Patents by Inventor Yuichi Okuyama

Yuichi Okuyama 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).

  • Patent number: 11806916
    Abstract: A blow molding apparatus including: a mold; a blow nozzle; a pressurized fluid supply unit; and a blow nozzle moving unit configured to cause a relative movement of the blow nozzle between a connected position and a standby position, wherein a preform is molded into a container by supplying a pressurized incompressible fluid into the preform. The blow molding apparatus includes: a drawing member including a drawing port; a drawing pump configured to be connected to the drawing member; and a drawing member moving unit configured to move the drawing member so that the drawing port is positioned below the blow nozzle, after the container has been molded and the blow nozzle has been moved from the connected position to the standby position.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: November 7, 2023
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yuichi Okuyama, Mitsuru Shiokawa
  • Patent number: 11780633
    Abstract: A synthetic resin-made container has an outer layer body and an inner layer body separably laminated on an inner surface of the outer layer body and is formed by stretch blow molding, and has: a tubular mouth portion; a shoulder portion located below the mouth portion and increasing in diameter downward; a barrel portion connected to and located below the shoulder portion; and a bottom portion closing a lower end of the barrel portion, wherein the mouth portion has an outside air introduction hole for introducing outside air into a space between the outer layer body and the inner layer body, and the inner layer body is made of a crystalline resin, and has, in at least a part of the mouth portion in the inner layer body, a crystallized region having a higher degree of crystallinity than other regions.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: October 10, 2023
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hiroshi Hosokoshiyama, Yuichi Okuyama, Junichi Chiba
  • Publication number: 20220412347
    Abstract: A plunger pump, including: a tubular cylinder that has an internal space communicating with inlet and outlet flow paths; and a piston that is movable along an axis of the cylinder, wherein a head of the piston includes, on an outer peripheral surface thereof, a sealing portion that is slidable against an inner peripheral surface of the cylinder, which includes a body tubular portion wherein the head is arranged during normal use, and a cleaning tubular portion wherein the head is arranged during cleaning, an inner peripheral surface of the cleaning tubular portion has an inner diameter equal to that of an inner peripheral surface of the body tubular portion, the cleaning tubular portion includes, on the inner peripheral surface thereof, at least one cleaning liquid circulation groove that is configured by a through hole or recess, and the cleaning liquid circulation groove extends obliquely with respect to the axis.
    Type: Application
    Filed: January 28, 2021
    Publication date: December 29, 2022
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hideaki HOSHINO, Yuichi OKUYAMA
  • Patent number: 11524442
    Abstract: An apparatus for manufacturing a liquid container, in which a nozzle unit has a seal body disposed in a supply path, the seal body has an annular first seal portion, an annular second seal portion and a spare supply path extending from a flow inlet located between the first seal portion and the second seal portion to a flow outlet located closer to a tip side of the seal body than the second seal portion, and the seal body can move between a blocked position where the first seal portion sits on the supply path, a spare supply position where the first seal portion separates from the supply path and the second seal portion sits on the supply path and an open position where the first seal portion separates from the supply path and the second seal portion separates from the supply path.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: December 13, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Yuichi Okuyama
  • Patent number: 11511475
    Abstract: A method of manufacturing a liquid container, in which, a nozzle unit includes a blow nozzle having a supply port and a spare supply tube having, at a lower end thereof, a spare supply port. The method includes: an air exhausting step of exhausting the air in the preform to the outside by supplying a liquid into the preform from the spare supply port located at a bottom portion of the preform; a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid from the supply port into the preform; and a headspace forming step of forming a headspace by exhausting the liquid from the inside of the liquid container.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: November 29, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yuichi Okuyama, Hideaki Hoshino, Mitsuru Shiokawa, Kenichi Suyama
  • Patent number: 11504897
    Abstract: A liquid container manufacturing method includes: a nozzle fitting step of fitting a blow nozzle to a mouth of a preform; a liquid blow molding step of liquid blow molding the preform into a halfway shape by supplying a predetermined volume of liquid that is less than a full capacity of a liquid container from a liquid supply port of the blow nozzle to the preform; and an air blow molding step of molding the preform into a shape conforming to an inner surface of a mold for blow molding by supplying pressurized air from a gas supply port to the preform after the liquid supply port is closed, in which a headspace is generated in the liquid container, having a volume corresponding to a difference between a volume of the liquid supplied to the preform in the liquid blow molding step and a full capacity of the liquid container.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: November 22, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Hideaki Hoshino, Yuichi Okuyama
  • Publication number: 20220297371
    Abstract: A blow molding apparatus is configured to blow mold a preform into a container by supplying a pressurized incompressible fluid into the preform from a pressurized fluid supply unit. The blow molding apparatus includes: a drawing and discharging flow path connected to a drawing orifice; a fluid drawing source to apply drawing force to the drawing and discharging flow path, after blow molding is completed and after and/or while the blow nozzle is moved to a standby position, to draw the incompressible fluid adhering to the blow nozzle; and a pressurized gas supply source to supply a pressurized gas to the drawing and discharging flow path, after blow molding is completed and after a next preform is placed into the mold, to cause the incompressible fluid inside the drawing and discharging flow path to flow out toward the inside of the preform or toward the inside of a container.
