Patents by Inventor Yoshiyuki Kawamura

Yoshiyuki Kawamura 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: 20240092240
    Abstract: It has at least one fixing plate arranged on the seat back and at least one support member arranged on the fixing plate, and the support member can be arranged at an arbitrary angle at an arbitrary position on the front surface of the fixing plate. Therefore, the position of the support member can be adjusted not only in the vertical direction but also in the horizontal direction with respect to the seat back, but also in the angle. Therefore, it is possible to increase the degree of freedom in the position and the angle of the support member as compared with the related art.
    Type: Application
    Filed: September 13, 2023
    Publication date: March 21, 2024
    Inventors: Yoshiyuki KAWAMURA, Makoto OMURA, Keita ITO
  • Patent number: 9331351
    Abstract: To provide a solid oxide fuel cell device capable of smooth transition from a startup state to an electrical generating state. The present invention is a solid oxide fuel cell device (1) for generating electricity, having a fuel cell module (2); a reformer (20), a fuel supply device (38); a water supply device (28), a generating oxidant gas supply device (45), and a controller (110) for controlling the fuel supply device and water supply device at the time of startup when the fuel cell module solid oxide fuel cell unit is raised to a temperature at which electrical generation is possible; whereby the controller controls the fuel supply device during the SR operation such that electrical generation is started after reducing the fuel supply flow rate prior to starting electrical generation.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: May 3, 2016
    Assignee: TOTO LTD.
    Inventors: Katsuhisa Tsuchiya, Toshiharu Otsuka, Tsukasa Shigezumi, Toshiharu Ooe, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 9184457
    Abstract: The SOFC of the present invention has a plurality of individual solid oxide fuel cells (84) disposed within an generating chamber (10), a fuel supply unit (38) for supplying fuel to the individual solid oxide fuel cells, a temperature sensor (142) for measuring the temperature of the generating chamber (T1), and a control section (110) for changing the amount of fuel supplied in response to an amount of generation required based on control characteristics for supplying fuel, wherein the control section is furnished with a temperature band for monitoring purposes, having a minimum temperature value (Ta) and a maximum temperature value (Tb) for adaptive control, predetermined based on a minimum amount and maximum amount of rated electrical generation, and a maximum temperature value for adaptive control in response to anomalies, which is higher than the maximum temperature value (Tb) of the adaptive control temperature band, and a minimum temperature value for adaptive control in response to anomalies, which is
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: November 10, 2015
    Assignee: TOTO LTD.
    Inventors: Katsuhisa Tsuchiya, Kiyotaka Nakano, Tsukasa Shigezumi, Toshiharu Ooe, Yoshiyuki Kawamura
  • Patent number: 8980496
    Abstract: A solid oxide fuel cell is provided with which the further advance of degradation can be restrained relative to fuel cell units in which degradation has advanced. The present invention is a solid oxide fuel cell system which varies output power in response to a required generation amount. The system comprises a fuel cell module furnished with multiple fuel cell units, a fuel supply device for supplying fuel to the fuel cell module, an oxidant gas supply device for supplying oxidant gas to the fuel cell module, and a controller for changing the amount of fuel supplied from the fuel supply means in response to the required generation amount. The controller reduces the rate of change in the fuel supply amount per unit time when the required generation amount changes subsequent to an estimate or determination that the fuel cell module has degraded.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: March 17, 2015
    Assignee: Toto Ltd.
    Inventors: Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Tsukasa Shigezumi, Yoshiyuki Kawamura
  • Patent number: 8974978
    Abstract: The present invention comprises a fuel cell assembly, a reformer, a fuel flow rate regulator unit for supplying fuel gas to the reformer, a reforming air supply device, a power generating air supply device, and a control unit for igniting fuel gas using an ignition device and conducting a combustion operation causing the fuel gas to combust using power generating air, then sequentially implementing a POX operation, ATR operation, and SR operation; whereby the control section starts the supply of fuel gas, reforming air, and power generating air, then controls the fuel gas supply device, the reforming air supply device, and the power generating air supply device to hold constant the respective supply flow rates of fuel gas, reforming air, and power generating air, without variation, in the combustion operating region in which fuel gas is ignited by the ignition device and combusted.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: March 10, 2015
    Assignee: Toto Ltd.
