Patents by Inventor Tatsuya Arai

Tatsuya Arai 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: 20180360592
    Abstract: The present disclosure relates to an anchor. The anchor includes a suture bridge having a proximal end and distal end. The distal end of the suture bridge has a thickness greater than a thickness of the proximal end of the suture bridge. At least two ribs extend from the proximal end of the suture bridge to a proximal end of the anchor. At least one open helical coil wraps around the at least two ribs and extends, substantially, from the proximal end of the suture bridge to the proximal end of the anchor. The at least one open helical coil defines an internal volume communicating with a region exterior to the anchor through apertures between turns of the at least one open helical coil. The at least two ribs are engagable with a grooved shaft of a driver.
    Type: Application
    Filed: March 16, 2018
    Publication date: December 20, 2018
    Applicant: Smith & Nephew, Inc.
    Inventors: Tatsuya Arai, Mark Edwin Housman, Matthew Edwin Koski
  • Patent number: 10103387
    Abstract: A method for producing a fuel cell catalyst layer, which is able to allow an ionomer to sufficiently penetrate to the inside of the fine pores of a support with fine pores. The method is a method for producing a fuel cell catalyst layer in which a catalyst is supported on the support with fine pores and is coated with an ionomer, the method comprising: hydrophilizing a surface of the support by use of nitric acid, and dispersing the support, the catalyst and the ionomer by use of a ball mill after the hydrophilizing, wherein the amount of acidic functional groups per specific surface area of the support is set to 1.79 ?mol/m2 or more in the hydrophilizing.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: October 16, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya Arai, Takashi Ozaki
  • Publication number: 20180280015
    Abstract: An assembly includes a flexible fixation member, a suture, and a delivery device. The fixation member includes a body with two terminal ends. A suture passes through the flexible fixation member at various points along a length of the body such that portions of the fixation member are slidable relative to the suture and configurable to form a cluster within a surgical site. The delivery device includes a tubular member, an elongated inserter, and a trigger. The elongated inserter is slidably disposed within the tubular member. The inserter has a forked distal end configured to receive a portion of the fixation member and the suture. The trigger is finger-engagable and fixedly coupled to the proximal end of the inserter. It is configured to advance and retract the inserter relative to the tubular member. The trigger includes a retention member for retaining a proximal end portion of the suture.
    Type: Application
    Filed: June 6, 2018
    Publication date: October 4, 2018
    Applicant: Smith & Nephew, Inc.
    Inventors: Geoffrey I. Karasic, Brett A. McKenzie, Steven William Astorino, Richard M. Lunn, Matthew Edwin Koski, Tatsuya Arai, Mark Edwin Housman, Roland F. Gatturna
  • Patent number: 10090532
    Abstract: The present invention provides a method for producing a fuel cell electrode which is configured to be able to deliver stable electricity generation performance even if the humidity condition of the external environment is changed. Disclosed is a method for producing a fuel cell electrode comprising a catalyst layer that contains a catalyst composite-carried carbon containing platinum, a titanium oxide and an electroconductive carbon, wherein the method comprises: a first step of decreasing an amount of acidic functional groups on a surface of the catalyst composite-carried carbon by firing the catalyst composite-carried carbon at 250° C. or more; a second step of producing a catalyst ink by mixing the catalyst composite-carried carbon obtained in the first step, an ionomer, and a solvent; and a third step of forming the catalyst layer using the catalyst ink obtained in the second step.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: October 2, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya Arai, Takazumi Mandokoro
  • Publication number: 20180269492
    Abstract: A method for producing a catalyst ink, by which the surface of a catalyst can be appropriately covered with an ionomer, and the power generation performance of a fuel cell can be excellent in a wide range of humidity environments, and a catalyst composite.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 20, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya ARAI, Takashi OZAKI
  • Publication number: 20180254724
