Patents by Inventor Minoru Noguchi

Minoru Noguchi 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: 20140352385
    Abstract: A method of producing a hollow valve comprises the step for forming material having a blind hole along its axis, the step for extruding the material in a shaping hole in a die downward and the step for lowering a lower part of a pin to an upper part of a smaller-diameter portion of the shaping hole to allow the material to plastically flow downward through a gap between the lower part of a pin and the smaller-diameter portion of the shaping hole thereby molding a primary intermediate of the hollow valve having a stem and a head at the upper end of the stem through which a hole is formed.
    Type: Application
    Filed: August 20, 2014
    Publication date: December 4, 2014
    Inventors: Minoru Noguchi, Hiroyuki Tsuchiyama, Masami Yasujima
  • Patent number: 8843257
    Abstract: The present invention provides a fuel cell vehicle capable of displaying information with high usability to a driver or the like in view of appropriately planning a task related to the fuel cell vehicle. A second indicator (I2) displays an available electric power supply of a fuel cell (11), a capacitor (12) and a second cell (16), respectively. A third indicator (I3) displays a remained fuel amount. A fourth indicator (I4) displays a charge amount of the capacitor (12) and the second cell (16), respectively.
    Type: Grant
    Filed: April 7, 2009
    Date of Patent: September 23, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Minoru Noguchi, Takeshi Fujino, Eisuke Komazawa
  • Patent number: 8481220
    Abstract: A fuel cell power supply includes a fuel cell voltage detection means which detects a terminal-to-terminal voltage of the fuel cell; an internal resistance calculation element configured to supply electric power from a battery to a motor via a second DC-DC converter and configured to calculates a resistance value of an internal resistance of the fuel cell on the basis of a detection voltage of the fuel cell in a state where a current output of the fuel cell is stopped, a detection voltage of a terminal-to-terminal voltage of the fuel cell in a state where the output current of the fuel cell is adjusted to a value, and the value; and a deterioration level determination element configured to determines a deterioration level of the fuel cell on the basis of a change in the resistance value of the internal resistance of the fuel cell.
    Type: Grant
    Filed: January 21, 2009
    Date of Patent: July 9, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Mitsuaki Hirakawa, Minoru Noguchi
  • Publication number: 20130047433
    Abstract: A method of producing a hollow valve comprises the step for forming material having a blind hole along its axis, the step for extruding the material in a shaping hole in a die downward and the step for lowering a lower part of a pin to an upper part of a smaller-diameter portion of the shaping hole to allow the material to plastically flow downward through a gap between the lower part of a pin and the smaller-diameter portion of the shaping hole thereby molding a primary intermediate of the hollow valve having a stem and a head at the upper end of the stem through which a hole is formed.
    Type: Application
    Filed: December 2, 2011
    Publication date: February 28, 2013
    Inventors: Minoru Noguchi, Hiroyuki Tsuchiyama, Masami Yasujima
  • Patent number: 8304125
    Abstract: Provided is a power system capable of supplying power steadily to the outside even at a low temperature. A power supply unit disposed in the power system is configured to calculate an amount of power needed to heat a fuel cell to a temperature threshold when the temperature thereof measured by an FC sensor is below the temperature threshold, set an SOC lower limit by adding the calculated amount of power to a discharge threshold of a secondary battery, and control the power supply to a first power supply portion in the range of the SOC lower limit.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: November 6, 2012
    Assignee: Honda Motor Co., Ltd.
    Inventors: Minoru Noguchi, Takeshi Fujino, Eisuke Komazawa
  • Patent number: 8194394
    Abstract: The present invention provides a polarized electrode 12 containing mixed activated carbon composed of at least two activated carbons with different specific surface areas, and the specific surface area of the mixed activated carbon is not less than 900 m2/g and less than 1900 m2/g. By setting the specific surface area of the mixed activated carbon to less than 1900 m2/g, the resistance reduction ratio of the polarized electrode 12 rapidly increases.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: June 5, 2012
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Fujino, Byoungju Lee, Minoru Noguchi, Takahiro Takeshita, Hiroto Kobayashi, Kazuma Inoue, Nozomu Sugo, Yoshifumi Egawa
  • Patent number: 8097373
    Abstract: It is an object of the present invention to provide a fuel cell power supply device that can realize a reduction in size and improvement of durability of an accumulating unit while maintaining output performance that is applicable when large output is requested.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: January 17, 2012
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Fujino, Minoru Noguchi, Eisuke Komazawa, Mitsuaki Hirakawa
  • Patent number: 8084883
    Abstract: An electric bower supply system includes a power supply controlling element (62) configured to switch a plug-out power supply which supplies electric power (75) from a fuel cell (20) or a battery (21) to a house (70) and a plug-in power supply which supplies electric power from a commercial power source (75) disposed in the house (70) to a fuel cell vehicle (1a) on the basis of a vehicular power state of the fuel cell (20) and the battery (21) detected by a vehicular power state detecting element (61) and a household power state of the commercial power source (75) detected by a household power state detecting element (81) when a receptacle (10) of the fuel cell vehicle (1a) and an outlet (71) of the commercial power source (75) have been connected by a power cable (100).
