Patents by Inventor Masataka Nakano
Masataka Nakano 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).
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Publication number: 20240384917Abstract: An object of the present disclosure is to optimize the injection amount of the CA gas to be injected into a transportation means such as a truck, to maintain the freshness of perishable products during transportation above a predetermined level. Accordingly, the present disclosure discloses a gas amount estimation apparatus including a control unit, wherein the control unit is configured to set, as input data, information relating to a type and an amount of a perishable product stored in a CA refrigerator, and estimate a supply amount or a processing amount of CA gas with respect to the CA refrigerator in a predetermined time and set the estimated supply amount or the estimated processing amount as output data. Thus, the freshness of the perishable products during transportation can be maintained above a predetermined level.Type: ApplicationFiled: September 27, 2022Publication date: November 21, 2024Inventors: Masataka NAKANO, Kiichiro SATO, Motomi NISHIMOTO, Hidenori MATSUI
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Publication number: 20240044796Abstract: A determination device includes an irradiator, an extractor, an imager, and a determiner, The irradiator irradiates an object including a food or a plant with a light. The extractor extracts a predetermined fluorescence emission having a predetermined wavelength out of fluorescence emissions generated from a surface of the object irradiated with the light. The imager captures a fluorescence image indicating the predetermined fluorescence emission. The determiner determines a state of the object based on an index indicating a fluorescence intensity of the fluorescence image.Type: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Inventors: Taichi KOBAYASHI, Kentaro SAKAI, Kenji HIYOSHI, Tomoko MATSUMOTO, Yoshinori GEJIMA, Motomi NISHIMOTO, Kiichiro SATO, Masataka NAKANO, Takashi NAMIKAWA, Shotaro MAEDA, Shogo KAWAI, Yuri YANAGI
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Publication number: 20230367278Abstract: A selection apparatus according to an aspect of the disclosure includes a calculation unit configured to calculate, based on data correlated with power consumption of portable cold-energy equipment and data related to a set temperature of the cold-energy equipment, an amount of power consumption expected during transportation of the cold-energy equipment to a predetermined destination; and a selection unit configured to select, based on the amount of power consumption calculated by the calculator, a rechargeable battery to be mounted on the cold-energy equipment.Type: ApplicationFiled: September 2, 2021Publication date: November 16, 2023Inventors: Masataka NAKANO, Kiichirou SATOU, Motomi NISHIMOTO, Hidenori MATSUI
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Publication number: 20230225343Abstract: A ripening controldevice includes a holding unit, a desorption unit, and a supply unit. The holding unit holds a ripening component that is generated from an object and ripens the object. The desorption unit desorbs the ripening component held in the holding unit from the holding unit. The supply unit supplies the ripening component desorbed by the desorption unit into the target spaces (S).Type: ApplicationFiled: March 24, 2023Publication date: July 20, 2023Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kiichirou SATOU, Motomi NISHIMOTO, Masataka NAKANO, Shouichi TANNO, Hidenori MATSUI
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Patent number: 11540448Abstract: A CA system includes a gas supply device which performs a gas supply operation of supplying nitrogen-enriched air into a container, and a controller which performs the gas supply operation so that the inside air has a desired composition. The controller performs carbon dioxide priority control in which the controller performs the gas supply operation if an oxygen concentration of the inside air is equal to or higher than a ceiling concentration higher than a target oxygen concentration, stops the gas supply operation if a carbon dioxide concentration of the inside air is lowered to a critical concentration lower than a target carbon dioxide concentration, and restarts the gas supply operation if the carbon dioxide concentration of the inside air has reached a restart concentration higher than the target carbon dioxide concentration through breathing of the plants.Type: GrantFiled: February 11, 2021Date of Patent: January 3, 2023Assignee: Daikin Industries, Ltd.Inventors: Maho Takayama, Noritaka Kamei, Yuusuke Fujimoto, Masataka Nakano
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Publication number: 20220185064Abstract: A quality determination apparatus includes a state detector and a main processing unit. The state detector detects a state index. The state index is an index indicating a state of a target article contained in a storage space where an internal environment is controlled. The main processing unit performs a determination operation. The determination operation is an operation of determining whether a sign condition indicating a sign of degradation of the target article is met based on the state index detected by the state detector.Type: ApplicationFiled: March 4, 2022Publication date: June 16, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Hidenori MATSUI, Naohiro TANAKA, Shouichi TANNO, Masataka NAKANO, Motomi NISHIMOTO, Kiichirou SATOU
