Patents by Inventor Yasushi Nakamura

Yasushi Nakamura 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: 20190123635
    Abstract: An electrically driven vehicle inverter device includes a smoothing capacitor, a discharge resistor, a discharge resistor and first and second discharge switching elements connected in series between both ends of the smoothing capacitor, and a clamp circuit provided for at least one of the first and second discharge switching elements. The clamp circuit includes a reverse flow prevention element and a constant voltage generation element that causes a constant voltage drop when a voltage across the constant voltage generation element exceeds a value determined in advance, for example.
    Type: Application
    Filed: September 15, 2016
    Publication date: April 25, 2019
    Applicant: AISIN AW CO., LTD.
    Inventors: Yasushi NAKAMURA, Tomoya HIRANO
  • Patent number: 10243556
    Abstract: An operation unit comprises a touch panel display, a home key and a power saving key. The power saving key includes an indication portion, and a first indication portion out of the indication portion has light permeability, and a color of its surface is a dark color, and a second indication portion has no light permeability or has it hardly, which is constituted by a double-layered print. In a surface side of this second indication portion, a figure indicative of a power saving key is printed in silver ink, and in a rear side thereof, a figure indicative of the power saving key is printed in black ink. In a normal state, when a backlight is lit, a surface of the first indication portion is bright, and a surface of the second indication portion is darker than the surface of the first indication portion.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: March 26, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasushi Nakamura, Osamu Kawata
  • Patent number: 10216099
    Abstract: A substrate processing apparatus includes an indexer block, a first processing block, a second processing block, and an interface block. The indexer block includes a pair of carrier platforms and a transport section. A carrier storing a plurality of substrates in multiple stages is placed in each of the carrier platforms. The transport section includes transport mechanisms. The transport mechanisms concurrently transport the substrates.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: February 26, 2019
    Assignee: SCREEN Semiconductor Solutions Co., Ltd.
    Inventors: Kazuhiro Nishimura, Yasushi Nakamura, Yasuo Kawamatsu, Ryuichi Chikamori
  • Patent number: 10128492
    Abstract: A positive electrode for alkaline storage batteries that enables to improve the active material utilization rate, while suppressing the self-discharge. The positive electrode for alkaline storage batteries includes a support having conductivity, and a positive electrode active material adhering to the support. The positive electrode active material includes particles of a nickel oxide. The particles of the nickel oxide include a first particle group having a particle diameter of 20 ?m or more, and a second particle group having a particle diameter of less than 20 ?m. The first particle group includes a first component with cracks, and a second component without cracks. The proportion of the first particle group in the particles of the nickel oxide is 15 vol % or more, and the proportion by number of the first component in the first particle group is 15% or more.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: November 13, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kiyoshi Hayashi, Yasushi Nakamura, Fumio Kato
  • Patent number: 10119963
    Abstract: Provided is a method for the simple and highly accurate assay of PSA by a one-step reaction that does not use carriers having different average grain sizes. Also provided is a reagent therefor. The PSA assay method comprises sensitizing insoluble carriers having the same average grain size within a range of greater than 0.20 ?m but 0.40 ?m or less using two types of anti-PSA monoclonal antibodies having different epitopes that are anti-PSA monoclonal antibodies that will react with both free PSA and PSA-ACT, which is a complex of free PSA and ?1-antichymotrypsin, and bringing the carriers into contact with a sample in the presence of an aggregation promoter.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: November 6, 2018
    Assignee: SEKISUI MEDICAL CO., LTD.
    Inventors: Yuki Takahashi, Tomo Shimizu, Yasushi Nakamura, Shinya Nakayama, Shinichiro Kitahara
  • Patent number: 9997776
    Abstract: Disclosed is an alloy powder for electrodes for nickel-metal hydride storage batteries having a high battery capacity and being excellent in life characteristics and high-temperature storage characteristics. The alloy powder includes a hydrogen storage alloy containing elements L, M, Ni, Co, and E. L includes La as an essential component. L includes no Nd, or when including Nd, the percentage of Nd in L is less than 5 mass %. The percentage of La in the hydrogen storage alloy is 23 mass % or less. M is Mg, Ca, Sr and/or Ba. A molar ratio ? to a total of L and M is 0.045???0.133. A molar ratio x of Ni to the total of L and M is 3.5?x?4.32, and a molar ratio y of Co is 0.13?y?0.5. The molar ratios x and y, and a molar ratio z of E to the total of L and M satisfy 4.78?x+y+z<5.03.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: June 12, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Akiko Okabe, Hideaki Ohyama, Shinichi Sumiyama, Yasushi Nakamura, Kiyoshi Hayashi, Hiroki Takeshima, Fumio Kato
  • Publication number: 20180136763
    Abstract: A touch key of an operation console includes a circuit board (310) having a light source (312, 314), a light transmitting portion (322) transmitting light, a non-transparent light shielding portion (324) and a semi-transparent operation panel (300) covering upper surfaces of the light transmitting portion and the light shielding portion. The light transmitting portion accommodates the light source. The surfaces of light transmitting portion and light shielding portion in contact with each other are tightly sealed, and the circuit board (310) and the light shielding portion (324) cover the light transmitting portion (322) such that the light is emitted only from the surface in contact with the operation panel (300). Thus, leakage of light from around a figure indicating a touch key can be prevented, and the operation console comes to have a high-class look.