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: December 27, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Eisuke Komazawa, Takeshi Fujino, Minoru Noguchi, Takamichi Shimada
  • Patent number: 8084988
    Abstract: A power supply system includes a fuel cell, a capacitor connected in parallel to the fuel cell, a voltage boost means for boosting output voltages from the fuel cell and the capacitor to supply the electric motor with electric power resulting from the boosted voltages, a voltage control means for further boosting an output voltage from the voltage boost means, a secondary battery connected to the voltage control means, an external power source connecting means connected to the one end of the voltage boost means and in parallel with the fuel cell and for receiving supply of electric power from an external power source, and an electronic control unit which charges the secondary battery from the external power source by controlling step-up ratios of the voltage boost means and the voltage control means such that a voltage applied to the secondary battery during the charging becomes a desired voltage.
    Type: Grant
    Filed: May 19, 2009
    Date of Patent: December 27, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Fujino, Minoru Noguchi, Eisuke Komazawa, Mitsuaki Hirakawa
  • Patent number: 8037956
    Abstract: A vehicle is described that can efficiently cool or heat a group of components, in view of appropriate operating temperature ranges of respective components configuring a fuel cell power supply system, while realizing saving of a mounting space in the vehicle and cost of the vehicle. The vehicle mounted with a fuel cell power supply system includes at least a fuel cell, and an accumulating unit includes a capacitor and a secondary battery connected to the fuel cell. A motor serves as a power source for the vehicle to which output sections of the fuel cell and the accumulating unit are connected. A PDU provided between the output sections and the motor. A component group of the power supply system, including the fuel cell, the accumulating unit, and the PDU, is cooled by a cooling medium which flows inside the vehicle, in order from one having a lowest heating generation amount.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: October 18, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Minoru Noguchi, Mitsuaki Hirakawa, Takeshi Fujino, Eisuke Komazawa
  • Patent number: 8008801
    Abstract: A vehicle power supply device which prevents a lack of power supply to the motor and insufficient recovery of regenerative electric power of the motor at the time of switching between power running and regeneration. First input-output sections (3a, 3b) of a first DC-DC converter (3) are connected to second input-output sections (4d, 4e) of a PDU (4), second input-output sections (3c, 3d) of the first DC-DC converter (3) are connected to a fuel cell (1) and a capacitor (2), first input-output sections (20a, 20b) of a second DC-DC converter (20) are connected to second input-output sections (4d, 4e) of the PDU (4), and second input-output sections (20c, 20d) of the second DC-DC converter (20) are connected to a lithium-ion battery (21).
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: August 30, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Fujino, Minoru Noguchi, Eisuke Komazawa, Mitsuaki Hirakawa
  • Patent number: 7994745
    Abstract: A power supply device for vehicles, output units (10a, 10b) thereof are connected to a motor (5), includes a fuel cell (1) which is connected to the output units (10a, 10b), a capacitor (2) which is connected in parallel to the fuel cell (1), a lithium ion battery (21) which is connected in parallel to the capacitor (2) through a DC/DC converter (20), and a current control means (32) which limits an output current of the lithium ion battery (21) to at most an output upper-limit current (Ibout_lmt) when power is supplied to the motor (5) from the lithium ion battery (21) during a power running operation of the motor (5), and limits an input current into the lithium ion battery (21) to at most an input upper-limit current smaller than the output upper-limit current (Ibin_lmt) through the DC/DC converter (20) when regenerative power of the motor (5) is recovered into the lithium ion battery (21) during a regenerative operation of the motor (5).
    Type: Grant
    Filed: July 31, 2008
    Date of Patent: August 9, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Takeshi Fujino, Mitsuaki Hirakawa, Minoru Noguchi, Eisuke Komazawa
  • Patent number: 7994751
    Abstract: A fuel cell power supply device capable of externally supplying electric power in a stable manner is provided.
    Type: Grant
    Filed: August 6, 2008
    Date of Patent: August 9, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Minoru Noguchi, Mitsuaki Hirakawa, Takeshi Fujino, Eisuke Komazawa
  • Publication number: 20110156642
    Abstract: Provided is a power system capable of assisting an appropriate connection to an external power and preventing inappropriate power charge from being carried out. The power system mounted in a vehicle (1) is provided with a secondary battery (110), an electric motor (120) connected to the secondary battery (110) for driving the vehicle (1), a plurality of external power connecting members (131, 132 and 133) connected respectively by plural types of power supplying connectors for supplying electric power from an external power to the secondary battery (110), and movable insulation plates (171, 172 and 173) configured to block a further connection of a power supplying connector to the other external power connecting members when either one of the external power connecting members (131, 132 and 133) is detected by the connection detecting member to have a connection to a corresponding power supplying connector.