    Inventors: Toshiharu Ooe, Tsukasa Shigezumi, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8968953
    Abstract: A solid oxide fuel cell capable of maintaining performance over a long time period by appropriately changing fuel cell module operating conditions. The present invention is a solid oxide fuel cell (1), having a fuel cell module (2), a fuel supply device (38), an oxidant gas supply device (45), and a controller (110) for controlling the amount of fuel supplied from the fuel supply device; the controller is furnished with a degradation determining circuit (110a) for determining degradation in the fuel cell module and a degradation response circuit (110b) for changing fuel cell module operating conditions based on the degradation determination by the degradation determining circuit; the degradation determination stores fuel cell module operating results arising from the operating conditions changed by the degradation response circuit, and executes further degradation determination based on the stored operating results.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: March 3, 2015
    Assignee: Toto Ltd.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8900764
    Abstract: To provide a solid oxide fuel cell device capable of smooth transition from a startup state to an electrical generating state. The present invention is a solid oxide fuel cell device (1) for generating electricity, having a fuel cell module (2); a reformer (20), a fuel supply device (38); a water supply device (28), a generating oxidant gas supply device (45), and a controller (110) for controlling the fuel supply device and water supply device at the time of startup when the fuel cell module solid oxide fuel cell unit is raised to a temperature at which electrical generation is possible, inducing in the reformer a SR in which only a steam reforming reaction occurs; wherein the control section maintains the fuel supply flow rate in the SR immediately prior to electrical generation at an electrical generation standby fuel supply flow rate determined according to solid oxide fuel module usage conditions and smaller than the fuel supply flow rate at the time of SR startup.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: December 2, 2014
    Assignee: Toto Ltd.
    Inventors: Katsuhisa Tsuchiya, Toshiharu Otsuka, Tsukasa Shigezumi, Toshiharu Ooe, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8859156
    Abstract: To provide a solid oxide fuel cell capable of extending the time period over which a minimum rated output power can be maintained while restraining the advance of fuel cell module degradation. The present invention is a solid oxide fuel cell (1), having a fuel cell module (2), a fuel supply device (38), an oxidant gas supply device (45), and a controller (110); wherein the controller is furnished with a degradation determining circuit for determining degradation (110a) and a fuel correction circuit for correcting operating condition (110b); in which the fuel correction circuit executes a correction to reduce rated output power so that the fuel supply amount is reduced when a determination is made that the fuel cell module has degraded, and when degradation of the fuel cell module advances and predetermined correction switching condition is satisfied, the fuel correction circuit corrects the fuel supply amount supplied to the fuel cell module so as to maintain the reduced rated output power.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: October 14, 2014
    Assignee: Toto Ltd.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8835069
    Abstract: A fuel cell system includes a fuel cell module having a solid-oxide fuel cell and a reformer adapted to perform steam reforming of a fuel gas supplied to the solid-oxide fuel cell, a water supplying unit and a control unit. The controller unit is adapted to control, at least during start up of the fuel cell system switching of a pulse pump from a stop state to a pumping state to start pumping of water, and to change the pulse pump to a normal control state after performing a start-operation-control which sets a feed flow rate of the pulse pump higher for a predetermined time than a feed flow rate of the water during the normal control state.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: September 16, 2014
    Assignee: Toto Ltd.
    Inventors: Toshiharu Ooe, Kiyotaka Nakano, Yoshiyuki Kawamura, Katsuhisa Tsuchiya, Tsukasa Shigezumi
  • Patent number: 8592093
    Abstract: A solid oxide fuel cell (SOFC) device comprises a fuel cell assembly, a reformer, a fuel gas supply device, a reforming air supply device, a power generating air supply device, an ignition device, a temperature detection devices for detecting the temperature caused by combustion of fuel gas, and a control section for sequentially conducting a combustion operation in which fuel gas is ignited by the ignition device and combusted using the power generating air, a POX operation, an ATR operation, and an SR combination, wherein the control section determines that a flameout has occurred when the amount by which the temperature caused by combustion of fuel gas and detected by the temperature detection device drops within a predetermined time is equal to or greater than a preset, predetermined temperature drop threshold, and the predetermined temperature drop threshold is set as a plurality of predetermined temperature drop thresholds in accordance with temperature bands caused by the combustion of fuel gas, the lo
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: November 26, 2013
    Assignee: Toto Ltd.
