Patents Assigned to Musashi Engineering, Inc.
  • Publication number: 20220203400
    Abstract: Continuously manufacturing a planar layered material by repeatedly performing a bank portion forming step of supplying a first liquid material to a first workpiece and forming a bank portion in a frame shape, filled portion forming step of supplying a second liquid material to an inner side of the formed bank portion and forming a filled portion, and a bonding step of bonding the first workpiece with the filled portion formed thereon and a second workpiece to each other, the planar layered material manufacturing method comprises a height measurement step of measuring, by a height measurement device, a height of the filled portion or the bank portion formed on the first workpiece, and a height adjustment step of adjusting a relative height between the filled portion and the bank portion on the basis of the height of the filled portion or the bank portion measured in the height measurement step.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 30, 2022
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11361733
    Abstract: There is provided a character string display device including a character string display unit (10) including a plurality of display elements (110) arrayed two-dimensionally, and a display controller (20) configured to cause the character string display unit (10) to display a predetermined character string pattern by controlling display states of the plurality of display elements (110). In the character string display device, the display controller (20) is configured to cause the character string display unit (10) to display the character string pattern such that there is no blank line between consecutive character patterns of the character string pattern and that, when two display elements corresponding to the respective consecutive character patterns are adjacent to each other, a character pattern part corresponding to one of the adjacent display elements (110) is not displayed.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: June 14, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11344903
    Abstract: A liquid material discharge device includes: a plunger including a piston formed at a rear end a piston chamber in which the piston is disposed and to which pressurized gas is supplied; a pressure supply device that supplies, to the piston chamber, air pressurized in excess of the urging force of the elastic body, or that purges pressurized air out of the piston chamber, the liquid material discharge device discharging the liquid material from the discharge port by causing the plunger to move forward and applying an inertial force to the liquid material; a booster circuit that communicates the pressure supply device and an air source with each other, and the booster circuit includes a first and a second booster system including a booster valve and a pressure reducing valve, and a merging section in which the first booster system and the second booster system merge together.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: May 31, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11338589
    Abstract: [Problem] To provide a droplet ejection device and a droplet ejection method with which a liquid material can be continuously delivered to an ejection head when the liquid material is delivered between arbitrary tanks.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: May 24, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11266957
    Abstract: Problem: To supply a device and a method for accurately discharging a fixed amount of a liquid, the liquid containing solid particles, in a state that the solid particles are dispersed in the liquid material. Solution: A discharge device for a liquid material containing solid particles includes a first reservoir, a first air pressure supply pipe, a metering portion having a metering hole, a plunger moving back and forth in the metering hole, a nozzle, a switching valve having a first position and a second position, a plunger driver, and a switching valve driver. The discharge device further includes a second reservoir, a second air pressure supply pipe, a branch portion provided in an upper portion of the metering hole and having a branch flow path, and an opening/closing mechanism that establishes or cuts off communication between the second reservoir and the metering hole.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: March 8, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11229923
    Abstract: An apparatus and a method performing work free from variations among a plurality of work heads having individual differences. A working apparatus includes a number n (a natural number 2 or greater) of work heads, a stage retaining a work object, drive devices moving the stage and the work heads relative to each other in three directions, a work amount measurement device measuring a work amount of each work head, and a control device, wherein the first-direction drive device enables the number n of work heads to be independently moved in a first direction, and the second-direction drive device includes a second-direction main drive device moving the number n of work heads simultaneously in a second direction, and a second-direction auxiliary drive device moving n?1 work heads among the number n of work heads independently in the second direction. A working method is carried out using the working apparatus.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 25, 2022
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11117713
    Abstract: A lid for a liquid material storage container solves problems of uplift and breakage of the lid, and ensures high efficiency in attachment and detachment operations. The lid includes an upper plate portion covering a flange and a large-diameter opening of a storage cylinder; a plug portion extending downward from a central region of the upper plate portion and plugging the large-diameter opening of the storage cylinder; a pair of first lateral portions coming into contact with lateral surfaces of a pair of short sides of the flange when the lid is closed; a pair of claw portions extending from the pair of first lateral portions toward the plug portion and coming into contact with lower surfaces of the pair of short sides of the flange when the lid is closed; and a push-up operating portion formed in at least one of the pair of first lateral portions.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 14, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11110481
    Abstract: A liquid material discharge device and method capable of remedying the problem of liquid leakage caused by a closing failure that may occur in a negative pressure environment. The liquid material discharge device is used in a negative pressure space, and includes a storage container, a compressed-gas supply source pressurizing the storage container, a nozzle having a discharge flow path, a reciprocating valve rod, an actuator driving the valve rod, a valve seat having a communication hole that is communicated with the discharge flow path, and a discharge control device controlling the actuator to open and close the communication hole by a tip of the valve rod. The device can further include a resin film disposed at a lower end of the valve rod, or a resin film disposed on an upper surface of the valve seat and having a through-hole communicating with the communication hole.
