Patents by Inventor Yuta Shimizu

Yuta Shimizu 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: 10632910
    Abstract: A direction in which a driver is looking can be evaluated even when the direction in which the driver should look has changed depending on the driving situation. A driving support device includes a face direction determinator that determines the direction of the face of a driver of a movable body, a line-of-sight direction determinator that determines the direction of the line of sight of the driver, and an alert processing unit that determines at least one of the necessity and an extent of alerting the driver on the basis of an extent of the difference between the direction of the face and the direction of the line of sight.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: April 28, 2020
    Assignee: NEC CORPORATION
    Inventor: Yuta Shimizu
  • Patent number: 10614961
    Abstract: An aluminum electrode in which a porous layer made of a sintered layer of aluminum powder having an average particle diameter of 1 ?m to 10 ?m is laminated in a thickness of 150 ?m to 3000 ?m on a surface of an aluminum core material is produced by chemical formation to produce an anode for an electrolytic capacitor. In this process, an organic acid immersion step of immersing the aluminum electrode in an organic acid aqueous solution containing dodecanoic acid, benzoic acid, propanedioic acid, butanedioic acid, (E)-2-butenedioic acid, 2-hydroxypropane-1,2,3-tricarboxylic acid, (E)-1-propene-1,2,3-tricarboxylic acid, or the like is carried out after a pure water boiling step and before a chemical formation step. In the chemical formation step, a phosphoric acid immersion step of immersing the aluminum electrode in an aqueous solution containing phosphate ions is carried out one or more times in the course of raising a film withstand voltage to a chemical formation voltage.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: April 7, 2020
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Yuta Shimizu, Yuya Yoshida, Masahiko Katano, Shinya Sone, Masashi Mehata, Toshifumi Taira
  • Patent number: 10586440
    Abstract: An anti-theft management device includes a notification information-transmitting unit that transmits notification information to vehicles located within a communicable range when the notification information is not able to be transfer to a set theft notification destination and when it is determined that identification information of a determination target vehicle coincides with identification information of a stolen vehicle on the basis of theft information including the identification information of the stolen vehicle.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 10, 2020
    Assignee: NEC CORPORATION
    Inventors: Yuta Shimizu, Hidenori Tsukahara
  • Publication number: 20200023813
    Abstract: There is provided a wiper blade and wiper arm connecting structure in which a wiper blade is connected to a wiper arm by fitting a connecting portion of the wiper blade into a coupling portion of the wiper arm, which improves the aesthetic appearance of a portion where the wiper blade is connected to the wiper arm. In a wiper blade and wiper arm connecting structure, a wiper blade 1 is connected to a wiper arm 2 by fitting a clip 13 of the wiper blade 1 into a coupling portion 21 of the wiper arm 2. The coupling portion 21 includes an opening 24 through which the clip 13 is introduced into the coupling portion 21. A locking portion 26 engaging with a locking recess portion 44 on a locking piece 40 of the clip 13 is provided at a distal end 22A (an edge portion of the opening 24) of a top wall 22 of the coupling portion 21.
    Type: Application
    Filed: March 23, 2018
    Publication date: January 23, 2020
    Inventor: Yuta SHIMIZU
  • Publication number: 20200013555
    Abstract: An electrode holder and a method for producing an electrode for an aluminum electrolytic capacitor are provided that enable prevention of exfoliation of a porous layer during chemical formation even when the porous layer is formed on an aluminum electrode so as to have a thickness of 200 micrometers or greater. When an aluminum electrode 10 having at least one surface 11 on which a porous layer 17 having a thickness of 200 micrometers or greater is formed is subjected to chemical formation in a chemical formation solution, the aluminum electrode 10 is held by an electrode holder 50. The electrode holder 50 includes: an insulating first support plate 51 configured to overlap the one surface 11 of the aluminum electrode 10; an insulating second support plate 52 configured to overlap the other surface 12 of the aluminum electrode 10; and a connecting part 53 configured to connect the first support plate 51 and the second support plate 52 to each other.
