Patents by Inventor Yoshiyuki Kakuta

Yoshiyuki Kakuta 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: 20220401982
    Abstract: A trigger-type liquid ejector including an ejector main body and a nozzle member. The ejector main body includes: a longitudinal supply tube portion; a trigger mechanism including a trigger portion; a reservoir cylinder; a reservoir plunger; and a reservoir valve. The longitudinal supply tube portion includes an outer tube and an inner tube. A recovery passage is provided between the outer tube and the inner tube. The reservoir valve is provided in the inner tube and configured to allow supply of a liquid from the longitudinal supply tube portion into the reservoir cylinder by being elastically deformed in the vertical direction.
    Type: Application
    Filed: October 29, 2020
    Publication date: December 22, 2022
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yoshiyuki KAKUTA, Kota SAKATA
  • Patent number: 11045821
    Abstract: A trigger type liquid ejector includes an ejector main body having a vertical supply pipe, an ejection barrel, a trigger mechanism having a main piston and a main cylinder, a reservoir cylinder, a reservoir plunger, a first check valve configured to block communication between a container body and the vertical supply pipe when the main cylinder is pressurized and allow communication when the main cylinder is decompressed, and a second check valve configured to allow communication between an ejection hole and the vertical supply pipe when the main cylinder is pressurized and block communication when the main cylinder is decompressed, and a communication path is provided between the main piston and the main cylinder and is configured to bring the main cylinder in communication with the container body when the main piston is moved to a position deviated rearward from a frontmost position.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: June 29, 2021
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki Kakuta
  • Patent number: 10850040
    Abstract: The syringe dispenser includes a syringe and a plunger. The plunger includes a first shaft member including a piston and second shaft member configured to be fitted in a tubular portion of the first shaft member. The first shaft member includes an elastic piece, the elastic piece being provided with a slide projection configured to slide on an inner surface of the syringe and a lock projection configured to be locked against the syringe. The second shaft member includes a pressing shaft configured to be fitted in the tubular portion. The pressing shaft is provided in a front end thereof with an end surface configured to press a free end of the elastic piece. In response to pressing from the end surface, the lock projection is locked against the rear end of the syringe, and in response to the pressing being released, the locking of the lock projection is released.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: December 1, 2020
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki Kakuta
  • Patent number: 10654052
    Abstract: A discharge device main body having a flow tube through which contents from a container flow inside and which is mounted on the container, a support body extending along the flow tube and fitted to the inside of the flow tube, and a nozzle tip having a nozzle tip body formed in a cylindrical shape with a top including a circumferential wall portion fitted to an outer circumferential surface of the support body and a top wall portion in which a discharge hole of the contents is formed, the nozzle tip being mounted on a distal end portion of the flow tube in a state of being combined with the support body in which a discharge path to communicate the inside of the flow tube and the discharge hole with each other is formed, and the support body is formed separately from the flow tube and the nozzle tip.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: May 19, 2020
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Kotaro Fujiwara, Yoshiyuki Kakuta
  • Publication number: 20200030829
    Abstract: A trigger type liquid ejector includes an ejector main body having a vertical supply pipe, an ejection barrel, a trigger mechanism having a main piston and a main cylinder, a reservoir cylinder, a reservoir plunger, a first check valve configured to block communication between a container body and the vertical supply pipe when the main cylinder is pressurized and allow communication when the main cylinder is decompressed, and a second check valve configured to allow communication between an ejection hole and the vertical supply pipe when the main cylinder is pressurized and block communication when the main cylinder is decompressed, and a communication path is provided between the main piston and the main cylinder and is configured to bring the main cylinder in communication with the container body when the main piston is moved to a position deviated rearward from a frontmost position.
    Type: Application
    Filed: April 19, 2018
    Publication date: January 30, 2020
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki KAKUTA
  • Patent number: 10357791
    Abstract: A trigger-type liquid ejector includes: an ejector main body; and nozzle member provided with an ejection hole. The ejector main body includes: a vertical supply pipe for sucking-up liquid; an ejection barrel communicating with the inside of the vertical supply pipe; and a trigger mechanism including a trigger, the trigger being arranged to be movable rearward in state of receiving forward force, and the trigger mechanism being lead liquid from the vertical supply pipe into the ejection barrel in accordance with rearward movement of the trigger and to eject the liquid from the ejection barrel. The nozzle member is provided with: a cylinder communicating with the inside of the ejection barrel through a supply hole; a plunger accommodated in the cylinder to be movable rearward in a state of receiving forward force; and a communication hole allowing the inside of the cylinder and ejection hole to communicate with each other.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: July 23, 2019
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yoshiyuki Kakuta, Toru Toma
  • Patent number: 10279363
    Abstract: A trigger-type liquid ejector includes an ejector main body and a nozzle member. The ejector main body includes a vertical supply pipe, an ejection barrel and a trigger mechanism; and the trigger mechanism includes a main piston and a main cylinder. In the trigger-type liquid ejector, the ejector main body includes a connection tube, a closing-off plug, a reservoir cylinder, a reservoir plunger and a reservoir valve, and the ejection barrel extends forward from the reservoir cylinder.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: May 7, 2019
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki Kakuta
  • Patent number: 10183802
    Abstract: A shoulder cover for an aerosol container that can be readily positioned and attached to the aerosol container having two stems. The shoulder cover is attached to a mounting cup that includes an upper tier part having two stems protruding from a top wall thereof and having long sides and short sides, and a cylindrical part. The shoulder cover includes an outer circumferential wall, a roof wall, a cylindrical wall extending downward from the roof wall, and locking structure provided to the cylindrical wall and retaining the shoulder cover by engaging with the cylindrical part of the mounting cup, and positioning structure for fitting with the upper tier part to thereby position a mating position of the shoulder cover is formed.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: January 22, 2019
    Assignee: TOYO AEROSOL INDUSTRY CO., LTD.
