Patents by Inventor Yoshihiko Matsuda

Yoshihiko Matsuda 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: 10538798
    Abstract: A novel technique for improving secretory production of a heterologous protein by coryneform bacteria is described, as well as a method for secretory production of a heterologous protein. A coryneform bacterium is described that has been modified to have a specific mutation so as to harbor a phoS gene, and when cultured, is able to to produce a heterologous protein by secretory production.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 21, 2020
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Yumi Ito, Yukari Kashima, Naoko Yamada, Noriko Tsurui, Hiroshi Itaya
  • Publication number: 20200015351
    Abstract: A printed wiring board 1 for high frequency transmission according to an embodiment of the present invention includes: an insulating base material 10; a signal line 21 extending in a longitudinal direction of the insulating base material 10; ground wirings 31, 32 extending in the longitudinal direction while being spaced apart from the signal line 21 by a predetermined distance; a ground layer 40 formed on a major surface 10b; a plurality of ground connection vias 51 electrically connecting the ground wiring 31 and the ground layer 40; and a plurality of ground connection vias 52 electrically connecting the ground wiring 32 and the ground layer 40. A width of the ground wirings 31, 32 is smaller than a land diameter of the ground connection vias 51, 52. Then, the ground connection vias 51 and the ground connection vias 52 are arranged not to overlap each other in a width direction perpendicular to the longitudinal direction throughout a cable portion 90.
    Type: Application
    Filed: November 22, 2018
    Publication date: January 9, 2020
    Applicant: NIPPON MEKTRON, LTD.
    Inventors: Shoji TAKANO, Yoshihiko NARISAWA, Fumihiko MATSUDA
  • Publication number: 20190241621
    Abstract: A novel technique for improving secretory production of a heterologous protein by coryneform bacteria is described, and thereby a method for secretory production of a heterologous protein is provided. A coryneform bacterium able to secrete a heterologous protein modified so that the activity of RegX3 protein is reduced is cultured to produce the heterologous protein by secretory production.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yumi Ito, Yoshihiko Matsuda
  • Publication number: 20190241622
    Abstract: A novel technique for improving secretory production of a heterologous protein by coryneform bacteria is described, and thereby a method for secretory production of a heterologous protein is provided. A coryneform bacterium able to secrete a heterologous protein and modified so that the activity of HrrSA system is reduced is cultured to produce the heterologous protein by secretory production.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yumi Ito, Yoshihiko Matsuda
  • Publication number: 20180037918
    Abstract: A novel technique for improving secretory production of a heterologous protein by coryneform bacteria is described, as well as a method for secretory production of a heterologous protein. A coryneform bacterium is described that has been modified to have a specific mutation so as to harbor a phoS gene, and when cultured, is able to to produce a heterologous protein by secretory production.
    Type: Application
    Filed: October 23, 2017
    Publication date: February 8, 2018
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Yumi Ito, Yukari Kashima, Naoko Yamada, Noriko Tsurui, Hiroshi Itaya
  • Patent number: 9404138
    Abstract: A novel technique for improving ability for secretory production of a multimeric protein of a coryneform bacterium is provided, and thereby a method for secretory production of a multimeric protein is provided. A multimeric protein is produced by secretory production utilizing a coryneform bacterium having an ability to produce a multimeric protein by secretory production and modified so that expression of a gene coding for a metallopeptidase is increased as an expression host.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: August 2, 2016
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Haruki Beppu
  • Patent number: 9187554
    Abstract: A method for secretory production of a heterologous protein is provided by developing a novel technique for improving ability of a coryneform bacterium to produce a heterologous protein by secretory production. By utilizing a coryneform bacterium having an ability to produce a heterologous protein by secretory production which has been modified so that the activity of a penicillin-binding protein is reduced and in which the activity of a cell surface layer protein has been reduced as an expression host, a heterologous protein is produced by secretory production.