    Type: Application
    Filed: December 7, 2017
    Publication date: January 9, 2020
    Inventors: Yuta SHIMIZU, Masahiko KATANO, Toshifumi TAIRA, Shinya SONE
  • Publication number: 20200013556
    Abstract: A method for producing an electrode for an aluminum electrolytic capacitor is provided that can reduce defects in a chemical formation film formed at a chemical formation voltage of 500 V or higher. For producing the electrode for an aluminum electrolytic capacitor, an aluminum electrode is brought into contact with pure water having a temperature of 70° C. or higher to form a hydrated film having a suitable film thickness on the aluminum electrode at a hydration step, and then chemical formation is performed thereon at a chemical formation voltage of 500 V or higher in a chemical formation solution having a temperature of 40° C. or higher at a chemical formation step. At the chemical formation step, when the relative velocity of the chemical formation solution to the aluminum electrode is represented by a three-dimensional velocity vector B?A and the absolute value of the velocity vector B?A is represented by |B?A|, the absolute value |B?A| of the velocity vector satisfies the following conditional formula.
    Type: Application
    Filed: December 7, 2017
    Publication date: January 9, 2020
    Inventors: Yuta SHIMIZU, Shuhei ENOKI, Masahiko KATANO, Toshifumi TAIRA, Kazuya FUJIMOTO, Shinya SONE
  • Publication number: 20190362902
    Abstract: An electrode for an aluminum electrolytic capacitor and a method for producing the same are provided that enable improvement of water resistance of a chemical formation film having a withstand voltage of 400 V or higher. The electrode for an aluminum electrolytic capacitor is produced by performing a hydration step of bringing the aluminum electrode into contact with a hydration treatment liquid having a temperature of 78° C. to 92° C. to form a hydrated film on the aluminum electrode and a chemical formation step of performing chemical formation at a chemical formation voltage of 400 V or higher in a chemical formation solution having a temperature of 58° C. to 78° C. to form the chemical formation film on the aluminum electrode. In this method, the amount of the hydrated film is made appropriate.
    Type: Application
    Filed: December 7, 2017
    Publication date: November 28, 2019
    Inventors: Yuta SHIMIZU, Shuhei ENOKI, Masahiko KATANO, Toshifumi TAIRA, Kazuya FUJIMOTO, Shinya SONE
  • Publication number: 20190362901
    Abstract: Provided is a method for producing an electrode for an electrolytic capacitor, the method comprising: a hydration step in which an aluminum electrode is immersed in a hydration treatment solution having a temperature of 80° C. or higher; and a chemical conversion step in which the aluminum electrode is subjected to chemical conversion treatment up to a formation voltage of at least 400 V. The hydration treatment solution contains a hydration inhibitor. The thickness of a hydrated film formed in the hydration step satisfies the following condition, 0.6?t2/t1?1, wherein t1 is the average thickness of the hydrated film formed in a depth range of up to 100 ?m from the surface of the aluminum electrode, and t2 is the average thickness s of the hydrated film formed in a deep portion at least 100 ?m from the surface of the aluminum electrode.
    Type: Application
    Filed: October 3, 2017
    Publication date: November 28, 2019
    Inventors: Yuta SHIMIZU, Masahiko KATANO, Yuya YOSHIDA, Toshifumi TAIRA, Shinya SONE
  • Publication number: 20190322146
    Abstract: An amphibious vehicle includes a vehicle body, a prime mover, a drive wheel, a water propulsion device, a drive wheel transmission, and a propulsion transmission. The drive wheel is disposed on a front side of the prime mover. The water propulsion device is disposed on a rear side of the prime mover. The drive wheel transmission is disposed on the front side of the prime mover and transmits power from the prime mover to the drive wheel. The propulsion transmission is disposed on the rear side of the prime mover and transmits the power from the prime mover to the water propulsion device.
    Type: Application
    Filed: December 7, 2017
    Publication date: October 24, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shinichi SATO, Mitsuo ONOUE, Tetsuya MIYAMOTO, Takashi MATSUNAGA, Katsuhiko NAKAJO, Taichi OMURA, Yuta SHIMIZU
  • Publication number: 20190202400
    Abstract: An anti-theft management device includes a notification information-transmitting unit that transmits notification information to vehicles located within a communicable range when the notification information is not able to be transfer to a set theft notification destination and when it is determined that identification information of a determination target vehicle coincides with identification information of a stolen vehicle on the basis of theft information including the identification information of the stolen vehicle.