    Inventors: Ken Ogata, Hirokazu Shimizu, Toru Toma, Yoshiyuki Kakuta, Kotaro Fujiwara
  • Publication number: 20180369842
    Abstract: A trigger-type liquid ejector includes an ejector main body and a nozzle member. The ejector main body includes a vertical supply pipe, an ejection barrel and a trigger mechanism; and the trigger mechanism includes a main piston and a main cylinder. In the trigger-type liquid ejector, the ejector main body includes a connection tube, a closing-off plug, a reservoir cylinder, a reservoir plunger and a reservoir valve, and the ejection barrel extends forward from the reservoir cylinder.
    Type: Application
    Filed: December 22, 2016
    Publication date: December 27, 2018
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki KAKUTA
  • Publication number: 20180296766
    Abstract: The syringe dispenser includes a syringe and a plunger. The plunger includes a first shaft member including a piston and second shaft member configured to be fitted in a tubular portion of the first shaft member. The first shaft member includes an elastic piece, the elastic piece being provided with a slide projection configured to slide on an inner surface of the syringe and a lock projection configured to be locked against the syringe. The second shaft member includes a pressing shaft configured to be fitted in the tubular portion. The pressing shaft is provided in a front end thereof with an end surface configured to press a free end of the elastic piece. In response to pressing from the end surface, the lock projection is locked against the rear end of the syringe, and in response to the pressing being released, the locking of the lock projection is released.
    Type: Application
    Filed: August 18, 2016
    Publication date: October 18, 2018
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki KAKUTA
  • Publication number: 20180264487
    Abstract: A discharge device main body having a flow tube through which contents from a container flow inside and which is mounted on the container , a support body extending along the flow tube and fitted to the inside of the flow tube, and a nozzle tip having a nozzle tip body formed in a cylindrical shape with a top including a circumferential wall portion fitted to an outer circumferential surface of the support body and a top wall portion in which a discharge hole of the contents is formed, the nozzle tip being mounted on a distal end portion of the flow tube in a state of being combined with the support body in which a discharge path to communicate the inside of the flow tube and the discharge hole with each other is formed, and the support body is formed separately from the flow tube and the nozzle tip.
    Type: Application
    Filed: August 23, 2016
    Publication date: September 20, 2018
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Kotaro FUJIWARA, Yoshiyuki KAKUTA
  • Patent number: 9878104
    Abstract: Provided is a metered quantity syringe-type dispenser that is capable of multistage pushing. The metered quantity syringe-type dispenser includes a syringe; a plunger configured to be pushed into the syringe; an elastic deforming portion configured to be deformed in response to the pushing of the plunger; and a stopper portion configured to be locked with respect to the syringe and to be released from the locking by restoring force of the elastic deforming portion.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: January 30, 2018
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yoshiyuki Kakuta, Toru Toma, Shinya Hoshino
  • Patent number: 9724714
    Abstract: In a foam discharge device, a pump has a piston for a liquid linked to a stem, a cylinder for a liquid in which the piston for a liquid is vertically slidably accommodated, a piston for air linked to the stem, a cylinder for air in which the piston for air is vertically slidably accommodated, and an air-liquid mixing unit to mix a liquid from the cylinder for a liquid and air from the cylinder for air to foam the liquid, the cylinder for air is inside a mounting cap and accommodated in a container main body, a head-section-side cylinder for air into which a piston tube erected at a ceiling wall section of the mounting cap is fitted extends from a pressing head, and a communication path to bring the insides of the head-section-side cylinder for air and the cylinder for air in communication is formed at the pump.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: August 8, 2017
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki Kakuta
  • Publication number: 20170216863
    Abstract: A trigger-type liquid ejector includes: an ejector main body; and nozzle member provided with an ejection hole. The ejector main body includes: a vertical supply pipe for sucking-up liquid; an ejection barrel communicating with the inside of the vertical supply pipe; and a trigger mechanism including a trigger, the trigger being arranged to be movable rearward in state of receiving forward force, and the trigger mechanism being lead liquid from the vertical supply pipe into the ejection barrel in accordance with rearward movement of the trigger and to eject the liquid from the ejection barrel. The nozzle member is provided with: a cylinder communicating with the inside of the ejection barrel through a supply hole; a plunger accommodated in the cylinder to be movable rearward in a state of receiving forward force; and a communication hole allowing the inside of the cylinder and ejection hole to communicate with each other.