    Abstract: Provided are: a starter generator including a field portion having a permanent magnet, and an armature unit including a first multi-phase winding and a second multi-phase winding which are arranged in parallel; a first power conversion unit including a first positive-side DC terminal connected to a battery and a plurality of first AC terminals connected to the first multi-phase winding, the first power conversion unit being configured to convert a power bidirectionally between DC and AC; a second power conversion unit including a plurality of second AC terminals connected to the second multi-phase winding, the second power conversion unit being configured to control a current to be input and output via the second AC terminals; and a control unit configured to detect a positional relationship between the field portion and the armature unit based on an output voltage of the second multi-phase winding, and control the first power conversion unit and the second power conversion unit in accordance with the detecte
    Type: Application
    Filed: October 1, 2015
    Publication date: September 6, 2018
    Inventor: Tatsuya ARAI
  • Publication number: 20180205092
    Abstract: A method for producing a fuel cell catalyst layer configured to prevent an increase in cell resistance, have excellent IV characteristic, and be even. The method includes the steps of: preparing a catalyst composite that comprises a titanium oxide support and platinum or a platinum alloy supported on a surface thereof, and an ionomer; mixing the catalyst composite, the ionomer, and a dispersion medium containing at least water and a tertiary alcohol having from 4 to 6 carbon atoms where a content ratio of the tertiary alcohol is the highest; and, while pulverizing aggregates comprising the catalyst composite and the ionomer, dispersing a mixture obtained by the pulverization in the dispersion medium.
    Type: Application
    Filed: December 13, 2017
    Publication date: July 19, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Tatsuya ARAI, Takashi OZAKI
  • Patent number: 10010314
    Abstract: An assembly includes a flexible fixation member, a suture, and a delivery device. The fixation member includes a body with two terminal ends. A suture passes through the flexible fixation member at various points along a length of the body such that portions of the fixation member are slidable relative to the suture and configurable to form a cluster within a surgical site. The delivery device includes a tubular member, an elongated inserter, and a trigger. The elongated inserter is slidably disposed within the tubular member. The inserter has a forked distal end configured to receive a portion of the flexible fixation member and the suture. The trigger is finger-engagable and fixedly coupled to the proximal end of the inserter. It is configured to advance and retract the inserter relative to the tubular member. The trigger includes a retention member for retaining a proximal end portion of the suture.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: July 3, 2018
    Assignee: Smith & Nephew, Inc.
    Inventors: Geoffrey I. Karasic, Brett A. McKenzie, Steven William Astorino, Richard M. Lunn, Matthew Edwin Koski, Tatsuya Arai, Mark Edwin Housman, Roland F. Gatturna
  • Patent number: 10010316
    Abstract: An assembly includes a flexible fixation member, a suture, and a delivery device. The flexible fixation member includes a body with two terminal ends. A suture passes through the flexible fixation member at various points along a length of the body such that portions of the fixation member are slidable relative to the suture and configurable to form a cluster within a surgical site. The delivery device includes a tubular member, an elongated inserter, and a trigger. The elongated inserter is slidably disposed within the tubular member. The inserter has a forked distal end configured to receive a portion of the flexible fixation member and the suture. The trigger is finger-engagable and fixedly coupled to the proximal end of the inserter. It is configured to advance and retract the inserter relative to the tubular member. The trigger includes a retention member for retaining a proximal end portion of the suture.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: July 3, 2018
    Assignee: Smith & Nephew, Inc.
    Inventors: Geoffrey I. Karasic, Brett A. McKenzie, Steven William Astorino, Richard M. Lunn, Matthew Edwin Koski, Tatsuya Arai, Mark Edwin Housman, Roland F. Gatturna
  • Publication number: 20180115729
    Abstract: A solid-state image pickup element, including: a pixel array including a plurality of pixels; a first calculator that calculates a phase difference evaluation value for focus detection by a phase difference detection method based on signal from the pixel; and a second calculator that calculates a contrast evaluation value for focus detection by a contrast detection method based on signal from the pixel, wherein, when the first calculator completes calculation of the phase difference evaluation value, the phase difference evaluation value is output regardless of whether or not output of an image signal acquired by the pixel array is completed, and wherein, when the second calculator completes calculation of the contrast evaluation value, the contrast evaluation value is output regardless of whether or not output of the image signal acquired by the pixel array is completed.
