Patents by Inventor Kazuhiro Mimura

Kazuhiro Mimura 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: 20230384808
    Abstract: A temperature control system includes: a circulation channel which includes a temperature adjustment target and through which a circulation fluid that adjusts a temperature of the temperature adjustment target flows; a temperature adjuster that is arranged in the circulation channel and that adjusts a temperature of the circulation fluid supplied to the temperature adjustment target; a first temperature adjustment unit that is connected to the circulation channel via a first supply channel and that delivers a first fluid having a first temperature; a second temperature adjustment unit that is connected to the circulation channel via a second supply channel and that delivers a second fluid having a second temperature higher than the first temperature; a first valve arranged in the first supply channel; and a second valve arranged in the second supply channel.
    Type: Application
    Filed: October 13, 2021
    Publication date: November 30, 2023
    Inventors: Kazuhiro MIMURA, Atsushi KOBAYASHI, Hideaki OHKUBO
  • Patent number: 11797033
    Abstract: To control the temperature of a fluid with high accuracy, a temperature control system is equipped with: a circulation channel including a temperature control target and a tank containing a fluid adjusted to a specified temperature range including a target temperature of the temperature control target; and a first temperature controller that is arranged between the tank and the temperature control target in the circulation channel and that adjusts the temperature of the fluid to be supplied to the temperature control target.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 24, 2023
    Assignee: KELK Ltd.
    Inventors: Atsushi Kobayashi, Hideaki Ohkubo, Kazuhiro Mimura, Toru Suzuki
  • Patent number: 11669113
    Abstract: A temperature control device includes a smoother including a smoothing channel through which fluid from a first inlet flows, and a first outlet from which the fluid flowed through the smoothing channel flows out, the smoother making a temperature fluctuation amount of the fluid in the first outlet smaller than that in the first inlet, a thermoregulator including a second inlet into which the fluid from the first outlet flows, a thermoregulating channel through which the fluid from the second inlet flows, a thermoregulating unit regulating a temperature of the fluid flowing through the thermoregulating channel, and a second outlet from which the fluid flowed through the thermoregulating channel flows out, calculating a temperature regulation amount of the thermoregulating unit, based on temperature of the fluid in the smoothing channel, and calculating the temperature regulation amount, based on temperature of the fluid at a position downstream of the second outlet.
    Type: Grant
    Filed: November 15, 2019
    Date of Patent: June 6, 2023
    Assignee: KELK Ltd.
    Inventors: Kazuhiro Mimura, Atsushi Kobayashi
  • Publication number: 20230147288
    Abstract: A temperature control system includes: first adjusting the temperature of fluid in a first portion the fluid having a first temperature determined based on a second temperature higher than the first temperature or the second temperature; second adjusting the temperature of the fluid supplied to a target at a second portion between the first portion and the target; first detecting the temperature of first fluid supplied from the first to second portion; second detecting the temperature of the fluid or the target at a predetermined position between an outlet of the second portion and an inlet of the first portion; controlling the first adjusting based on the first detected value such that the temperature of the first fluid becomes a first temperature; and controlling the second adjusting based on a the second detected such that the temperature of the fluid becomes a second temperature at the predetermined position.
    Type: Application
    Filed: February 12, 2021
    Publication date: May 11, 2023
    Inventor: Kazuhiro MIMURA
  • Publication number: 20220359242
    Abstract: A temperature control system includes a circulation channel including a temperature control target to be temperature-controlled via a fluid, a heater capable of heating the fluid, and a cooler capable of cooling the fluid, a bypass channel connected to each of a first portion of the circulation channel located upstream of the cooler and a second portion of the circulation channel located downstream of the cooler to bypass the cooler, a valve device capable of controlling a flow rate of the fluid flowing through the cooler and a flow rate of the fluid flowing through the bypass channel individually, and a control device. The control device includes a valve controller configured to control the valve device to make a temperature of the fluid at the second portion equal to a predetermined temperature.