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Publication number: 20220042730Abstract: An abnormality determination device (60) includes a calculator (66) calculating a deviation degree of a compressor (11) from a normal state based on data related to operation of a refrigeration apparatus (1) and a determination unit (62) determining whether the compressor (11) has an abnormality or estimating an abnormality occurrence time based on a calculation result of the calculator (66). The calculator (66) calculates a first index value from data related to operation of the refrigeration apparatus (1) in a first period and a second index value from data related to operation of the refrigeration apparatus (1) in a second period that differs in length from the first period. The calculator (66) calculates the deviation degree of the compressor (11) from the normal state based on the first index value and the second index value.Type: ApplicationFiled: September 26, 2019Publication date: February 10, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kiichirou SATOU, Masataka NAKANO
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Publication number: 20220034568Abstract: A refrigerant leakage determination device includes a calculator and a determination unit. The calculator calculates a deviation degree of a refrigerant circuit from a normal state based on data related to operation of a refrigeration apparatus. The determination unit determines refrigerant leakage or estimates refrigerant leakage occurrence time based on a calculation result of the calculator. The calculator calculates first and second index values respectively from data related to operation of the refrigeration apparatus in a first period and a second period that differs in length from the first period and calculates the deviation degree of the refrigerant circuit from the normal state based on the first and second index values. The determination unit determines refrigerant leakage or estimates refrigerant leakage occurrence time based on the deviation degree of the refrigerant circuit from the normal state.Type: ApplicationFiled: September 26, 2019Publication date: February 3, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kiichirou SATOU, Masataka NAKANO
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Publication number: 20210161075Abstract: A CA system includes a gas supply device which performs a gas supply operation of supplying nitrogen-enriched air into a container, and a controller which performs the gas supply operation so that the inside air has a desired composition. The controller performs carbon dioxide priority control in which the controller performs the gas supply operation if an oxygen concentration of the inside air is equal to or higher than a ceiling concentration higher than a target oxygen concentration, stops the gas supply operation if a carbon dioxide concentration of the inside air is lowered to a critical concentration lower than a target carbon dioxide concentration, and restarts the gas supply operation if the carbon dioxide concentration of the inside air has reached a restart concentration higher than the target carbon dioxide concentration through breathing of the plants.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Maho TAKAYAMA, Noritaka KAMEI, Yuusuke FUJIMOTO, Masataka NAKANO
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Patent number: 10945380Abstract: A CA system includes a gas supply device which performs a gas supply operation of supplying nitrogen-enriched air into a container, and a controller which performs the gas supply operation so that the inside air has a desired composition. The controller performs carbon dioxide priority control in which the controller performs the gas supply operation if an oxygen concentration of the inside air is equal to or higher than a ceiling concentration higher than a target oxygen concentration, stops the gas supply operation if a carbon dioxide concentration of the inside air is lowered to a critical concentration lower than a target carbon dioxide concentration, and restarts the gas supply operation if the carbon dioxide concentration of the inside air has reached a restart concentration higher than the target carbon dioxide concentration through breathing of the plants.Type: GrantFiled: April 13, 2017Date of Patent: March 16, 2021Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Maho Takayama, Noritaka Kamei, Yuusuke Fujimoto, Masataka Nakano