    Type: Application
    Filed: October 16, 2017
    Publication date: April 26, 2018
    Inventors: Makoto Ise, Tatsuya Arai
  • Patent number: 9931195
    Abstract: The present disclosure relates to an anchor. The anchor includes a suture bridge having a proximal end and distal end. The distal end of the suture bridge has a thickness greater than a thickness of the proximal end of the suture bridge. At least two ribs extend from the proximal end of the suture bridge to a proximal end of the anchor. At least one open helical coil wraps around the at least two ribs and extends, substantially, from the proximal end of the suture bridge to the proximal end of the anchor. The at least one open helical coil defines an internal volume communicating with a region exterior to the anchor through apertures between turns of the at least one open helical coil. The at least two ribs are engagable with a grooved shaft of a driver.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: April 3, 2018
    Assignee: Smith & Nephew, Inc.
    Inventors: Tatsuya Arai, Mark Edwin Housman, Matthew Edwin Koski
  • Patent number: 9899686
    Abstract: The present invention is to provide a method for producing a fuel cell catalyst that is configured to be able to increase the power generation performance of a membrane-electrode assembly. Disclosed is a method for producing a fuel cell catalyst, wherein the method comprises: a mixing step in which, by mixing a platinum-containing solution, a titanium-containing solution and an electroconductive support in a solvent, a catalyst precursor in which a platinum ion compound and a titanium ion compound are supported on the electroconductive support, is formed; a solvent removing step in which, by removing the solvent from a mixture thus obtained after the mixing step, the catalyst precursor is obtained; a firing step in which, by firing the catalyst precursor at a temperature of 500 to 900° C.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: February 20, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Tatsuya Arai
  • Patent number: 9820731
    Abstract: An apparatus including a flexible member with two terminal ends configured to form a single closable loop and at least two fixation members. The first fixation member and the second fixation member are slidably received on the single closable loop formed by the flexible member.
    Type: Grant
    Filed: June 15, 2015
    Date of Patent: November 21, 2017
    Assignee: Smith & Nephew, Inc.
    Inventors: Tatsuya Arai, Matthew Edwin Koski
  • Publication number: 20170297432
    Abstract: A vehicle system includes an instructing portion that issues open/close instructions for a charging disconnector, a discharging disconnector, and a pair of contactors. A diagnosis start determination portion determines a diagnosis start timing before entering a trolleyless section. A remaining battery capacity checks whether a battery unit has a battery capacity necessary in a trolleyless section travel. A relay operation check portion checks operability of a charging disconnector, the discharging disconnector, and the pair of contactors based on certain open/close states of a plurality of relays depending on the open/close instructions.
    Type: Application
    Filed: August 20, 2014
    Publication date: October 19, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kotaro OGAWA, Masaki SATO, Tatsuya ARAI
  • Patent number: 9788935
    Abstract: The present disclosure relates to an anchor. The anchor includes a suture bridge having a proximal end and distal end. The distal end of the suture bridge has a thickness greater than a thickness of the proximal end of the suture bridge. At least two ribs extend from the proximal end of the suture bridge to a proximal end of the anchor. At least one open helical coil wraps around the at least two ribs and extends, substantially, from the proximal end of the suture bridge to the proximal end of the anchor. The at least one open helical coil defines an internal volume communicating with a region exterior to the anchor through apertures between turns of the at least one open helical coil. The at least two ribs are engagable with a grooved shaft of a driver.
    Type: Grant
    Filed: July 22, 2015
    Date of Patent: October 17, 2017
    Assignee: Smith & Nephew, Inc.
    Inventors: Tatsuya Arai, Mark Edwin Housman, Matthew Edwin Koski
  • Publication number: 20170282171
    Abstract: A catalyst particle is composed of an inner particle and an outermost layer that includes platinum and covers the inner particle. The inner particle includes on at least a surface thereof a first oxide having an oxygen defect.