    Type: Application
    Filed: July 1, 2020
    Publication date: September 22, 2022
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hideaki HOSHINO, Mitsuru SHIOKAWA, Yuichi OKUYAMA
  • Patent number: 11407163
    Abstract: A blow molding device includes: a tubular-shaped nozzle; a tubular-shaped sealing body configured to be displaced between closing and opening positions; and a stretching rod surrounded by the sealing body. The sealing body includes a tubular wall, which has a drawing-in hole extending from one end to another end, the one end being open at a lower end of the tubular wall, and the other end being open at an outer circumferential surface of the tubular wall. The nozzle has a drawing-in path configured to communicate with the other end of the drawing-in hole when the sealing body is in the closing position. The blow molding device further includes a fluid drawing-in source configured to draw in the incompressive fluid from the drawing-in path.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: August 9, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Hideaki Hoshino, Yuichi Okuyama
  • Publication number: 20220240465
    Abstract: Provided are a cultivation assisting device and a cultivation assisting method which are capable of assisting cultivators in cultivating crops using nanobubble water effectively. In order to assist cultivation of crops using nanobubble water, first information relating to a nanobubble water use condition is acquired for each cultivator cultivating a crop and second information relating to the result of cultivation is acquired for each cultivator; from the first information and second information of each cultivator, the correlation between the use condition and the result is determined; a selection of a result is accepted; and a use condition based on the selected result is derived on the basis of the correlation.
    Type: Application
    Filed: March 23, 2020
    Publication date: August 4, 2022
    Inventors: Masaaki IIZUKA, Yuichi OKUYAMA
  • Patent number: 11400637
    Abstract: A liquid blow molding method of molding a synthetic resin preform having a mouth portion into a liquid container of a predetermined shape, including: an air-liquid replacement step of supplying a liquid into the preform from the mouth portion through a blow nozzle and discharging the air inside the preform to the outside; an air-liquid separation step of separating the air from the liquid inside the preform by vibrating the preform; and a blow molding step of molding the preform into a container of a predetermined shape by supplying a pressurized liquid into the preform from the mouth portion through the blow nozzle, after the air-liquid separation step.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: August 2, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Yuichi Okuyama
  • Publication number: 20220234273
    Abstract: A blow molding apparatus including: a mold; a blow nozzle; a pressurized fluid supply unit; and a blow nozzle moving unit configured to cause a relative movement of the blow nozzle between a connected position and a standby position, wherein a preform is molded into a container by supplying a pressurized incompressible fluid into the preform. The blow molding apparatus includes: a drawing member including a drawing port; a drawing pump configured to be connected to the drawing member; and a drawing member moving unit configured to move the drawing member so that the drawing port is positioned below the blow nozzle, after the container has been molded and the blow nozzle has been moved from the connected position to the standby position.
    Type: Application
    Filed: March 5, 2020
    Publication date: July 28, 2022
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yuichi OKUYAMA, Mitsuru SHIOKAWA
  • Patent number: 11396123
    Abstract: A liquid container manufacturing method includes: a nozzle fitting step of fitting a blow nozzle into a mouth of a preform; a liquid replacing step of replacing the air in the preform with a liquid by supplying a predetermined amount of liquid from a liquid supply port to the preform with a discharge port open; and a liquid blow molding step of molding the preform into a liquid container by supplying a pressurized liquid from the liquid supply port into the preform after the discharge port is closed.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: July 26, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hideaki Hoshino, Shinichi Tabata, Yuichi Okuyama, Shigeki Morikami
  • Publication number: 20220211032
    Abstract: The purpose of the present invention is to provide a method for producing fruit having improved quality which has fewer restrictions on place and the like and can be more casually used. This method for producing fruit having improved quality uses nanobubble water for a plant body belonging to fruit trees.