    Type: Grant
    Filed: May 25, 2017
    Date of Patent: September 7, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11111129
    Abstract: The liquid material ejector has a liquid material supply port through which the liquid material is supplied, a nozzle for ejecting the liquid material, a valve block having a metering bore to be filled with the ejected liquid material and a liquid material supply channel communicating with the liquid material supply port, a selector valve having a first channel for allowing communication between the metering bore and the liquid material supply channel and a second channel for allowing communication between the metering bore and the nozzle, a plunger advancing and retracting in the metering bore, a plunger driving section for driving the plunger, a valve driving section for driving the selector valve, and a transmission section for transmitting driving power from the valve driving section to the selector valve. The plunger driving section, the valve driving section, and the valve block are arranged successively in the longitudinal direction.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: September 7, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11071996
    Abstract: A liquid material discharge device (20) has a nozzle member (35) provided with a discharge opening (33) through which a liquid material is discharged, a switching valve (51) in communication with the nozzle member, and a discharge controller. The discharge device further includes a pressurization section (60) having a pressurization passage (62) through which the liquid material under pressurization is supplied to the switching valve, and a negative pressure section (70) including a shunt passage (72) where a pressure can be set to be relatively lower than that in the pressurization passage. The switching valve is changed over between a first position at which the discharge opening communicates with the pressurization passage and the discharge opening is cut off from the shunt passage, and a second position where the discharge opening is communicated with the shunt passage and the discharge opening is cut off from the pressurization passage.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: July 27, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Publication number: 20210220863
    Abstract: A liquid material discharge device and method capable of suppressing generation of bubbles caused with a rod raising operation in a negative pressure environment. In a liquid material discharge device used in a negative pressure space and including a storage container; a compressed-gas supply source pressurizing the storage container; a nozzle having a discharge flow path; a reciprocating valve rod; an actuator driving the valve rod; a valve seat having a communication hole that is communicated with the discharge flow path; and a discharge control device controlling the actuator to open and close the communication hole by a tip of the valve rod, the discharge control device controls an acceleration time Au in rising of the valve rod by the actuator to be held within a range of 2 to 300 [ms], thus preventing generation of bubbles caused with the rising of the valve rod.
    Type: Application
    Filed: May 25, 2017
    Publication date: July 22, 2021
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11059069
    Abstract: A liquid material discharge device includes a discharge member made of a rod-shaped body, a liquid chamber which is wider than the discharge member and in which a tip portion of the discharge member is disposed, a discharge port in communication with the liquid chamber, a liquid feed path establishing communication between the liquid chamber and a liquid material storage container, a drive device driving the discharge member, and a main body. The liquid material discharge device further includes an elongate insert member that is removably inserted into the liquid feed path without cutting the communication between the liquid chamber and the liquid material storage container.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 13, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Publication number: 20210187529
    Abstract: A liquid material discharge device includes: a plunger including a piston formed at a rear end a piston chamber in which the piston is disposed and to which pressurized gas is supplied; a pressure supply device that supplies, to the piston chamber, air pressurized in excess of the urging force of the elastic body, or that purges pressurized air out of the piston chamber, the liquid material discharge device discharging the liquid material from the discharge port by causing the plunger to move forward and applying an inertial force to the liquid material; a booster circuit that communicates the pressure supply device and an air source with each other, and the booster circuit includes a first and a second booster system including a booster valve and a pressure reducing valve, and a merging section in which the first booster system and the second booster system merge together.