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Patent number: 10295243Abstract: A gas supply device is configured such that its supply state is switchable between a first supply state supplying, as supply air, nitrogen-enriched air produced from outside air into a containe, and a second supply state in which the gas supply device takes outside air therein and supplies, as supply air, the outside air into the container. A CA system is provided with a branch pipe which guides at least part of the supply air flowing through a supply passage to an oxygen sensor, and an open/close valve which opens/closes the branch pipe. An outside air calibration operation is performed in which the open/close valve is opened in the second supply state to guide the least part of the outside air flowing through the supply passage to the oxygen sensor, thereby calibrating the oxygen sensor using the outside air.Type: GrantFiled: January 15, 2016Date of Patent: May 21, 2019Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kazuma Yokohara, Masataka Nakano, Noritaka Kamei, Naohiro Tanaka, Atsushi Ozato, Yuusuke Fujimoto
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Publication number: 20190141903Abstract: A CA system includes a gas supply device which performs a gas supply operation of supplying nitrogen-enriched air into a container, and a controller which performs the gas supply operation so that the inside air has a desired composition. The controller performs carbon dioxide priority control in which the controller performs the gas supply operation if an oxygen concentration of the inside air is equal to or higher than a ceiling concentration higher than a target oxygen concentration, stops the gas supply operation if a carbon dioxide concentration of the inside air is lowered to a critical concentration lower than a target carbon dioxide concentration, and restarts the gas supply operation if the carbon dioxide concentration of the inside air has reached a restart concentration higher than the target carbon dioxide concentration through breathing of the plants.Type: ApplicationFiled: April 13, 2017Publication date: May 16, 2019Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Maho TAKAYAMA, Noritaka KAMEI, Yuusuke FUJIMOTO, Masataka NAKANO
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Patent number: 9907316Abstract: Disclosed is a gas supply device provided for a container in which a breathing plant is housed. The device supplies nitrogen-enriched air into the container. The device is provided with a malfunction diagnosis section which checks whether each of components of the device works properly or not and specifies a malfunctioning portion if an oxygen concentration of the nitrogen-enriched air does not fall to or below a predetermined concentration. The malfunction diagnosis section checks whether each of an air pump, a motor, and a switching mechanism works properly or not, and determines that an adsorbent is not working properly when it is determined that all of the air pump, the motor, and the switching mechanism are working properly.Type: GrantFiled: February 4, 2016Date of Patent: March 6, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kazuma Yokohara, Masataka Nakano, Noritaka Kamei, Naohiro Tanaka, Atsushi Ozato, Yuusuke Fujimoto
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Publication number: 20180038625Abstract: A gas supply device is configured such that its supply state is switchable between a first supply state supplying, as supply air, nitrogen-enriched air produced from outside air into a containe, and a second supply state in which the gas supply device takes outside air therein and supplies, as supply air, the outside air into the container. A CA system is provided with a branch pipe which guides at least part of the supply air flowing through a supply passage to an oxygen sensor, and an open/close valve which opens/closes the branch pipe. An outside air calibration operation is performed in which the open/close valve is opened in the second supply state to guide the least part of the outside air flowing through the supply passage to the oxygen sensor, thereby calibrating the oxygen sensor using the outside air.Type: ApplicationFiled: January 15, 2016Publication date: February 8, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kazuma YOKOHARA, Masataka NAKANO, Noritaka KAMEI, Naohiro TANAKA, Atsushi OZATO, Yuusuke FUJIMOTO
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Publication number: 20180020687Abstract: Disclosed is a gas supply device provided for a container in which a breathing plant is housed. The device supplies nitrogen-enriched air into the container. The device is provided with a malfunction diagnosis section which checks whether each of components of the device works properly or not and specifies a malfunctioning portion if an oxygen concentration of the nitrogen-enriched air does not fall to or below a predetermined concentration. The malfunction diagnosis section checks whether each of an air pump, a motor, and a switching mechanism works properly or not, and determines that an adsorbent is not working properly when it is determined that all of the air pump, the motor, and the switching mechanism are working properly.Type: ApplicationFiled: February 4, 2016Publication date: January 25, 2018Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kazuma YOKOHARA, Masataka NAKANO, Noritaka KAMEI, Naohiro TANAKA, Atsushi OZATO, Yuusuke FUJIMOTO
