Patents by Inventor Masashi Morikawa

Masashi Morikawa 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: 20240150122
    Abstract: In order to determine, without a trial, whether or not an article can be transferred and in order to reset the article in a case where the article cannot be transferred, provided is a transfer system including: a first determining section that determines whether or not a transferring section can hold and transfer an article, on the basis of a posture of the article an image of which has been captured by a camera section; and an adjusting section that, in a case where the first determining section determines that the transferring section cannot transfer the article, controls a driving section and a holding direction changing section so that the posture and a position of the article are adjusted to a posture and a position that allow the transferring section to transfer the article.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: DAIFUKU CO., LTD.
    Inventors: Atsushi MINOO, Hiroyuki KUSUBE, Yuichi UEDA, Masashi MORIKAWA, Tomokazu NAKAMURA
  • Patent number: 11965444
    Abstract: A controller for an internal combustion engine is configured to execute a determination process that determines that a deviation between a first change amount and a second change amount during a fuel cutoff operation is less than or equal to a threshold, and an anomaly diagnosing process that determines that an exhaust purification device is in a detached state when the determination process determines that the deviation is less than or equal to the threshold. The first change amount and the second change amount are change amounts per unit time of the temperature of exhaust gas on the upstream side and the downstream side of the exhaust purification device, respectively. The controller is configured to interrupt the determination process when the upstream-side temperature increases within a determination period.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: April 23, 2024
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Toru Yaeo, Yoshifumi Matsuda, Masashi Hakariya, Atsushi Morikawa, Ikuo Hoda, Noriyasu Adachi, Masanori Hayashi, Kenji Igawa
  • Patent number: 11933234
    Abstract: An engine is provided with a turbo charger including a wastegate valve. A first setpoint of opening of the wastegate valve is set in accordance with a target boost pressure. While a difference between the target boost pressure and a real boost pressure is large, the opening is controlled to a second setpoint, wherein the second setpoint is smaller than the first setpoint. While the opening is controlled to the second setpoint, it is determined whether a condition for limitation is satisfied in which an intake air quantity is above an intake air quantity criterion and an engine rotation speed is above an engine rotation speed criterion. When the condition is satisfied, the opening is controlled in a direction to increase from the second setpoint. The engine rotation speed criterion decreases as the intake air quantity increases. The intake air quantity criterion decreases as the engine rotation speed increases.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: March 19, 2024
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Akira Kojima, Mitsuhiko Kubota, Daisuke Imai, Masashi Morikawa
  • Publication number: 20240035413
    Abstract: A turbine housing has a scroll part, an outlet pipe, and an inlet pipe. A bypass passage is formed on an inner peripheral side of a twisting form leading from the inlet pipe toward the scroll part so as to allow communication between an inlet passage and an outlet passage. Viewing the turbine housing in an axial direction, an opening center of an outlet opening of the bypass passage is located in a quadrant where a mounting flange is located among four quadrants defined by a first imaginary plane that passes through a rotational center and that is parallel to a surface of the mounting flange, and a second imaginary plane that passes through the rotational center and that is orthogonal to the first imaginary plane.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 1, 2024
    Inventors: Daisuke IMAI, Naozumi KATOU, Tsubasa ENDO, Masashi MORIKAWA
  • Publication number: 20230272754
    Abstract: An engine is provided with a turbo charger including a wastegate valve. A first setpoint of opening of the wastegate valve is set in accordance with a target boost pressure. While a difference between the target boost pressure and a real boost pressure is large, the opening is controlled to a second setpoint, wherein the second setpoint is smaller than the first setpoint. While the opening is controlled to the second setpoint, it is determined whether a condition for limitation is satisfied in which an intake air quantity is above an intake air quantity criterion and an engine rotation speed is above an engine rotation speed criterion. When the condition is satisfied, the opening is controlled in a direction to increase from the second setpoint. The engine rotation speed criterion decreases as the intake air quantity increases. The intake air quantity criterion decreases as the engine rotation speed increases.