    Inventors: Katsuhisa Tsuchiya, Tsukasa Shigezumi, Toshiharu Ooe, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8546032
    Abstract: The fuel cell device has a control device for conducting, at the time of startup, a partial oxidation reforming reaction (POX) inside the reformer, then an auto-thermal reforming reaction (ATR) inside the reformer, then a steam reforming reaction (SR) inside the reformer; a water supply device is provided with a pump for intermittently supplying extremely small amounts of water to the reformer using pulsed control; the control device controls the fuel supply device, the reforming air supply device, and the water supply device to respectively supply target supply flow rates of fuel, reforming air, and water based on the outputs of various sensors; and, in the ATR region, the control device suppresses changes in the flow rate of fuel supplied by the fuel supply device during at least a predetermined interval following the supply of water by the pump.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: October 1, 2013
    Assignee: Toto Ltd.
    Inventors: Katsuhisa Tsuchiya, Toshiharu Ooe, Tsukasa Shigezumi, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8497044
    Abstract: To provide a solid oxide fuel cell device capable of stably increasing the temperature of a fuel cell units and smoothly starting electrical generation.
    Type: Grant
    Filed: May 27, 2010
    Date of Patent: July 30, 2013
    Assignee: Toto Ltd.
    Inventors: Katsuhisa Tsuchiya, Toshiharu Otsuka, Tsukasa Shigezumi, Toshiharu Ooe, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8492041
    Abstract: Provides a solid oxide fuel cell with which product life can be extended while a practical output power is maintained. The present invention is a solid oxide fuel cell, having a fuel cell module (2), a fuel supply device (38), an oxidant gas supply device (45), and a controller (110) for controlling the fuel supply amount; whereby the controller is furnished with a degradation determining circuit (110a) for determining degradation in a fuel cell module, and with a fuel correction circuit (110b) for correcting operating conditions based on a degradation determination; the fuel correction circuit can execute an increasing correction mode for increasing the fuel supply amount supplied to the fuel cell module so that rated output power is maintained, or can execute a decreasing correction mode for reducing rated output voltage so that the fuel supply amount is reduced; there is also a mode selection device (110c) for selecting correction modes.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 23, 2013
    Assignee: Toto Ltd.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8426074
    Abstract: A solid oxide fuel cell capable of extending the time period over which initial rated output power is maintained, while restraining increases in running cost. The present invention is a solid oxide fuel cell (1), having a fuel cell module (2) furnished with multiple fuel cell units, a fuel supply device (38), an oxidant gas supply device (45), and a controller (110) for controlling the amount of fuel supplied; the controller is furnished with a degradation determining circuit (110a) for determining degradation, and a fuel correction circuit (110b) for correcting the fuel supply amount based on the degradation determination; when it is determined that the fuel cell module has degraded, the fuel correction circuit executes a correction so that rated output power is maintained, and when the predetermined correction switching condition is satisfied, the fuel correction circuit executes a correction to reduce the fuel cell module rated output power.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: April 23, 2013
    Assignee: Toto Ltd.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Patent number: 8383411
    Abstract: A specimen processing system comprising: a plurality of measurement units for acquiring a reagent from each of corresponding reagent containers, and performing measurement of a specimen for a common measurement item by using the reagent; a conveyance mechanism for conveying specimens to the measurement units; a reagent information acquirer for acquiring reagent information related to the reagent stored in each of the reagent containers; a conveying destination determiner for determining a conveying destination of specimens based on the reagent information acquired by the reagent information acquirer; and a conveyance controller for controlling the conveyance mechanism to convey specimens based on the conveying destination determined by the conveying destination determiner, is disclosed. Specimen conveyance method is also disclosed.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: February 26, 2013
    Assignee: Sysmex Corporation
    Inventor: Yoshiyuki Kawamura
  • Patent number: 8302195
    Abstract: A sample analyzer comprising: a measuring unit for measuring a sample and outputting measurement data; and a measurement controller configured for carrying out operations comprising: obtaining analysis results of measurement data output from the measuring unit; detecting a malicious program; and restricting the output of the obtained analysis results when a malicious program has been detected, is disclosed. A sample analyzing method and a computer program product are also disclosed.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: October 30, 2012
    Assignee: Sysmex Corporation
    Inventor: Yoshiyuki Kawamura
  • Publication number: 20120028158
    Abstract: A solid oxide fuel cell is provided with which the further advance of degradation can be restrained relative to fuel cell units in which degradation has advanced. The present invention is a solid oxide fuel cell (1) which varies output power in response to a required generation amount, having a fuel cell module (2) furnished with multiple fuel cell units, a fuel supply device (38) for supplying fuel to the fuel cell module, an oxidant gas supply device (45) for supplying oxidant gas to the fuel cell module, and a controller (110) for changing the amount of fuel supplied from the fuel supply means in response to the required generation amount; wherein the controller reduces the rate of change in the fuel supply amount per unit time when the required generation amount changes subsequent to an estimate or determination that the fuel cell module has degraded.
