, Michiharu Tsukada, Daisuke Itoh, Shinzo Tamai