    Type: Application
    Filed: December 22, 2017
    Publication date: May 17, 2018
    Inventors: Yasushi NAKAMURA, Hidenobu MANDAI, Kazuhiro MATSUYAMA, Hiroyuki NAGAO, Kazuhisa YONEDA
  • Publication number: 20180124263
    Abstract: An image forming apparatus comprises an image reading portion, and an operation unit having at least a touch panel display is provided in a front side of the image reading portion. A housing of the image reading portion has a housing projection portion that is projected frontward as compared with a front surface of a document pressing cover, and a power key that is a hardware key is provided on an upper surface of the housing projection portion in a back side as compared with the touch panel display and within a range of a breadth of the operation unit. Accordingly, it is possible to prevent the power key from being operated carelessly, and it becomes easy to recognize a position of the power key.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 3, 2018
    Inventors: Yasushi NAKAMURA, Osamu KAWATA
  • Patent number: 9948219
    Abstract: A rotating electrical machine control device where the changeover control circuit switches the source of electric power for the electronic control unit when the electric power that is supplied from the second DC power supply to the electronic control unit becomes equal to or lower than a predetermined first reference value and electric power that is output from the backup power supply is equal to or higher than a predetermined second reference value, and the electronic control unit uses the electric power supplied from the backup power supply to cause the inverter to perform the switching operation to perform fail-safe control.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: April 17, 2018
    Assignee: AISIN AW CO., LTD.
    Inventors: Subrata Saha, Yutaka Hotta, Yasushi Nakamura
  • Patent number: 9936844
    Abstract: Provided is a self-propelled electronic device in which performance for running over a level difference of a floor surface of a room is improved.
    Type: Grant
    Filed: February 17, 2014
    Date of Patent: April 10, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasushi Nakamura, Koji Murakami
  • Patent number: 9921707
    Abstract: A touch key of an operation console includes a circuit board (310) having a light source (312, 314), a light transmitting portion (322) transmitting light, a non-transparent light shielding portion (324) and a semi-transparent operation panel (300) covering upper surfaces of the light transmitting portion and the light shielding portion. The light transmitting portion accommodates the light source. The surfaces of light transmitting portion and light shielding portion in contact with each other are tightly sealed, and the circuit board (310) and the light shielding portion (324) cover the light transmitting portion (322) such that the light is emitted only from the surface in contact with the operation panel (300). Thus, leakage of light from around a figure indicating a touch key can be prevented, and the operation console comes to have a high-class look.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: March 20, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasushi Nakamura, Hidenobu Mandai, Kazuhiro Matsuyama, Hiroyuki Nagao, Kazuhisa Yoneda
  • Patent number: 9891778
    Abstract: A touch key of an operation console includes a circuit board (310) having a light source (312, 314), a light transmitting portion (322) transmitting light, a non-transparent light shielding portion (324) and a semi-transparent operation panel (300) covering upper surfaces of the light transmitting portion and the light shielding portion. The light transmitting portion accommodates the light source. The surfaces of light transmitting portion and light shielding portion in contact with each other are tightly sealed, and the circuit board (310) and the light shielding portion (324) cover the light transmitting portion (322) such that the light is emitted only from the surface in contact with the operation panel (300). Thus, leakage of light from around a figure indicating a touch key can be prevented, and the operation console comes to have a high-class look.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: February 13, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasushi Nakamura, Hidenobu Mandai, Kazuhiro Matsuyama, Hiroyuki Nagao, Kazuhisa Yoneda
  • Patent number: 9893347
    Abstract: Provided is an alloy powder for an electrode which enables an alkaline storage battery to have both excellent discharge characteristics and excellent life characteristics. The alloy powder includes a hydrogen storage alloy including an element L, Mg, Ni, Al, and an element Ma. The element L is at least one selected from the group consisting of group 3 elements and group 4 elements of the periodic table (excluding Y). The element Ma is at least two selected from the group consisting of Ge, Y, and Sn. A molar proportion x of Mg in a total of the element L and Mg is 0.008?x?0.54. A molar proportion y of Ni, a molar proportion ? of Al, and a molar proportion ? of the element Ma, per the foregoing total is 1.6?y?4, 0.008???0.32, and 0.01???0.12, respectively.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: February 13, 2018
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hideaki Ohyama, Shinichi Sumiyama, Akiko Okabe, Yasushi Nakamura, Kiyoshi Hayashi, Fumio Kato
  • Patent number: 9888138
    Abstract: An image forming apparatus comprises an image reading portion, and an operation unit having at least a touch panel display is provided in a front side of the image reading portion. A housing of the image reading portion has a housing projection portion that is projected frontward as compared with a front surface of a document pressing cover, and a power key that is a hardware key is provided on an upper surface of the housing projection portion in a back side as compared with the touch panel display and within a range of a breadth of the operation unit. Accordingly, it is possible to prevent the power key from being operated carelessly, and it becomes easy to recognize a position of the power key.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: February 6, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasushi Nakamura, Osamu Kawata
  • Patent number: 9880027
    Abstract: A resolver excitation apparatus that adjusts amplitude of a sinusoidal excitation source signal to generate an excitation signal having predetermined amplitude in order to excite an exciting winding of a resolver. A parallel resonant circuit having a parallel resonant element that functions as parallel resonant impedance for impedance of the excitation winding. A series resonant circuit having a series resonant element that functions as series resonant impedance for the impedance of the excitation winding.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: January 30, 2018
    Assignees: AISIN AW CO., LTD., AISIN AW INDUSTRIES CO., LTD
    Inventor: Yasushi Nakamura
  • Publication number: 20170373677
    Abstract: A switching element drive circuit that drives a main switching element by providing a control terminal of the main switching element with a drive signal that has asymmetric positive and negative potentials with respect to a reference potential, the main switching element including a ground terminal, which is a source terminal or an emitter terminal, and to which the reference potential is connected.