    Type: Application
    Filed: May 23, 2017
    Publication date: July 4, 2019
    Applicant: NEC CORPORATION
    Inventors: Yuta SHIMIZU, Hidenori TSUKAHARA
  • Publication number: 20190135178
    Abstract: A direction in which a driver is looking can be evaluated even when the direction in which the driver should look has changed depending on the driving situation. A driving support device includes a face direction determinator that determines the direction of the face of a driver of a movable body, a line-of-sight direction determinator that determines the direction of the line of sight of the driver, and an alert processing unit that determines at least one of the necessity and an extent of alerting the driver on the basis of an extent of the difference between the direction of the face and the direction of the line of sight.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 9, 2019
    Applicant: NEC Corporation
    Inventor: Yuta SHIMIZU
  • Publication number: 20180351943
    Abstract: A server for providing a token to a mobile terminal includes a network interface and a processing unit coupled to the network interface. The processing unit is configured to receive from the mobile terminal a request asking for the token, to obtain subscriber identification information of the mobile terminal, to obtain a token which includes a user profile associated with the subscriber identification information and to which an electronic signature is added, and to transmit the token to the mobile terminal.
    Type: Application
    Filed: July 20, 2018
    Publication date: December 6, 2018
    Inventors: Kenta YASUKAWA, Motokatsu MATSUI, Yuta SHIMIZU, Takashi OGUMA
  • Publication number: 20180350526
    Abstract: An aluminum electrode in which a porous layer made of a sintered layer of aluminum powder having an average particle diameter of 1 ?m to 10 ?m is laminated in a thickness of 150 ?m to 3000 ?m on a surface of an aluminum core material is produced by chemical formation to produce an anode for an electrolytic capacitor. In this process, an organic acid immersion step of immersing the aluminum electrode in an organic acid aqueous solution containing dodecanoic acid, benzoic acid, propanedioic acid, butanedioic acid, (E)-2-butenedioic acid, 2-hydroxypropane-1,2,3-tricarboxylic acid, (E)-1-propene-1,2,3-tricarboxylic acid, or the like is carried out after a pure water boiling step and before a chemical formation step. In the chemical formation step, a phosphoric acid immersion step of immersing the aluminum electrode in an aqueous solution containing phosphate ions is carried out one or more times in the course of raising a film withstand voltage to a chemical formation voltage.
    Type: Application
    Filed: September 20, 2016
    Publication date: December 6, 2018
    Inventors: Yuta SHIMIZU, Yuya YOSHIDA, Masahiko KATANO, Shinya SONE, Masashi MEHATA, Toshifumi TAIRA
  • Publication number: 20180222448
    Abstract: There is provided a wiper assembly that includes a wiper blade and a wiper arm, and a connecting member for a wiper assembly, the wiper assembly and the connecting member being configured so that the appearance of the wiper assembly can be improved, and the work of connecting the wiper blade and the wiper arm can be facilitated. In a wiper assembly 1, a clip housing 28 is included in a blade housing section 27 of a wiper arm 2, and a wiper blade 3 and the wiper arm 2 are joined in a state where a clip member 4 is housed within the clip housing 28. Retention sections 29 are provided at lower edges 26A of side walls 26 on both sides of the wiper arm 2, and the clip member 4 is retained by fitting the retention sections 29 into cutout parts 44 of the clip member 4.
    Type: Application
    Filed: July 26, 2016
    Publication date: August 9, 2018
    Inventors: Yuta SHIMIZU, Yoshiaki AOKI
  • Publication number: 20180222447
    Abstract: There is provided a wiper assembly that includes a wiper arm configured to retain a wiper blade in a state where at least a part of the wiper blade is housed within a blade housing section, the wiper assembly being configured so that a reduction in weight and a lowering of the manufacturing cost can be achieved. In a wiper assembly 1 configured to retain a wiper blade 3 by a wiper arm 2, by housing a support section 32 of the wiper blade 3 in a blade housing section 27 provided in an arm main body 23 of the wiper arm 2, the arm main body 23 is formed of metal, while the support section 32 is formed of resin. A plurality of projections 37 are provided on side surfaces 34 of the support section 32, and these projections 37 are made to come into contact with inward-facing surfaces 26B of side walls 26 of the arm main body 23.