    Type: Application
    Filed: October 28, 2015
    Publication date: August 3, 2017
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Yoshiyuki KAKUTA, Toru TOMA
  • Publication number: 20160075500
    Abstract: An object of the present invention is to provide a shoulder cover for aerosol container that can be readily positioned and attached to an aerosol container having two stems. The shoulder cover of the present invention is attached to a mounting cup that includes an upper tier part having two stems protruding from a top wall thereof and having long sides and short sides, and a cylindrical part. The shoulder cover includes an outer circumferential wall, a roof wall, a cylindrical wall extending downward from the roof wall, and locking means provided to the cylindrical wall and retaining the shoulder cover by engaging with the cylindrical part of the mounting cup, and positioning means for fitting with the upper tier part to thereby position a mating position of the shoulder cover is formed.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 17, 2016
    Applicant: TOYO AEROSOL INDUSTRY CO., LTD.
    Inventors: Ken Ogata, Hirokazu Shimizu, Toru Toma, Yoshiyuki Kakuta, Kotaro Fujiwara
  • Patent number: 9238527
    Abstract: A dispensing container provides that after discharging content, the content which has not been returned to an internal container is prevented from leaking out of a discharge port. The dispensing container has an internal container which contains content and an external container in which the internal container is attached. The external container is provided with a suction port for sucking external air in between the internal container and the external container. A discharge cap is attached to a spout and is provided with a discharge port for discharging the content. The discharge cap includes an inside plug which closes the spout and a cylindrical body covering the inside plug and being provided with the discharge port. The inside plug is provided with a communication port. A valve that is slidable along an axial direction of the communication port is provided to open and close the communication port.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: January 19, 2016
    Assignees: YOSHINO KOGYOSHO CO., LTD., KIKKOMAN CORPORATION
    Inventors: Yoshiyuki Kakuta, Satoshi Sakamoto, Keisuke Miyairi, Denmi Kuwagaki, Masashi Fukumoto
  • Patent number: 9227762
    Abstract: The invention relates to a bottle container with a handle. A mounting projecting portion projects from the bottle body, and the handle member has a handle portion connected to a mounting hole that allows the mounting projecting portion to be inserted thereinto. The handle member is mounted on the bottle body by inserting the mounting projecting portion into the mounting hole, and then rotating the mounting projecting portion around a central axis of the mounting projecting portion relative to the bottle body. The inner peripheral surface of the mounting hole has an abutting portion that abuts with an engaging recessed groove in the outer surface of the mounting projecting portion. The mounting portion has a guide portion that slides on a sliding surface of the outer surface of the mounting projecting portion with the relative rotation of the handle member and the bottle body, and guides the relative rotation.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: January 5, 2016
    Assignee: YOSHINO KOGYOSHO CO., LTD.
    Inventors: Masaaki Sasaki, Yoshiyuki Kakuta, Takao Iizuka
  • Publication number: 20150352580
    Abstract: In a foam discharge device, a pump has a piston for a liquid linked to a stem, a cylinder for a liquid in which the piston for a liquid is vertically slidably accommodated, a piston for air linked to the stem, a cylinder for air in which the piston for air is vertically slidably accommodated, and an air-liquid mixing unit to mix a liquid from the cylinder for a liquid and air from the cylinder for air to foam the liquid, the cylinder for air is inside a mounting cap and accommodated in a container main body, a head-section-side cylinder for air into which a piston tube erected at a ceiling wall section of the mounting cap is fitted extends from a pressing head, and a communication path to bring the insides of the head-section-side cylinder for air and the cylinder for air in communication is formed at the pump.
    Type: Application
    Filed: November 22, 2013
    Publication date: December 10, 2015
    Applicant: YOSHINO KOGYOSHO CO., LTD.
    Inventor: Yoshiyuki KAKUTA
  • Patent number: 9010558
    Abstract: The invention relates to a bottle container with a handle. A mounting projecting portion is provided on the bottle body, and a handle member is provided with a mounting hole which allows the mounting projecting portion to be inserted thereinto, and a handle portion which extends from the mounting portion, and is mounted on the bottle body by inserting the mounting projecting portion into the mounting hole, and then rotating the mounting projecting portion relative to the bottle body. The bottle body is provided with a rotation preventing member which accommodates the handle portion to prevent the relative rotation of the bottle body and the handle member in a state where the handle member has been mounted.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: April 21, 2015
    Assignee: Yoshino Kogyosho Co., Ltd.
    Inventors: Masaaki Sasaki, Yoshiyuki Kakuta, Takao Ilzuka
  • Publication number: 20150075520
    Abstract: Provided is a metered quantity syringe-type dispenser that is capable of multistage pushing. The metered quantity syringe-type dispenser includes a syringe; a plunger configured to be pushed into the syringe; an elastic deforming portion configured to be deformed in response to the pushing of the plunger; and a stopper portion configured to be locked with respect to the syringe and to be released from the locking by restoring force of the elastic deforming portion.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 19, 2015
    Inventors: Yoshiyuki Kakuta, Toru Toma, Shinya Hoshino