    Type: Application
    Filed: December 10, 2015
    Publication date: December 28, 2017
    Applicant: AISIN AW CO., LTD.
    Inventors: Yasushi NAKAMURA, Yuji TAKAKURA
  • Publication number: 20170331400
    Abstract: A rotating electrical machine control device where the changeover control circuit switches the source of electric power for the electronic control unit when the electric power that is supplied from the second DC power supply to the electronic control unit becomes equal to or lower than a predetermined first reference value and electric power that is output from the backup power supply is equal to or higher than a predetermined second reference value, and the electronic control unit uses the electric power supplied from the backup power supply to cause the inverter o perform the switching operation to perform fail-safe control.
    Type: Application
    Filed: December 17, 2015
    Publication date: November 16, 2017
    Applicant: AISIN AW CO., LTD.
    Inventors: Subrata SAHA, Yutaka HOTTA, Yasushi NAKAMURA
  • Publication number: 20170308209
    Abstract: A touch key of an operation console includes a circuit board (310) having a light source (312, 314), a light transmitting portion (322) transmitting light, a non-transparent light shielding portion (324) and a semi-transparent operation panel (300) covering upper surfaces of the light transmitting portion and the light shielding portion. The light transmitting portion accommodates the light source. The surfaces of light transmitting portion and light shielding portion in contact with each other are tightly sealed, and the circuit board (310) and the light shielding portion (324) cover the light transmitting portion (322) such that the light is emitted only from the surface in contact with the operation panel (300). Thus, leakage of light from around a figure indicating a touch key can be prevented, and the operation console comes to have a high-class look.
    Type: Application
    Filed: July 13, 2017
    Publication date: October 26, 2017
    Inventors: Yasushi NAKAMURA, Hidenobu MANDAI, Kazuhiro MATSUYAMA, Hiroyuki NAGAO, Kazuhisa YONEDA
  • Patent number: 9755226
    Abstract: There is provided a nickel-metal hydride storage battery with suppression of rise in internal pressure, allowing suppression of alkaline electrolyte leakage even when two or more of the batteries are used. The battery includes: positive and negative electrodes; a separator interposed therebetween; and an alkaline electrolyte. The negative electrode includes: a material mixture layer including hydrogen storage alloy powder capable of electrochemically absorbing and releasing hydrogen; and a water-repellent layer including a first polymer including tetrafluoroethylene as monomer units, formed on the material mixture layer. The separator includes: a primary layer having a non-woven fabric structure of fibers; and a composite layer formed on the primary layer and being in contact with the water-repellent layer. The composite layer includes: fibers in continuity with the non-woven fabric structure; and a second polymer including tetrafluoroethylene as monomer units.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 5, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Shinichi Sumiyama, Yasushi Nakamura, Akiko Okabe, Fumio Kato
  • Publication number: 20170111526
    Abstract: An image forming apparatus comprises an image reading portion, and an operation unit having at least a touch panel display is provided in a front side of the image reading portion. A housing of the image reading portion has a housing projection portion that is projected frontward as compared with a front surface of a document pressing cover, and a power key that is a hardware key is provided on an upper surface of the housing projection portion in a back side as compared with the touch panel display and within a range of a breadth of the operation unit. Accordingly, it is possible to prevent the power key from being operated carelessly, and it becomes easy to recognize a position of the power key.
    Type: Application
    Filed: October 11, 2016
    Publication date: April 20, 2017
    Inventors: Yasushi NAKAMURA, Osamu KAWATA