Patents by Inventor Kenji Ueda

Kenji Ueda 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: 20240191058
    Abstract: To provide a cellulose ester composition having good fluidity and being capable of providing a molded article that can suppress occurrence of a water spot. A cellulose ester composition containing: (A) 100 parts by mass of a cellulose ester, (B) from 19 to 45 parts by mass of a citrate-based compound having a solubility in water of 2 g/100 mL or less, and (C) from 1 to 9 parts by mass of an adipate-based compound.
    Type: Application
    Filed: April 4, 2022
    Publication date: June 13, 2024
    Applicant: Daicel Miraizu Ltd.
    Inventors: Takayuki OGIHARA, Kenji UEDA, Akihiko KUMAGAE
  • Patent number: 11814090
    Abstract: A railroad system includes a plurality of trains and an operation management device. The operation management device manages operation of a subject train that is at least one of the plurality of trains. The operation management device includes a calculation unit and a communication unit. The calculation unit calculates a target arrival time at which the subject train is to arrive at a next station, upon occurrence of an arrival delay of a preceding train at the next station, the preceding train being a train among the plurality of trains and running ahead of the subject train; and, upon arrival of the preceding train at the next station, calculates a target arrival time at which the subject train is to arrive at the next station. The communication unit transmits, to the subject train, information on the target arrival time calculated by the calculation unit.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: November 14, 2023
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Maho Fujihara, Daisuke Tateishi, Hideo Nakata, Shota Shimayoshi, Atsushi Takami, Kenji Ueda
  • Publication number: 20230311964
    Abstract: A railroad system includes a plurality of trains and an operation management device. The operation management device manages operation of a subject train that is at least one of the plurality of trains. The operation management device includes a calculation unit and a communication unit. The calculation unit calculates a target arrival time at which the subject train is to arrive at a next station, upon occurrence of an arrival delay of a preceding train at the next station, the preceding train being a train among the plurality of trains and running ahead of the subject train; and, upon arrival of the preceding train at the next station, calculates a target arrival time at which the subject train is to arrive at the next station. The communication unit transmits, to the subject train, information on the target arrival time calculated by the calculation unit.
    Type: Application
    Filed: November 4, 2020
    Publication date: October 5, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Maho FUJIHARA, Daisuke TATEISHI, Hideo NAKATA, Shota SHIMAYOSHI, Atsushi TAKAMI, Kenji UEDA
  • Patent number: 11774146
    Abstract: Provided are a turbo compressor and a centrifugal chiller comprising the same with which the length of a shaft in an axial direction can be shortened, rotational shake accompanying rotation of the shaft is suppressed, and a device can be made small.
    Type: Grant
    Filed: March 19, 2019
    Date of Patent: October 3, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Yasushi Hasegawa, Kenji Ueda, Shintaro Omura
  • Publication number: 20230059191
    Abstract: To provide a flame retardant resin composition having excellent flame retardancy and excellent resin physical properties. There is provided a flame retardant resin composition, including: an aromatic polycarbonate resin; an inorganic filler; a phosphate ester flame retardant; an organic sulfonic acid flame retardant; a drip preventing agent; and a polyorganosiloxane-containing graft copolymer, in which a content of the aromatic polycarbonate resin is 40 to 95 pts·mass to 5 to 60 pts·mass of the inorganic filler, and a content of the phosphate ester flame retardant, a content of the organic sulfonic acid flame retardant, a content of the drip preventing agent, and a content of the polyorganosiloxane-containing graft copolymer are respectively 1 to 30 pts·mass, 0.01 to 2.5 pts·mass, 0.05 to 1.5 pts·mass, and 0 to 10 pts·mass to the total 100 pts·mass of the aromatic polycarbonate resin and the inorganic filler.