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: November 17, 2015
    Assignee: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Hiroshi Itaya, Yoshimi Kikuchi, Haruki Beppu, Jurgis Antanas Vladovich Jomantas, Ekaterina Aleksandrovna Kutukova
  • Publication number: 20140255996
    Abstract: A method for secretory production of a heterologous protein is provided by developing a novel technique for improving ability of a coryneform bacterium to produce a heterologous protein by secretory production. By utilizing a coryneform bacterium having an ability to produce a heterologous protein by secretory production which has been modified so that the activity of a penicillin-binding protein is reduced and in which the activity of a cell surface layer protein has been reduced as an expression host, a heterologous protein is produced by secretory production.
    Type: Application
    Filed: April 29, 2014
    Publication date: September 11, 2014
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Hiroshi Itaya, Yoshimi Kikuchi, Haruki Beppu, Jurgis Antanas Vladovich Jomantas, Ekaterina Aleksandrovna Kutukova
  • Publication number: 20140234901
    Abstract: A novel technique for improving ability for secretory production of a multimeric protein of a coryneform bacterium is provided, and thereby a method for secretory production of a multimeric protein is provided. A multimeric protein is produced by secretory production utilizing a coryneform bacterium having an ability to produce a multimeric protein by secretory production and modified so that expression of a gene coding for a metallopeptidase is increased as an expression host.
    Type: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: AJINOMOTO CO., INC.
    Inventors: Yoshihiko Matsuda, Haruki Beppu
  • Patent number: 8270128
    Abstract: A commutation type DC breaker comprising a main switch inserted in series into a main circuit for connecting a DC source and a load, a commutation capacitor, a reactor, and a commutation switch for supplying charges stored in the commutation capacitor to the main switch in an opposite direction to a main circuit current, producing a current zero point, thereby breaking the main switch, characterized in that the commutation capacitor, the reactor, and the commutation switch which are composed a commutation circuit and a control circuit for controlling the turning on or off of the main switch and the commutation switch are loaded on a frame with the main switch loaded.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: September 18, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Noriaki Munakata, Masato Suzuki, Yoshihiko Matsuda, Naoki Kawamura, Manaba Takamoto
  • Patent number: 7911303
    Abstract: A circuit breaker includes a vacuum valve, an electromagnet including a first coil for driving an operating shaft of the vacuum valve toward an opening direction by electromagnetic repulsion, a movable core and a permanent magnet. Further, an operating mechanism is provided which excites the first coil to close the vacuum valve, holds the vacuum valve closed by an attractive force of the permanent magnet and excites the first coil in a direction reverse to an excitation direction in closing operation to open the vacuum valve. In the circuit breaker, together with the first coil, a second coil is disposed which is excited simultaneously with an electromagnetic repulsion coil for a quick opening operation by electromagnetic repulsion is provided in the electromagnet.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: March 22, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Ayumu Morita, Minoru Hosoda, Yoshihiko Matsuda, Masato Suzuki, Keiichi Miyashita, Shigetoshi Oouchi, Masaaki Saitou, Akihito Yano
  • Patent number: 7813090
    Abstract: A DC switchgear is provided with a commutation-type DC circuit breaker having a main circuit provided with a main switch for interconnecting a DC power supply and a load, and a commutating circuit provided with a commutating capacitor and a commutating switch, which is connected electrically parallel to the main switch. The switchgear further has a DC circuit breaker accommodating box that includes the main circuit provided with the main switch, and the commutation-type DC circuit breaker; a front accommodating box disposed on the front of the DC circuit breaker accommodating box, which accommodates devices having functions for controlling the switchgear and indicating a status, such as a failure status thereof; and a rear accommodating box disposed on the back of the DC circuit breaker accommodating box. The front and rear accommodating boxes are connected to the DC circuit breaker accommodating box to form an integrated DC switchgear.
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: October 12, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Masato Suzuki, Yoshihiko Matsuda, Naoki Kawamura, Masaru Haga
  • Publication number: 20100208392
    Abstract: A commutation type DC breaker comprising a main switch inserted in series into a main circuit for connecting a DC source and a load, a commutation capacitor, a reactor, and a commutation switch for supplying charges stored in the commutation capacitor to the main switch in an opposite direction to a main circuit current, producing a current zero point, thereby breaking the main switch, characterized in that the commutation capacitor, the reactor, and the commutation switch which are composed a commutation circuit and a control circuit for controlling the turning on or off of the main switch and the commutation switch are loaded on a frame with the main switch loaded.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 19, 2010
    Applicant: HITACHI, LTD.