    Type: Application
    Filed: March 31, 2010
    Publication date: February 2, 2012
    Applicant: TOTO LTD.
    Inventors: Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Tsukasa Shigezumi, Yoshiyuki Kawamura
  • Publication number: 20120028153
    Abstract: A solid oxide fuel cell capable of extending the time period over which initial rated output power is maintained, while restraining increases in running cost. The present invention is a solid oxide fuel cell (1), having a fuel cell module (2) furnished with multiple fuel cell units, a fuel supply device (38), an oxidant gas supply device (45), and a controller (110) for controlling the amount of fuel supplied; the controller is furnished with a degradation determining circuit (110a) for determining degradation, and a fuel correction circuit (110b) for correcting the fuel supply amount based on the degradation determination; when it is determined that the fuel cell module has degraded, the fuel correction circuit executes a correction so that rated output power is maintained, and when the predetermined correction switching condition is satisfied, the fuel correction circuit executes a correction to reduce the fuel cell module rated output power.
    Type: Application
    Filed: March 31, 2010
    Publication date: February 2, 2012
    Applicant: TOTO LTD.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Publication number: 20120021317
    Abstract: Provides a solid oxide fuel cell with which product life can be extended while a practical output power is maintained. The present invention is a solid oxide fuel cell, having a fuel cell module (2), a fuel supply device (38), an oxidant gas supply device (45), and a controller (110) for controlling the fuel supply amount; whereby the controller is furnished with a degradation determining circuit (110a) for determining degradation in a fuel cell module, and with a fuel correction circuit (110b) for correcting operating conditions based on a degradation determination; the fuel correction circuit can execute an increasing correction mode for increasing the fuel supply amount supplied to the fuel cell module so that rated output power is maintained, or can execute a decreasing correction mode for reducing rated output voltage so that the fuel supply amount is reduced; there is also a mode selection device (110c) for selecting correction modes.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 26, 2012
    Applicant: TOTO LTD.
    Inventors: Tsukasa Shigezumi, Toshiharu Ooe, Katsuhisa Tsuchiya, Kiyotaka Nakano, Yoshiyuki Kawamura
  • Publication number: 20120021319
    Abstract: The SOFC of the present invention has a plurality of individual solid oxide fuel cells (84) disposed within an generating chamber (10), a fuel supply unit (38) for supplying fuel to the individual solid oxide fuel cells, a temperature sensor (142) for measuring the temperature of the generating chamber (T1), and a control section (110) for changing the amount of fuel supplied in response to an amount of generation required based on control characteristics for supplying fuel, wherein the control section is furnished with a temperature band for monitoring purposes, having a minimum temperature value (Ta) and a maximum temperature value (Tb) for adaptive control, predetermined based on a minimum amount and maximum amount of rated electrical generation, and a maximum temperature value for adaptive control in response to anomalies, which is higher than the maximum temperature value (Tb) of the adaptive control temperature band, and a minimum temperature value for adaptive control in response to anomalies, which is
    Type: Application
    Filed: March 31, 2010
    Publication date: January 26, 2012
    Applicant: TOTO LTD.
    Inventors: Katsuhisa Tsuchiya, Kiyotaka Nakano, Tsukasa Shigezumi, Toshiharu Ooe, Yoshiyuki Kawamura