    Type: Application
    Filed: October 17, 2022
    Publication date: February 23, 2023
    Applicant: Sony Group Corporation
    Inventors: Takahiro Ohe, Yasuhito Inagaki, Akito Kuriyama, Kenji Ueda, Kohei Shimizu
  • Patent number: 11584168
    Abstract: Provided is a tire provided with a mark capable of reducing the air resistance during tire rotation while maintaining good visibility. A tire is provided with a mark on a tire side portion. The mark includes a first mark located on an outer side in a tire radial direction, and a second mark located inward of the first mark in the tire radial direction. Each of the first mark and the second mark includes a recess that is recessed from a side profile surface of the tire side portion. A depth of the recess of the first mark from the side profile surface is smaller than a depth of the recess of the second mark from the side profile surface.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: February 21, 2023
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Ryo Oba, Kenji Ueda, Masatomo Nakamura, Koji Hayashi, Masaki Terashima, Masahiro Nagase, Masahiro Tatsuta, Junya Tamai, Masaya Ito
  • Publication number: 20220403161
    Abstract: To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts·mass to 100 pts·mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 22, 2022
    Applicant: Sony Group Corporation
    Inventors: Akito Kuriyama, Yasuhito Inagaki, Takahiro Ohe, Kenji Ueda, Kohei Shimizu
  • Patent number: 11492486
    Abstract: To provide a flame retardant resin composition having excellent flame retardancy and excellent resin physical properties. There is provided a flame retardant resin composition, including: an aromatic polycarbonate resin; an inorganic filler; a phosphate ester flame retardant; an organic sulfonic acid flame retardant; a drip preventing agent; and a polyorganosiloxane-containing graft copolymer, in which a content of the aromatic polycarbonate resin is 40 to 95 pts.mass to 5 to 60 pts.mass of the inorganic filler, and a content of the phosphate ester flame retardant, a content of the organic sulfonic acid flame retardant, a content of the drip preventing agent, and a content of the polyorganosiloxane-containing graft copolymer are respectively 1 to 30 pts.mass, 0.01 to 2.5 pts.mass, 0.05 to 1.5 pts.mass, and 0 to 10 pts.mass to the total 100 pts.mass of the aromatic polycarbonate resin and the inorganic filler.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: November 8, 2022
    Assignee: Sony Corporation
    Inventors: Takahiro Ohe, Yasuhito Inagaki, Akito Kuriyama, Kenji Ueda, Kohei Shimizu
  • Patent number: 11441821
    Abstract: It is an object of the present invention to provide a heat pump that can use, as a refrigerant, a substance with which a geometric isomer exists, and a method for designing the same. The present invention is a method for designing a heat pump (1) whose closed circuit configured by connecting a compressor (2), a condenser (3), an expansion valve (4), and an evaporator (5) in this order is filled with a refrigerant containing a refrigerant substance with which a geometric isomer may exist, the method including obtaining an upper limit of stable temperature at which isomerization of the refrigerant substance does not proceed, and setting an upper limit usage temperature of the heat pump (1) so as not to exceed the upper limit of the stable temperature.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: September 13, 2022
    Assignees: Mitsubishi Heavy Industries Thermal System, Ltd., Central Glass Co., Ltd.
    Inventors: Ryosuke Suemitsu, Kenji Ueda, Yasushi Hasegawa, Kazuki Wajima, Yoshinori Akamatsu, Fuyuhiko Sakyu, Kanako Osafune
  • Patent number: 11434364
    Abstract: To provide a transparent resin composition having excellent optical characteristics, particularly, excellent optical characteristics under high temperature and high humidity. There is provided a transparent resin composition, including: an aromatic polycarbonate resin; and a water-insoluble organic sulfonic acid and/or a metal salt thereof, in which a content of the water-insoluble organic sulfonic acid and/or the metal salt thereof is 0.01 to 3.0 pts·mass to 100 pts·mass of the aromatic polycarbonate resin, and a dissolved amount of the water-insoluble organic sulfonic acid and/or the metal salt thereof is not more than 0.5 g to 100 g of pure water.
    Type: Grant
    Filed: July 26, 2017
    Date of Patent: September 6, 2022
    Assignee: Sony Corporation
    Inventors: Akito Kuriyama, Yasuhito Inagaki, Takahiro Ohe, Kenji Ueda, Kohei Shimizu
  • Patent number: 11394238
    Abstract: The present invention includes a hunting determination unit configured to determine whether hunting has occurred or not for each of control devices in a power transmission and distribution system based on a control history of the control devices, a time constant calculation unit configured to calculate an adjustment time constant in which a time constant of the control device having state information indicating a state of the control device, with a high significance level, is increased, when the hunting determination unit determines that the hunting has occurred in one or more of the control devices, and a time constant transmission unit configured to transmit the adjustment time constant to the control device.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: July 19, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenji Ueda, Tomihiro Takano
  • Patent number: 11391495
    Abstract: In order to reduce the effect on a compressor caused by foaming in an oil tank, a control unit for controlling an oil pump starts the oil pump before a compressor is started (SA1), starts the compressor (SA4) when an oil supply differential pressure P satisfies a compressor startup condition during a reference time Tas from the starting of the oil pump (“Yes” in SA3), and extends the operation of the oil pump for a prescribed time without starting the compressor (Step SA5) when the compressor startup condition is not satisfied (“No” in SA3).
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: July 19, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Yoshie Togano, Kenji Ueda, Yasushi Hasegawa
  • Publication number: 20220177678
    Abstract: A cellulose ester composition having high fluidity, the cellulose ester composition containing a cellulose ester (A), an adipate-based compound (B), and a citrate-based compound (C). When a total of the component (A), the component (B), and the component (C) is 100 mass %, a content of the component (B) is from 7 to 20 mass %, a content of the component (C) is from 1 to 14 mass %, a total content of the component (B) and the component (C) is from 21 to 30 mass %, and the remainder is the component (A).
