Patents by Inventor Osamu Mizoguchi
Osamu Mizoguchi 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).
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Publication number: 20240103069Abstract: An electrical test of a semiconductor device is conducted by electrically connecting a plurality of leads of the semiconductor device with a plurality of electrodes of a test board via a plurality of socket terminals of a socket of a test apparatus, respectively. At least a part of the socket is disposed inside a chamber of the test apparatus, and the test board is disposed outside the chamber. The semiconductor device is to be cooled by a cool air circulating in the chamber. The socket has a cavity portion through which the cool air circulating in the chamber can pass, and a part of each of the plurality of socket terminals is exposed in the cavity portion of the socket. The plurality of socket terminals is to be cooled by the cool air passing through the cavity portion of the socket.Type: ApplicationFiled: June 8, 2023Publication date: March 28, 2024Inventor: Osamu MIZOGUCHI
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Patent number: 11602875Abstract: A mold unit (30) defines an elongate cavity (70) and has an injection inlet port (90) for a viscous material at one end of the cavity and an injection outlet port (92) at the other end of the cavity. The mold unit includes a gas vent formed by a gap (G2) between two parts of the mold unit. The gap extends continuously or intermittently in the length direction of the the mold unit, while penetrating through the mold unit in the thickness direction such that it provides fluid communication between an interior space and an exterior space of the cavity. The gap is shaped such that, although gasses pass through, the viscous material does not pass due to fluidity resistance of the viscous material resulting from its viscosity. As a result, the gas vent acts to block leakage of the viscous material while permitting degassing of the viscous material.Type: GrantFiled: December 5, 2017Date of Patent: March 14, 2023Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa, Kyota Imai
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Patent number: 11285449Abstract: A method for producing a sealant includes a weighing and mixing step, a kneading step, a stirring and defoaming step, and a filling step. In the weighing and mixing step, a main component and a curing agent are weighed and mixed together. In the kneading step, the mixture mixed in the weighing and mixing step is kneaded. In the stirring and defoaming step, the kneaded product kneaded in the kneading step is stirred and defoamed. In the filling step, the kneaded product defoamed in the stirring and defoaming step is filled into a container. In the stirring and defoaming step, the kneaded product is stirred under a condition wherein a stirring rotational speed at which the kneaded product is stirred and a stirring time for which the kneaded product is stirred are within a range from an arithmetic product lower limit value to an arithmetic product upper limit value.Type: GrantFiled: March 22, 2018Date of Patent: March 29, 2022Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., KAGA SANGYO CO., LTD., KAGA WORKS CO., LTD.Inventors: Shigemi Yamane, Osamu Mizoguchi, Hitoshi Tsujikawa
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Publication number: 20200316539Abstract: A method for producing a sealant includes a weighing and mixing step, a kneading step, a stirring and defoaming step, and a filling step. In the weighing and mixing step, a main component and a curing agent are weighed and mixed together. In the kneading step, the mixture mixed in the weighing and mixing step is kneaded. In the stirring and defoaming step, the kneaded product kneaded in the kneading step is stirred and defoamed. In the filling step, the kneaded product defoamed in the stirring and defoaming step is filled into a container. In the stirring and defoaming step, the kneaded product is stirred under a condition wherein a stirring rotational speed at which the kneaded product is stirred and a stirring time for which the kneaded product is stirred are within a range from a product lower limit value to a product upper limit value.Type: ApplicationFiled: March 22, 2018Publication date: October 8, 2020Inventors: Shigemi YAMANE, Osamu MIZOGUCHI, Hitoshi TSUJIKAWA
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Publication number: 20200298451Abstract: A mold unit (30) defines an elongate cavity (70) and has an injection inlet port (90) for a viscous material at one end of the cavity and an injection outlet port (92) at the other end of the cavity. The mold unit includes a gas vent formed by a gap (G2) between two parts of the mold unit. The gap extends continuously or intermittently in the length direction of the the mold unit, while penetrating through the mold unit in the thickness direction such that it provides fluid communication between an interior space and an exterior space of the cavity. The gap is shaped such that, although gasses pass through, the viscous material does not pass due to fluidity resistance of the viscous material resulting from its viscosity. As a result, the gas vent acts to block leakage of the viscous material while permitting degassing of the viscous material.Type: ApplicationFiled: December 5, 2017Publication date: September 24, 2020Inventors: Osamu MIZOGUCHI, Hitoshi Tsujikawa, Kyota IMAI
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Patent number: 10507487Abstract: A cartridge usable in a viscous-material dispenser includes a cylinder, a plunger in the cylinder, and a plurality of ribs extending radially from an outer surface of the plunger to an inner surface of the cylinder. The ribs are circumferentially separated by a plurality of clearances, and the ribs and the clearances extend in an axial direction. Each of the plurality of clearances is defined by two adjacent ribs. The ribs and clearances are configured to allow the venting of gas through the clearances during a beginning of a cartridge filling operation and to impede the movement of the viscous material through the clearances during a remainder of the cartridge filling operation such that, at an end of the cartridge filling operation, the ribs and bodies of the viscous material in the clearances form an airtight seal between the plunger and the cylinder.Type: GrantFiled: April 8, 2019Date of Patent: December 17, 2019Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa, Kyota Imai, Akira Kanazawa