    Type: Application
    Filed: April 13, 2017
    Publication date: October 5, 2017
    Applicants: Toyota Jidosha Kabushiki Kaisha, University of Miyazaki
    Inventors: Go Sakai, Tatsuya Arai, Tetsuya Ogawa, Koshi Sekizawa, Naoki Takehiro
  • Publication number: 20170282820
    Abstract: According to one embodiment, a vehicle-use storage battery system includes a storage battery, a main circuit, a circuit breaker, a storage battery management unit, a first determiner, and a second determiner. The main circuit is electrically connected to the storage battery. The circuit breaker is disposed between the storage battery and the main circuit to make or break the electrical connection therebetween. The storage battery management unit manages an operating state of the storage battery. The first determiner determines whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker. The second determiner determines, on the basis of at least one of operating states of the storage battery management unit, the first determiner, and the circuit breaker, whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 5, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Atsumi KONDO, Kazuto KURODA, Tatsuya ARAI, Masaki SATO, Akinobu NISHIKAWA, Shinichiro KOSUGI, Masahiro SEKINO, Hideaki YASUI, Mai HONDA, Masahiro KUROSU, Kotaro OGAWA, Tomonao TAKAMATSU, Mitsunobu YOSHIDA, Takafumi NAKAHAMA, Akihiko UJIIE
  • Publication number: 20170288236
    Abstract: A fuel cell catalyst layer includes an SnO2 support usable in a wide range of humidity environments and provides high power generation from low to high loads. A production method includes the steps of preparing a catalyst composite of an SnO2 support and platinum or a platinum alloy supported on a surface thereof, and an ionomer that is a proton-conductive polymer; mixing the catalyst composite, the ionomer and a dispersion medium containing at least water and an alcohol having 3 or 4 carbon atoms where the alcohol content is higher than the water, and where a mass ratio (I/MO)) of the ionomer to the SnO2 support is 0.06 to 0.12, and a solid content of the catalyst composite and the ionomer is 24% by mass or more; and dispersing aggregates of the catalyst composite and the ionomer in the dispersion medium by pulverizing by shear force, while preventing reaggregation of the aggregates by applying force.
    Type: Application
    Filed: March 23, 2017
    Publication date: October 5, 2017
    Inventors: Tatsuya ARAI, Takashi OZAKI
  • Patent number: 9775702
    Abstract: The present disclosure relates to an anchor. The anchor includes a suture bridge having a proximal end and distal end. The distal end of the suture bridge has a thickness greater than a thickness of the proximal end of the suture bridge. At least two ribs extend from the proximal end of the suture bridge to a proximal end of the anchor. At least one open helical coil wraps around the at least two ribs and extends, substantially, from the proximal end of the suture bridge to the proximal end of the anchor. The at least one open helical coil defines an internal volume communicating with a region exterior to the anchor through apertures between turns of the at least one open helical coil. The at least two ribs are engagable with a grooved shaft of a driver.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: October 3, 2017
    Assignee: Smith & Nephew, Inc.
    Inventors: Tatsuya Arai, Mark Edwin Housman, Matthew Edwin Koski
  • Publication number: 20170263985
    Abstract: According to one embodiment, a vehicular storage battery device includes a housing, battery boxes, and a common cooling passage. The battery boxes are disposed in the housing. Each of the battery boxes houses an electric cell as a vehicle power source and includes a heat transporting part transporting heat generated in the battery box to outside of the battery box. The common cooling passage is disposed in the housing. The common cooling passage is provided with an inlet for taking in a fluid and an outlet for discharging the fluid having passed through the passage. The inlet and the outlet are open in a direction different from a traveling direction of the vehicle. The heat transporting part of each of the battery boxes is exposed to inside of the passage.
    Type: Application
    Filed: January 6, 2015
    Publication date: September 14, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akinobu NISHIKAWA, Shigeki KONO, Masaki SATO, Tatsuya ARAI, Kotaro OGAWA, Shinichiro KOSUGI, Masahiro SEKINO, Kazuto KURODA, Hideaki YASUI, Mai HONDA, Tomonao TAKAMATSU, Mitsunobu YOSHIDA, Takafumi NAKAHAMA, Akihiko UJIIE, Atsumi KONDO, Masahiro KUROSU