    Type: Application
    Filed: April 21, 2020
    Publication date: June 9, 2022
    Inventors: Takayuki OGIHARA, Kenji UEDA, Akihiko KUMAGAE, Akihiko SHIROYA
  • Publication number: 20220136744
    Abstract: A turbo chiller that has an oil-free configuration, which reduces the frequency of maintenance and maintenance-induced release of refrigerant, and can achieve a reduced environmental impact by utilizing the characteristics of the low-pressure refrigerant R1233zd(E) that reaches negative pressure at a saturation temperature of 18° C. or lower. The turbo chiller comprises a refrigeration cycle that includes a turbo compressor, a condenser, a decompression device, and an evaporator connected in sequence via piping and is filled with a refrigerant; wherein the refrigerant is a low-pressure refrigerant R1233zd(E) refrigerant with low global warming potential and low ozone depletion potential; the turbo compressor has a direct drive configuration in which a rotating shaft of impellers is directly joined to a motor; and the rotating shaft is supported by magnetic bearings.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 5, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: YASUSHI HASEGAWA, Kenji UEDA, Noriyuki MATSUKURA, Ryosuke SUEMITSU, Shintaro OMURA
  • Publication number: 20220127298
    Abstract: This invention provides a novel compound having an antibacterial activity, and a method for producing the same. The compound is represented by Formula (I): or a salt or ester thereof.
    Type: Application
    Filed: February 4, 2020
    Publication date: April 28, 2022
    Applicant: KENNAN EISEI KOGYO CO., LTD.
    Inventors: Hideaki TAKANO, Minato SATO, Shoichi AMANO, Hatsumi TAKANO, Kenji UEDA, Kazuo FURIHATA, Shohei SAKUDA, Akira YOROTA, Shuhei YABE
  • Patent number: 11299367
    Abstract: In an adjustment device for a frictional force adjustment portion in a section, an inner circumferential portion of the section includes: a support hole formed from rolling bearings at both ends; a frictional force generation portion configured of a brake shoe, a coil spring, and a hexagon socket set screw and generates a frictional force against a rotary shaft inserted into the support hole; and a frictional force adjustment portion configured of the hexagon socket set screw and adjusts the frictional force in the frictional force generation portion. The adjustment member driving actuator adjusts the frictional force of the frictional force adjustment portion by rotating normally and reversely the adjustment member such that the frictional force in the frictional force generation portion of the section falls within a predetermined range.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: April 12, 2022
    Inventors: Akira Onodera, Takayuki Saito, Kenji Ueda, Masahiro Ebisawa
  • Patent number: 11208126
    Abstract: A DC feeder voltage computing device includes a model information storing unit, a run history information storing unit, and a voltage setting value computing unit. The model information storing unit stores model information. The run history information storing unit stores, on a per train basis, run history information that indicates locations and power situations of a plurality of trains that run in a DC-electrified section on or before a preceding day. The voltage setting value computing unit computes, on the basis of the model information and the run history information, a voltage setting value for controlling a substation voltage to cause an amount of power consumption in the DC-electrified section to satisfy a preset condition.
    Type: Grant
    Filed: June 7, 2017
    Date of Patent: December 28, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hironori Mochimaru, Keiki Fujita, Kenji Ueda, Toshihiro Wada
  • Publication number: 20210190394
    Abstract: In order to reduce the effect on a compressor caused by foaming in an oil tank, a control unit for controlling an oil pump starts the oil pump before a compressor is started (SA1), starts the compressor (SA4) when an oil supply differential pressure P satisfies a compressor startup condition during a reference time Tas from the starting of the oil pump (“Yes” in SA3), and extends the operation of the oil pump for a prescribed time without starting the compressor (Step SA5) when the compressor startup condition is not satisfied (“No” in SA3).
    Type: Application
    Filed: October 12, 2018
    Publication date: June 24, 2021
    Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.
    Inventors: Yoshie TOGANO, Kenji UEDA, Yasushi HASEGAWA
  • Patent number: D963557
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: September 13, 2022
    Inventors: Teppei Nakamichi, Yuto Ohte, Minoru Terada, Kenji Ueda, Hiroki Uno, Hideki Osawa, Tomo Niura, Etsuro Takada, Daisuke Morito
  • Patent number: D964919
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: September 27, 2022
    Inventors: Teppei Nakamichi, Yuto Ohte, Minoru Terada, Kenji Ueda, Hiroki Uno, Hideki Osawa, Tomo Niura, Etsuro Takada, Daisuke Morito