    Type: Application
    Filed: July 26, 2016
    Publication date: August 9, 2018
    Inventors: Yuta SHIMIZU, Yoshiaki AOKI
  • Patent number: 9805876
    Abstract: A porous aluminum electrode has a porous layer formed by sintering aluminum powder on the surface of an aluminum core. The porous aluminum electrode, when subjected to a formation to a voltage of 200V or more, is boiled and then subjected to a first forming process in which formation is performed in an aqueous solution of ammonium adipate at a temperature of 80° C. or below and a second forming process in which formation is performed in a boric acid aqueous solution. When heat depolarization is first carried out, washing with water is performed for five minutes or more before heat depolarization; therefore, the porous layer is not destroyed.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: October 31, 2017
    Assignee: NIPPON LIGHT METAL COMPANY, LTD.
    Inventors: Masahiko Katano, Yuya Yoshida, Yoshihiro Taguchi, Asami Shirai, Yuta Shimizu, Toshifumi Taira, Masashi Mehata
  • Patent number: 9665046
    Abstract: Provided is a belt driving roller for a belt driving device configured to drive and rotate an endless belt with at least one driving roller of a plurality of rollers over which the belt is hung by its internal surface, wherein the belt driving roller includes an electroviscosity retaining member of which surface viscosity force reversibly changes under an effect of an electric field.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: May 30, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Masaki Yoshino, Tomoko Kino, Tojiro Aoyama, Yuta Shimizu
  • Publication number: 20160061300
    Abstract: Provided is a belt driving roller for a belt driving device configured to drive and rotate an endless belt with at least one driving roller of a plurality of rollers over which the belt is hung by its internal surface, wherein the belt driving roller includes an electroviscosity retaining member of which surface viscosity force reversibly changes under an effect of an electric field.
    Type: Application
    Filed: August 18, 2015
    Publication date: March 3, 2016
    Applicant: RICOH COMPANY, LTD.
    Inventors: Jun Aoto, Masaki Yoshino, Tomoko Kino, Tojiro Aoyama, Yuta Shimizu
  • Publication number: 20150221443
    Abstract: A porous aluminum electrode has a porous layer formed by sintering aluminum powder on the surface of an aluminum core. The porous aluminum electrode, when subjected to a formation to a voltage of 200V or more, is boiled and then subjected to a first forming process in which formation is performed in an aqueous solution of ammonium adipate at a temperature of 80° C. or below and a second forming process in which formation is performed in a boric acid aqueous solution. When heat depolarization is first carried out, washing with water is performed for five minutes or more before heat depolarization; therefore, the porous layer is not destroyed.
    Type: Application
    Filed: July 23, 2013
    Publication date: August 6, 2015
    Applicants: NIPPON LIGHT METAL COMPANY, LTD.,, TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Masahiko Katano, Yuya Yoshida, Yoshihiro Taguchi, Asami Shirai, Yuta Shimizu, Toshifumi Taira, Masashi Mehata
  • Publication number: 20150159256
    Abstract: The present invention provides a process for producing a sprayed coating which contains ?-Fe nanocrystals dispersed therein. This process includes a thermal spraying step for subjecting an alloy powder which consists of an amorphous phase having a nano-hetero structure such that ?-Fe nanocrystals having particle diameter of 0.3 nm or more and a mean particle diameter of less than 10 nm are dispersed and which has a first crystallization temperature (Tx1) and a second crystallization temperature (Tx2) and further has an Fe content of 74 at % or more to collision with the surface of a substrate by a thermal spray method using a plasma jet or a combustion flame, and forms an amorphous sprayed coating which contains ?-Fe nanocrystals having particle diameters of 0.3 nm or more and a mean particle diameter of 30 nm or less dispersed therein.
    Type: Application
    Filed: April 18, 2013
    Publication date: June 11, 2015
    Inventors: Yuta Shimizu, Akito Murata, Koji Nakashima, Tomohito Ishikawa, Akihiro Makino