    Type: Application
    Filed: May 28, 2020
    Publication date: November 10, 2022
    Inventors: Atsushi KOBAYASHI, Kazuhiro MIMURA
  • Patent number: 11387119
    Abstract: A fluid heating device includes: a tank to store a fluid; a pump to deliver the fluid stored in the tank; a heater to heat the delivered fluid to a predetermined temperature; a return pipe to return the heated fluid to the tank; a fluid supply valve to supply an unheated fluid into the tank; a fluid discharge valve to discharge the heated fluid from the tank; a temperature sensor to detect a temperature of the heated fluid; and a temperature controller to control an opening degree of each of the fluid supply valve and the fluid discharge valve to control the temperature of the fluid stored in the tank. The temperature controller includes: a discharge opening-degree controller-to control the opening degree of the fluid discharge valve; and a supply opening-degree controller to control the opening degree of the fluid supply valve.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: July 12, 2022
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura
  • Publication number: 20220100215
    Abstract: A temperature control device includes a smoother including a smoothing channel through which fluid from a first inlet flows, and a first outlet from which the fluid flowed through the smoothing channel flows out, the smoother making a temperature fluctuation amount of the fluid in the first outlet smaller than that in the first inlet, a thermoregulator including a second inlet into which the fluid from the first outlet flows, a thermoregulating channel through which the fluid from the second inlet flows, a thermoregulating unit regulating a temperature of the fluid flowing through the thermoregulating channel, and a second outlet from which the fluid flowed through the thermoregulating channel flows out, calculating a temperature regulation amount of the thermoregulating unit, based on temperature of the fluid in the smoothing channel, and calculating the temperature regulation amount, based on temperature of the fluid at a position downstream of the second outlet.
    Type: Application
    Filed: November 15, 2019
    Publication date: March 31, 2022
    Inventors: Kazuhiro MIMURA, Atsushi KOBAYASHI
  • Publication number: 20220011793
    Abstract: To control the temperature of a fluid with high accuracy, a temperature control system is equipped with: a circulation channel including a temperature control target and a tank containing a fluid adjusted to a specified temperature range including a target temperature of the temperature control target; and a first temperature controller that is arranged between the tank and the temperature control target in the circulation channel and that adjusts the temperature of the fluid to be supplied to the temperature control target.
    Type: Application
    Filed: December 19, 2019
    Publication date: January 13, 2022
    Inventors: Atsushi KOBAYASHI, Hideaki OHKUBO, Kazuhiro MIMURA, Toru SUZUKI
  • Patent number: 11063573
    Abstract: A quartz crystal resonator that includes a substrate including a vibration portion, a frame portion that surrounds the vibration portion, and first to fourth coupling portions that couple the vibration portion and the frame portion to each other; and first and second excitation electrodes. An intersecting point of diagonal lines of a quadrangle formed by first to fourth connection portions is located on the positive side of the z axis relative to the x axis.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: July 13, 2021
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kazuhiro Mimura, Tadashi Yoda, Koki Sai
  • Publication number: 20210076457
    Abstract: A liquid heating device includes a circulation flow path that is connected to a branch flow path through which a first liquid supplied to an object flows, a heating device that is disposed in the circulation flow path and heats the first liquid flowing through the circulation flow path, and a cooling device that cools the first liquid flowing through the circulation flow path in a state where supply of the first liquid to the object is stopped.
    Type: Application
    Filed: February 4, 2019
    Publication date: March 11, 2021
    Inventor: Kazuhiro MIMURA
  • Publication number: 20210043470
    Abstract: A fluid heating device includes: a tank to store a fluid; a pump to deliver the fluid stored in the tank; a heater to heat the delivered fluid to a predetermined temperature; a return pipe to return the heated fluid to the tank; a fluid supply valve to supply an unheated fluid into the tank; a fluid discharge valve to discharge the heated fluid from the tank; a temperature sensor to detect a temperature of the heated fluid; and a temperature controller to control an opening degree of each of the fluid supply valve and the fluid discharge valve to control the temperature of the fluid stored in the tank. The temperature controller includes: a discharge opening-degree controller-to control the opening degree of the fluid discharge valve; and a supply opening-degree controller to control the opening degree of the fluid supply valve.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 11, 2021
    Inventor: Kazuhiro Mimura
  • Patent number: 10409303
    Abstract: A manipulated variable calculator having a plurality of control loops and configured to calculate manipulated variables to be respectively given to a plurality of temperature adjusters includes: a reference model output generator configured to generate a reference model that is a response output until reaching a temperature setpoint when, in the plurality of control loops, a manipulated variable of a control loop having the slowest response speed is defined as 100%; a simulator configured to sequentially search for a switching time to determine a manipulated variable pattern; a reference model configured to generate a reference model output based on the searched switching time; and a control switching unit configured to switch to a feed-back control using an error between the reference model outlet and the temperature setpoint when the reference model outlet reaches a predetermined time or a predetermined temperature after the reference model outlet starts.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: September 10, 2019
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura
  • Patent number: 10332764