    Type: Application
    Filed: February 20, 2017
    Publication date: June 24, 2021
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Publication number: 20210193080
    Abstract: There is provided a character string display device including a character string display unit (10) including a plurality of display elements (110) arrayed two-dimensionally, and a display controller (20) configured to cause the character string display unit (10) to display a predetermined character string pattern by controlling display states of the plurality of display elements (110). In the character string display device, the display controller (20) is configured to cause the character string display unit (10) to display the character string pattern such that there is no blank line between consecutive character patterns of the character string pattern and that, when two display elements corresponding to the respective consecutive character patterns are adjacent to each other, a character pattern part corresponding to one of the adjacent display elements (110) is not displayed.
    Type: Application
    Filed: July 22, 2019
    Publication date: June 24, 2021
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 11001085
    Abstract: An application device and an application method are disclosed which enable a three-dimensional applying and drawing process to be performed without provision of any rotary mechanism on a discharge head. The application device comprises a discharge head that includes a discharge device having a discharge port opened in a Z direction, a stage that holds a workpiece, a set of XYZ relatively-moving devices that moves the discharge head and the stage relative to each other, an R-axis rotation device that rotates the stage about an R-axis parallel to an XY plane, a P-axis rotation device that rotates the stage about a P-axis parallel to the XY plane, the P-axis extending in a different direction from the R-axis, a control device, and a stand, wherein the P-axis rotation device is disposed under the R-axis rotation device, and the P-axis rotation device rotates the stage and the R-axis rotation device together.
    Type: Grant
    Filed: November 1, 2018
    Date of Patent: May 11, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Publication number: 20210126405
    Abstract: Problems: To provide a cable unit that can save space for a work space, and a liquid material supply device and an application device including the cable unit. Solution: A cable unit 30 that detachably and electrically connects a discharge head 10 configured to discharge a liquid material with a relative-moving robot 20 configured to carry out relative movement between the discharge head 10 and a workpiece 25, the cable unit having a dispense controller 33 configured to control a discharge operation of the discharge head 10, and a liquid material supply device and an application device including the cable unit.
    Type: Application
    Filed: April 24, 2018
    Publication date: April 29, 2021
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Publication number: 20210078336
    Abstract: [Problem] To provide a droplet ejection device and a droplet ejection method with which a liquid material can be continuously delivered to an ejection head when the liquid material is delivered between arbitrary tanks.
    Type: Application
    Filed: December 17, 2018
    Publication date: March 18, 2021
    Applicant: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: 10913279
    Abstract: A liquid material filling device and method are provided which are intended to prevent air bubbles from remaining along an entire length of a flow passage extending from a liquid material reservoir (51) to a discharge port (53). The liquid material filling device includes a chamber (10) of an airtight structure, a pressure regulator (70) for regulating pressure in the chamber (10), and a control device (100). The liquid material is filled as follows. A negative pressure supply source (71) is communicated with a chamber communication pipe (90) and with a discharge device communication pipe (91) to reduce the pressure in the chamber (10) and pressure in an upper space of the reservoir (51) to a vacuum or a low pressure level close to a vacuum, and a resulted low-pressure state is maintained for a certain time to expel out air bubbles in the liquid material.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: February 9, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: D931423
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: September 21, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima
  • Patent number: D936189
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: November 16, 2021
    Assignee: MUSASHI ENGINEERING, INC.
    Inventor: Kazumasa Ikushima