    Type: Application
    Filed: July 28, 2020
    Publication date: August 31, 2023
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Akira KOJIMA, Mitsuhiko KUBOTA, Daisuke IMAI, Masashi MORIKAWA
  • Publication number: 20210129210
    Abstract: A method of reusing core sand includes crushing a core used for casting into granules, the core includes water glass as a binder, and the water glass includes water-soluble water glass and water-insoluble water glass; heating the core; detaching the water glass from the core sand; and separating and collecting the core sand from a mixture of the water glass and the core sand.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke YAMASHITA, Hirotsune WATANABE, Masashi MORIKAWA
  • Patent number: 10967421
    Abstract: A method of reusing core sand includes crushing a core used for casting into granules, the core includes water glass as a binder, and the water glass includes water-soluble water glass and water-insoluble water glass; heating the core; detaching the water glass from the core sand; and separating and collecting the core sand from a mixture of the water glass and the core sand.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: April 6, 2021
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Yamashita, Hirotsune Watanabe, Masashi Morikawa
  • Patent number: 10946436
    Abstract: When pressing kneaded sand in a kneading sand tank into a mold by a pressing member, a pressing force applied to a kneaded sand layer in the kneading sand tank is monitored and a moving position of the pressing member is monitored from when the pressing member starts to move. A pressing start time at which the kneaded sand starts to flow into the mold is identified based on the pressing force applied to the kneaded sand layer in the kneading sand tank, and a pressing starting position of the pressing member at the pressing start time is identified. As a result, the pressing start time and the pressing starting position of the pressing member when the kneaded sand starts to flow into the mold are accurately identified, so the reliability of a filling evaluation of the kneaded sand into the mold is improved.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 16, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SINTOKOGIO, LTD.
    Inventors: Masahide Seko, Masashi Morikawa, Takumi Maegawa, Takashi Nagaya, Toshio Kanno, Hirotaka Kurita
  • Patent number: 10730101
    Abstract: Provided is a method of producing foamed sand (s) for forming a sand mold. The foamed sand (s) includes sand particles (p) and foam (f) adhering to surfaces of the sand particles (p). The foam (f) contains water glass (b), water (w), and a surfactant (c). According to the method, an aqueous surfactant solution (e) in which the surfactant (c) is dissolved is frothed to generate froth (d) from the aqueous surfactant solution (e). Then, the generated froth (d), the water glass (b), and the water (w) are kneaded with the sand constituted by the sand particles (p).
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: August 4, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SINTOKOGIO, LTD.
    Inventors: Takumi Maegawa, Masashi Morikawa, Kenichiro Mori, Yusuke Kato
  • Publication number: 20200238367
    Abstract: A method of reusing core sand includes crushing a core used for casting into granules, the core includes water glass as a binder, and the water glass includes water-soluble water glass and water-insoluble water glass; heating the core; detaching the water glass from the core sand; and separating and collecting the core sand from a mixture of the water glass and the core sand.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 30, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke YAMASHITA, Hirotsune WATANABE, Masashi MORIKAWA
  • Patent number: 10690067
    Abstract: When a waste gate valve (7) is forcibly fully closed for learning control at the time of start, the drive force of an electric actuator (20) is initially set to a large first level, and when a predetermined position (L1) immediately before seating is reached, the driving force is reduced to a second level. As a result, a valve body (7a) is gently seated. When a predetermined time (TM1) passes, the driving force is increased to a third level. Consequently, the electric actuator (20) presses the valve body (7a) onto a seat surface (34a) while displacing a spring member (37). As a result, a reliable sealability is obtained.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: June 23, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Masashi Morikawa, Mitsuhiko Kubota, Tsubasa Endo
  • Patent number: 10683797
    Abstract: A waste gate valve (7) of a turbocharger (3) is fully opened during idling after warm-up is completed in order to reduce exhaust resistance. However, during idling in an engine cold state when a cooling water temperature (TW) is below a threshold value (TW1), the waste gate valve (7) is open-loop controlled to an intermediate opening degree that is smaller than full opening. An ignition timing is delayed (retarded) for catalyst warm-up. When the cooling water temperature (TW) reaches (t3) the threshold value (TW1), the opening degree of the waste gate valve (7) is set to full opening. When an accelerator opening degree (APO) becomes large (t4) before warm-up is completed, the limitation of the opening degree is released.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: June 16, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Masashi Morikawa, Tsubasa Endo, Mitsuhiko Kubota
  • Patent number: 10668525
    Abstract: A method of reusing core sand includes crushing a core used for casting into granules; heating the granules at a temperature of 300° C. to 550° C.; causing the heated granules to collide against each other such that water glass used as a binder detaches from the core sand; and blowing air into a mixture of the water glass and the core sand, which are detached from each other, such that the core sand is separated and collected from the mixture due to a difference in specific gravity between the water glass and the core sand.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: June 2, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Yamashita, Hirotsune Watanabe, Masashi Morikawa
  • Publication number: 20190353107
    Abstract: When a waste gate valve (7) is forcibly fully closed for learning control at the time of start, the drive force of an electric actuator (20) is initially set to a large first level, and when a predetermined position (L1) immediately before seating is reached, the driving force is reduced to a second level. As a result, a valve body (7a) is gently seated. When a predetermined time (TM1) passes, the driving force is increased to a third level. Consequently, the electric actuator (20) presses the valve body (7a) onto a seat surface (34a) while displacing a spring member (37). As a result, a reliable sealability is obtained.