    Abstract: A plurality of temperature adjusters each independently include a control loop. A manipulated variable calculator is configured to give manipulated variables to the respective temperature adjusters and includes a reference model output generator configured to provide a reference model as a response output for reaching a temperature setpoint when a first control loop having a slowest response speed among the control loops is defined to have a 100% manipulated variable. The reference model output generator includes: a simulator configured to determine a manipulated variable pattern by conducting successive search of a switching time; and a reference model obtained from a response in which, among the plurality of control loops, the first control loop having the slowest response speed is defined to have the 100% manipulated variable, and the rest of the plurality of control loops are controlled to follow the first control loop.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: June 25, 2019
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura
  • Patent number: 10325788
    Abstract: A manipulated variable calculator having a plurality of control loops and configured to calculate manipulated variables to be respectively given to a plurality of temperature adjusters includes: a reference model output generator configured to generate a reference model that generates a response output until reaching a temperature setpoint when, in the plurality of control loops, a manipulated variable of a control loop having the slowest response speed is defined as 100%; a simulator configured to sequentially search for a switching time to determine a manipulated variable pattern; a reference model configured to generate a reference model output based on the searched switching time; and a reference model selecting unit configured to select the reference model depending on a heating responsiveness and a cooling responsiveness of the temperature adjusters.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: June 18, 2019
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura
  • Publication number: 20190109577
    Abstract: A quartz crystal resonator that includes a substrate including a vibration portion, a frame portion that surrounds the vibration portion, and first to fourth coupling portions that couple the vibration portion and the frame portion to each other; and first and second excitation electrodes. An intersecting point of diagonal lines of a quadrangle formed by first to fourth connection portions is located on the positive side of the z axis relative to the x axis.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Inventors: Kazuhiro MIMURA, Tadashi YODA, Koki SAI
  • Patent number: 10157761
    Abstract: A temperature controller for a semiconductor wafer is configured to perform a temperature control on a plurality of temperature adjusters including a reference temperature adjuster to perform a temperature adjustment of the semiconductor wafer, in which a manipulated variable calculator to give a manipulated variable to a master loop and a slave loop includes a master-slave switching unit configured to switch between the master loop and the slave loop and a master-slave cancellation unit configured to cancel a setting of the master loop and the slave loop when a temperature setpoint of the slave loop is set to have a temperature gradient against a temperature setpoint of the master loop.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: December 18, 2018
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura
  • Patent number: 9985599
    Abstract: A method capable of manufacturing a quartz vibrator by disposing a metallic bonding material on one main surface of a ceramic plate having a quartz vibrating element mounted thereon. Thereafter, the bonding of a cap having a recess to the ceramic plate by disposing the cap on the one main surface of the ceramic plate so that an open side of the recess faces the ceramic plate, melting the bonding material, and then allowing the bonding material to set, is carried out.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: May 29, 2018
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Yoshifumi Saito, Hiroaki Kaida, Manabu Ibayashi, Yuichiro Nagamine, Katsuma Moroishi, Takuya Kono, Kazuhiro Mimura
  • Publication number: 20180053668
    Abstract: A temperature controller for a semiconductor wafer is configured to perform a temperature control on a plurality of temperature adjusters including a reference temperature adjuster to perform a temperature adjustment of the semiconductor wafer, in which a manipulated variable calculator to give a manipulated variable to a master loop and a slave loop includes a master-slave switching unit configured to switch between the master loop and the slave loop and a master-slave cancellation unit configured to cancel a setting of the master loop and the slave loop when a temperature setpoint of the slave loop is set to have a temperature gradient against a temperature setpoint of the master loop.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 22, 2018
    Inventor: Kazuhiro Mimura
  • Publication number: 20180053669
    Abstract: A plurality of temperature adjusters each independently include a control loop. A manipulated variable calculator is configured to give manipulated variables to the respective temperature adjusters and includes a reference model output generator configured to provide a reference model as a response output for reaching a temperature setpoint when a first control loop having a slowest response speed among the control loops is defined to have a 100% manipulated variable. The reference model output generator includes: a simulator configured to determine a manipulated variable pattern by conducting successive search of a switching time; and a reference model obtained from a response in which, among the plurality of control loops, the first control loop having the slowest response speed is defined to have the 100% manipulated variable, and the rest of the plurality of control loops are controlled to follow the first control loop.
    Type: Application
    Filed: August 17, 2016
    Publication date: February 22, 2018
    Inventor: Kazuhiro Mimura
  • Patent number: 9798308
    Abstract: A temperature controller that performs a temperature control on a plurality of temperature adjusters including a reference temperature adjuster to adjust a temperature of a semiconductor wafer includes a setpoint setting section that: sets a temperature detected by a master temperature detector as a control setpoint for a reference one of the temperature adjusters of a master loop, until a temporary setpoint below an actual control setpoint preset as a desired temperature of the semiconductor wafer is reached; and sets the actual control setpoint as the control setpoint for the master loop after the temporary setpoint is reached.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: October 24, 2017
    Assignee: KELK Ltd.
    Inventor: Kazuhiro Mimura