    Type: Application
    Filed: November 24, 2010
    Publication date: June 30, 2011
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Minoru NOGUCHI, Mitsuaki HIRAKAWA, Takeshi FUJINO, Eisuke KOMAZAWA
  • Publication number: 20110141463
    Abstract: Provided are a defect inspection device and a defect inspecting method, which enlarge the uptake range of a light scattered from a fine defect thereby to heighten signal intensity.
    Type: Application
    Filed: July 15, 2009
    Publication date: June 16, 2011
    Inventors: Shuichi Chikamatsu, Minoru Noguchi, Masayuki Ochi, Kenji Aiko
  • Patent number: 7861812
    Abstract: A vehicle suitable in consideration of each of an electric power supply amount to a motor and a mounting space of a fuel cell or the like is provided. The outputs of a fuel cell and a battery are raised in voltage by a voltage raising device, and electric power of these raised voltages is supplied to a motor. A total output voltage of the fuel cell and the battery, and their total volume can be correspondingly reduced. The total volume of a group is reduced including the fuel cell, the battery and the voltage raising device, and a mounting space of the group in the vehicle. A space of a frame on an upper side of a floor panel and a lower side of a seat in a vehicle interior space can be utilized effectively as the mounting space of the group, without enlarging the space of the frame.
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: January 4, 2011
    Assignee: Honda Motor Co., Ltd.
    Inventors: Mitsuaki Hirakawa, Takeshi Fujino, Minoru Noguchi, Eisuke Komazawa
  • Publication number: 20100273080
    Abstract: Provided is a power system capable of supplying power steadily to the outside even at a low temperature. A power supply unit disposed in the power system is configured to calculate an amount of power needed to heat a fuel cell to a temperature threshold when the temperature thereof measured by an FC sensor is below the temperature threshold, set an SOC lower limit by adding the calculated amount of power to a discharge threshold of a secondary battery, and control the power supply to a first power supply portion in the range of the SOC lower limit.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 28, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Minoru Noguchi, Takeshi Fujino, Eisuke Komazawa
  • Publication number: 20100164287
    Abstract: An electric bower supply system includes a power supply controlling element (62) configured to switch a plug-out power supply which supplies electric power (75) from a fuel cell (20) or a battery (21) to a house (70) and a plug-in power supply which supplies electric power from a commercial power source (75) disposed in the house (70) to a fuel cell vehicle (1a) on the basis of a vehicular power state of the fuel cell (20) and the battery (21) detected by a vehicular power state detecting element (61) and a household power state of the commercial power source (75) detected by a household power state detecting element (81) when a receptacle (10) of the fuel cell vehicle (1a) and an outlet (71) of the commercial power source (75) have been connected by a power cable (100).
    Type: Application
    Filed: December 15, 2009
    Publication date: July 1, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Eisuke KOMAZAWA, Takeshi FUJINO, Minoru NOGUCHI, Takamichi SHIMADA
  • Publication number: 20100104906
    Abstract: A fuel cell power supply device can include a fuel cell, a voltage boosting device with an input unit connected to the fuel cell, and an output unit connected to a first load. The boosting device can boost an output voltage and supply electric power to the first load. A storage device is connected to the input unit or the output unit, and a secondary battery can be connected to the output unit of the voltage boosting device via a voltage conversion device. An electric power supply control device controls operation of the voltage conversation device, to carry out supply of electric power to the first load from the secondary battery via the voltage conversion unit. The electric power supply control device also carries out charging of the secondary battery by the supply of electric power to the secondary battery from the voltage boosting device via the voltage conversion device.
    Type: Application
    Filed: March 18, 2008
    Publication date: April 29, 2010
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Mitsuaki Hirakawa, Takeshi Fujino, Minoru Noguchi, Eisuke Komazawa
  • Publication number: 20100002361
    Abstract: The present invention provides a polarized electrode 12 containing mixed activated carbon composed of at least two activated carbons with different specific surface areas, and the specific surface area of the mixed activated carbon is not less than 900 m2/g and less than 1900 m2/g. By setting the specific surface area of the mixed activated carbon to less than 1900 m2/g, the resistance reduction ratio of the polarized electrode 12 rapidly increases.
    Type: Application
    Filed: September 21, 2006
    Publication date: January 7, 2010
    Inventors: Takeshi Fujino, Byoungju Lee, Minoru Noguchi, Takahiro Takeshita, Hiroto Kobayashi, Kazuma Inoue, Nozomu Sugo, Yoshifumi Egawa