    Type: Application
    Filed: September 29, 2016
    Publication date: November 21, 2019
    Inventors: Masashi MORIKAWA, Mitsuhiko KUBOTA, Tsubasa Endo
  • Publication number: 20190032548
    Abstract: A waste gate valve (7) of a turbocharger (3) is fully opened during idling after warm-up is completed in order to reduce exhaust resistance. However, during idling in an engine cold state when a cooling water temperature (TW) is below a threshold value (TW1), the waste gate valve (7) is open-loop controlled to an intermediate opening degree that is smaller than full opening. An ignition timing is delayed (retarded) for catalyst warm-up. When the cooling water temperature (TW) reaches (t3) the threshold value (TW1), the opening degree of the waste gate valve (7) is set to full opening. When an accelerator opening degree (APO) becomes large (t4) before warm-up is completed, the limitation of the opening degree is released.
    Type: Application
    Filed: December 20, 2016
    Publication date: January 31, 2019
    Applicant: NISSAN MOTOR CO., LTD.
    Inventors: Masashi MORIKAWA, Tsubasa ENDO, Mitsuhiko KUBOTA
  • Patent number: 10183322
    Abstract: A method of reusing core sand includes: crushing a core used for casting into granules; heating the granules at a temperature of 300° C. to 550° C.; causing the heated granules to collide against each other such that water glass used as a binder detaches from the core sand; and blowing air into a mixture of the water glass and the core sand, which are detached from each other, such that the core sand is separated and collected from the mixture due to a difference in specific gravity between the water glass and the core sand.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: January 22, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Daisuke Yamashita, Hirotsune Watanabe, Masashi Morikawa
  • Publication number: 20180326473
    Abstract: Provided is a method of producing foamed sand (s) for forming a sand mold. The foamed sand (s) includes sand particles (p) and foam (f) adhering to surfaces of the sand particles (p). The foam (f) contains water glass (b), water (w), and a surfactant (c). According to the method, an aqueous surfactant solution (e) in which the surfactant (c) is dissolved is frothed to generate froth (d) from the aqueous surfactant solution (e). Then, the generated froth (d), the water glass (b), and the water (w) are kneaded with the sand constituted by the sand particles (p).
    Type: Application
    Filed: October 25, 2016
    Publication date: November 15, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SINTOKOGIO, LTD.
    Inventors: Takumi MAEGAWA, Masashi MORIKAWA, Kenichiro MORI, Yusuke KATO
  • Publication number: 20180311723
    Abstract: When pressing kneaded sand in a kneading sand tank into a mold by a pressing member, a pressing force applied to a kneaded sand layer in the kneading sand tank is monitored and a moving position of the pressing member is monitored from when the pressing member starts to move. A pressing start time at which the kneaded sand starts to flow into the mold is identified based on the pressing force applied to the kneaded sand layer in the kneading sand tank, and a pressing starting position of the pressing member at the pressing start time is identified. As a result, the pressing start time and the pressing starting position of the pressing member when the kneaded sand starts to flow into the mold are accurately identified, so the reliability of a filling evaluation of the kneaded sand into the mold is improved.
    Type: Application
    Filed: October 27, 2016
    Publication date: November 1, 2018
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SINTOKOGIO, LTD.
    Inventors: Masahide SEKO, Masashi MORIKAWA, Takumi MAEGAWA, Takashi NAGAYA, Toshio KANNO, Hirotaka KURITA
  • Patent number: 10099278
    Abstract: A mold-making device may include a stirring device including a stirring tank and at least one stirring blade. The stirring device may further include a packing port that is configured to open and close on a bottom of the stirring tank. The stirring device may stir a particulate aggregate and at least one additive by rotating the at least one stirring blade within the stirring tank to yield an admixture. A forming mold may communicate with the packing port and mold the admixture into a predetermined shape. A packing device may compress a surface of the admixture within the stirring tank and pack the admixture into the forming mold via the packing port.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: October 16, 2018
    Assignee: Sintokogio, Ltd.
    Inventors: Kazumasa Uchida, Masaomi Mitsutake, Hirotsune Watanabe, Takumi Maegawa, Masashi Morikawa, So Nakayama, Tomokazu Suda, Toshihiko Zenpo
  • Patent number: 10085359
    Abstract: In an electric device housing rack, cooling air drawn in by an air inlet from outside of a casing is guided to a first housing and a second housing by a flow divider, and then the cooling air passes through a ventilation opening and inside of a secondary battery module via a heat vent, whereby the secondary battery module is cooled.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: September 25, 2018
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuta Kurosaki, Masashi Morikawa