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Patent number: 9872508Abstract: Disclosed is a gas supply device provided for a container in which a breathing plant is housed. The device supplies nitrogen-enriched air into the container. The device is provided with a malfunction diagnosis section which checks whether each of components of the device works properly or not and specifies a malfunctioning portion if an oxygen concentration of the nitrogen-enriched air does not fall to or below a predetermined concentration. The malfunction diagnosis section checks whether each of an air pump, a motor, and a switching mechanism works properly or not, and determines that an adsorbent is not working properly when it is determined that all of the air pump, the motor, and the switching mechanism are working properly.Type: GrantFiled: February 4, 2016Date of Patent: January 23, 2018Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Kazuma Yokohara, Masataka Nakano, Noritaka Kamei, Naohiro Tanaka, Atsushi Ozato, Yuusuke Fujimoto
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Patent number: 9714781Abstract: According to the present disclosure, in a container refrigeration apparatus configured to cool the inside of a container, the accuracy of determination of occurrence of a lock abnormality and a connection abnormality of a motor is increased, and erroneous detection of the motor abnormalities is reduced or prevented. The container refrigeration apparatus of the present disclosure includes an abnormality determinator configured to compare a value for current flowing through an in-compartment motor with a preset current threshold to determine occurrence of the motor abnormalities of the in-compartment motor, and a threshold changer configured to change the current threshold of the abnormality determinator in accordance with a supply voltage for each supply frequency of a power supply configured to supply power to the in-compartment motor.Type: GrantFiled: July 25, 2012Date of Patent: July 25, 2017Assignee: Daikin Industries, Ltd.Inventors: Akitoshi Ueno, Kiichirou Satou, Masataka Nakano
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Patent number: 9446661Abstract: To enable the effective supply of fuel in a low remaining fuel condition, even in a saddle-ride vehicle with a requirement for an increased fuel tank capacity being provided within a limited amount of space. The saddle-ride vehicle includes an engine having a cylinder disposed on a crankcase; an intake system component disposed at the rear of the cylinder for sucking air into the engine; and a fuel tank disposed above the engine for storing fuel. The saddle-ride type vehicle includes a fuel suction port in a side bottom plate portion of the fuel tank for feeding fuel to the intake system component. The saddle-ride vehicle has a sub-chamber having a wall that surrounds the fuel suction port and the sub-chamber includes a fuel flow opening toward the vehicle rear.Type: GrantFiled: December 12, 2012Date of Patent: September 20, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Sunao Kawano, Masataka Nakano, Ikuo Hara, Takeshi Shimura, Junji Higashiyama
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Patent number: 8788854Abstract: A microcontroller includes a first voltage detector that detects whether a power supply voltage is equal to or lower than a first voltage value to generate a first signal, a second voltage detector that detects whether the power supply voltage is equal to or lower than a second voltage value to generate a second signal, the second voltage value being lower than the first voltage value, a real-time clock that includes a memory and a clock counter responsive to a clock signal, and a Central Processing Unit (CPU) that receives the first signal. The first voltage detector, the second voltage detector, the real-time clock and the CPU are formed on a single chip. The clock counter receives the second signal. The memory stores a first value according to a second signal, and stores a second value according to a setup of time information to the clock counter.Type: GrantFiled: September 10, 2012Date of Patent: July 22, 2014Assignee: Renesas Electronics CorporationInventor: Masataka Nakano
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Publication number: 20140150482Abstract: According to the present disclosure, in a container refrigeration apparatus configured to cool the inside of a container, the accuracy of determination of occurrence of a lock abnormality and a connection abnormality of a motor is increased, and erroneous detection of the motor abnormalities is reduced or prevented. The container refrigeration apparatus of the present disclosure includes an abnormality determinator configured to compare a value for current flowing through an in-compartment motor with a preset current threshold to determine occurrence of the motor abnormalities of the in-compartment motor, and a threshold changer configured to change the current threshold of the abnormality determinator in accordance with a supply voltage for each supply frequency of a power supply configured to supply power to the in-compartment motor.Type: ApplicationFiled: July 25, 2012Publication date: June 5, 2014Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Akitoshi Ueno, Kiichirou Satou, Masataka Nakano