    Type: Application
    Filed: April 14, 2020
    Publication date: July 7, 2022
    Applicants: AQUASOLUTION CORPORATION, AQUASOLUTION CORPORATION
    Inventors: Yuichi OKUYAMA, Takashi SATO
  • Patent number: 11345072
    Abstract: A blow molding device includes a nozzle, a pressurized fluid supply source, a seal body, and a rod. The seal body includes a tubular wall. A communication depression extending from a lower end of the tubular wall to a communication port open on an outer circumferential surface of the tubular wall is provided in an inner circumferential surface of the seal body. A communication path is provided in the nozzle. The blow molding device further includes a fluid suction source configured to suck an incompressible fluid from the communication depression through the communication path and the communication port, and/or a pressurized gas supply source configured to supply a pressurized gas that blows off the incompressible fluid from the communication depression through the communication path and the communication port.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: May 31, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hideaki Hoshino, Mitsuru Shiokawa, Yuichi Okuyama
  • Patent number: 11338493
    Abstract: A liquid blow molding method molds a bottomed tubular-shaped preform into a liquid-containing container in which a content liquid is held. The liquid blow molding method includes: a first molding step of liquid blow molding the preform into a halfway shape by supplying, into the preform that has been heated to a predetermined temperature, a first liquid at a predetermined pressure through a nozzle unit; and a second molding step, performed after the first molding step, of liquid blow molding the preform by supplying a second liquid into the preform at a predetermined pressure through the nozzle unit.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: May 24, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yuichi Okuyama, Mitsuru Shiokawa
  • Patent number: 11325296
    Abstract: A liquid blow molding device and a liquid blow molding method are configured to supply pressurized liquid to a preform mounted to a mold to mold the preform into a shape along a cavity of the mold, and includes a blow nozzle fitted into a mouth portion of the preform, a plunger pump configured to supply pressurized liquid to the preform through the blow nozzle and a controller configured to control operation of the plunger pump. The controller controls operation of the plunger pump by position control in which a plunger of the plunger pump is moved from an original position to a predetermined final position with a predetermined operating force.
    Type: Grant
    Filed: February 2, 2017
    Date of Patent: May 10, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yuichi Okuyama, Kenichi Suyama
  • Patent number: 11318656
    Abstract: A liquid blow molding method of molding a liquid container containing a content liquid from a preform, includes a nozzle engagement step of engaging a blow nozzle with a mouth portion of the preform; a molding step of molding the preform into a container of a predetermined shape by supplying a pressurized liquid into the preform; a suck-back step of sucking back a predetermined amount of liquid from the inside of the container to a supply channel by operating a pump in a reverse direction with the container put in the upside-down posture while the blow nozzle is engaged with the mouth portion; and a nozzle separation step of separating the blow nozzle from the mouth portion with the container put in the upright posture.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 3, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Yuichi Okuyama
  • Patent number: 11312058
    Abstract: A liquid-containing container manufacturing method includes: a liquid blow molding step of molding a preform into a liquid-containing container of a shape along an inner surface of a mold for blow molding, by supplying a liquid pressurized from a supply path into the preform in a state in which a blow nozzle engages with a mouth part of the preform; and a headspace formation step of forming a headspace in the liquid-containing container, by operating a pressurized liquid supply source in a suction direction to discharge the liquid from inside the liquid-containing container through the supply path, thereafter closing the supply path, and discharging the liquid from inside the liquid-containing container through a discharge port of a discharge rod extending into the liquid-containing container through the blow nozzle.
    Type: Grant
    Filed: August 13, 2018
    Date of Patent: April 26, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Hideaki Hoshino, Kenichi Suyama, Yuichi Okuyama
  • Patent number: 11298866
    Abstract: A liquid-blow molding apparatus including a blow-molding mold that houses a preform leaving a mouth that serves as an open end thereof; a blow nozzle that supplies a pressurized liquid into the preform; a partition-wall member that closely surrounds a periphery of an outer-wall surface of the mouth of the preform and defines a mouth-external pressurized space with the outer-wall surface; and pressurized liquid-supply means for supplying a pressurized liquid into the mouth-external pressurized space so that pressure in the mouth-external pressurized space is higher than pressure inside the preform during liquid blow-molding.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: April 12, 2022
    Assignee: Discma AG
    Inventors: Kenichi Suyama, Yuichi Okuyama
  • Patent number: 11285654
    Abstract: A liquid blow molding device includes: a supply block including a supply path; a blow nozzle detachably attached to the supply block; a pressurized liquid supply unit configured to supply the pressurized liquid to the blow nozzle; an annular-shaped sealing surface that is provided in a portion of the supply block that is located between an inner circumferential surface defining the supply path and the outlet and that surrounds an entire circumference of the outlet; and a sealing body that is disposed inside the supply path and that is displaceable between a closing position, in which the sealing body abuts against the sealing surface to close the outlet, and an opening position, in which the sealing body is spaced from the sealing surface to open the outlet.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: March 29, 2022
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Mitsuru Shiokawa, Hideaki Hoshino, Yuichi Okuyama