    Inventors: Noriaki MUNAKATA, Masato SUZUKI, Yoshihiko MATSUDA, Naoki KAWAMURA, Manabu TAKAMOTO
  • Publication number: 20080259531
    Abstract: A DC switchgear provided with a commutation-type DC circuit breaker having a main circuit provided with a main switch for interconnecting a DC power supply and a load and for enabling and disabling a main circuit current flow, and a commutating circuit provided with a commutating capacitor and a commutating switch, which is connected electrically parallel to the main switch, comprising: a DC circuit breaker accommodating box includes, as a standard arrangement, the main circuit provided with the main switch, and the commutation-type DC circuit breaker having the commutating circuit provided with the commutating capacitor and the commutating switch, which are connected electrically parallel to the main switch; a front accommodating box disposed on the front of the DC circuit breaker accommodating box, which accommodates devices having functions for controlling the switchgear and indicating a status of the switchgear including a failure status thereof; and a rear accommodating box disposed on the back of the DC
    Type: Application
    Filed: January 24, 2008
    Publication date: October 23, 2008
    Inventors: Masato SUZUKI, Yoshihiko MATSUDA, Naoki KAWAMURA, Masaru HAGA
  • Publication number: 20080156775
    Abstract: A circuit breaker comprising a vacuum valve; an electromagnet including a first coil for driving an operating shaft of the vacuum valve toward an opening direction by electromagnetic repulsion, a movable core and a permanent magnet; and an operating mechanism which excites the first coil to close the vacuum valve, holds the vacuum valve closed by an attractive force of the permanent magnet and excites the first coil in a direction reverse to an excitation direction in closing operation to open the vacuum valve. In the circuit breaker, together with the first coil, a second coil which is excited simultaneously with an electromagnetic repulsion coil for electromagnetic repulsion in quick opening operation by electromagnetic repulsion is provided in the electromagnet.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 3, 2008
    Inventors: Ayumu Morita, Minoru Hosoda, Yoshihiko Matsuda, Masato Suzuki, Keiichi Miyashita, Shigetoshi Oouchi, Masaaki Saitou, Akihito Yano
  • Patent number: 4727841
    Abstract: In an internal combustion engine where the ignition timing is retarded to avoid knocking and an overtemperature of the engine, a fuel incremental amount is calculated by using a curvilinear function having a positive secondary differential value with respect to the retard amount of the ignition timing.
    Type: Grant
    Filed: August 29, 1986
    Date of Patent: March 1, 1988
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kiyoo Hirose, Yoshihiko Matsuda
  • Patent number: 4658785
    Abstract: In a steady running condition of a vehicle, an air-fuel ratio is controlled to be equalized in value to a target air-fuel lener than a stoichiometric air-fuel ratio and an ignition timing is controlled to be equalized in value to a required ignition timing, so that a fuel consumption can be improved.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: April 21, 1987
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadahisa Naganawa, Yoshihiko Matsuda
  • Patent number: 4559915
    Abstract: In a steady running condition of a vehicle, an air-fuel ratio is controlled to be equalized in value to a target air-fuel ratio leaner than a stoichiometric air-fuel ratio and an ignition timing is controlled to be equalized in value to a required ignition timing, so that a fuel consumption can be improved.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: December 24, 1985
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Tadahisa Naganawa, Yoshihiko Matsuda
  • Patent number: 4454846
    Abstract: In an internal-combustion engine disposed in a vehicle, when the engine is in an idle state and the vehicle speed is not equal to zero and is less than a predetermined value, the air-fuel ratio of the engine is controlled so that the air-fuel mixture is on the lean side of the stoichiometric air-fuel ratio. In addition, even after the vehicle speed becomes zero, the air-fuel ratio is controlled so that the air-fuel mixture is on the lean side for a predetermined time period.
    Type: Grant
    Filed: June 21, 1983
    Date of Patent: June 19, 1984
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Yukio Suzuki, Yoshihiko Matsuda