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Patent number: 10493668Abstract: Molding methods and molds for making a synthetic resin molded product include disposing a curable liquid resin mixture in a recess of a female mold. The curable liquid resin mixture is then simultaneously agitated and degassed by a mixer while under a partial vacuum. More specifically, at least the female mold is orbited around an orbital axis while being rotated about a rotational axis that is eccentric to the orbital axis. After being thoroughly mixed and degassed, the liquid mixture is then cured in the mold unit.Type: GrantFiled: December 10, 2018Date of Patent: December 3, 2019Assignee: KAGA SANGYO CO., LTD.Inventors: Osamu Mizoguchi, Takayuki Nomura, Hitoshi Tsujikawa, Yoshiki Ikeda
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Patent number: 10479587Abstract: A cartridge (12) for a viscous-material dispenser includes a plunger (10) that is slidable within a cylinder (18). A seal body (104) forms between an outer circumferential surface (82) of the plunger and an inner circumferential surface (84) of the cylinder when a viscous material flows into a radial tubular clearance (106) that continuously extends both axially and circumferentially between the outer circumferential surface and the inner circumferential surface. Ridges (100) may be formed on the outer circumferential surface of the plunger to guide the inflowing viscous material and facilitate the formation of the seal body.Type: GrantFiled: August 21, 2015Date of Patent: November 19, 2019Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa, Kyota Imai, Akira Kanazawa
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Publication number: 20190232331Abstract: A cartridge usable in a viscous-material dispenser includes a cylinder, a plunger in the cylinder, and a plurality of ribs extending radially from an outer surface of the plunger to an inner surface of the cylinder. The ribs are circumferentially separated by a plurality of clearances, and the ribs and the clearances extend in an axial direction. Each of the plurality of clearances is defined by two adjacent ribs. The ribs and clearances are configured to allow the venting of gas through the clearances during a beginning of a cartridge filling operation and to impede the movement of the viscous material through the clearances during a remainder of the cartridge filling operation such that, at an end of the cartridge filling operation, the ribs and bodies of the viscous material in the clearances form an airtight seal between the plunger and the cylinder.Type: ApplicationFiled: April 8, 2019Publication date: August 1, 2019Inventors: Osamu MIZOGUCHI, Hitoshi Tsujikawa, Kyota IMAI, Akira KANAZAWA
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Patent number: 10336478Abstract: A method for transferring a viscous material from a container into a dispensing syringe having first and second ends, the second end being a discharge port smaller than the inner diameter of the main body portion, includes inserting into the syringe a plug configured to permit gas flow in only one direction to divide a chamber within the syringe into a first sub-chamber in communication with the discharge port and a second sub-chamber in communication with the first open end of the syringe. Then, a rod is inserted into the syringe from the first open end of the syringe to engage the plug, and the viscous material is extruded from the container and through the discharge port into the first sub-chamber of the syringe. While the first sub-chamber is being filled with the viscous material, the plug and the rod are moving away from the discharge port.Type: GrantFiled: July 6, 2017Date of Patent: July 2, 2019Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa
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Patent number: 10293361Abstract: A cartridge for a viscous-material dispenser includes a cylinder and a plunger axially slidably fitted in the cylinder and dividing the cylinder into a filling chamber and a pressurizing chamber and includes a plurality of solid spacers in an annular gap between the plunger and the cylinder for maintaining a minimum spacing between the plunger and the cylinder. The spacers at least partially define a plurality of passages that fluidically connect the filling and pressurizing chambers and are configured such that a first portion of the viscous material extending from the filling chamber into the plurality of passages forms a seal together with the solid spacers to prevent a second portion of the viscous material located in the filling chamber from entering the plurality of passages.Type: GrantFiled: October 17, 2016Date of Patent: May 21, 2019Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa, Kyota Imai, Akira Kanazawa
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Publication number: 20190105809Abstract: Molding methods and molds for making a synthetic resin molded product include disposing a curable liquid resin mixture in a recess of a female mold. The curable liquid resin mixture is then simultaneously agitated and degassed by a mixer while under a partial vacuum. More specifically, at least the female mold is orbited around an orbital axis while being rotated about a rotational axis that is eccentric to the orbital axis. After being thoroughly mixed and degassed, the liquid mixture is then cured in the mold unit.Type: ApplicationFiled: December 10, 2018Publication date: April 11, 2019Inventors: Osamu MIZOGUCHI, Takayuki NOMURA, Hitoshi TSUJIKAWA, Yoshiki IKEDA
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Patent number: 10189189Abstract: Molding methods and molds for making a synthetic resin molded product include disposing a curable liquid resin mixture in a recess of a female mold. The curable liquid resin mixture is then simultaneously agitated and degassed by a mixer while under a partial vacuum. More specifically, at least the female mold is orbited around an orbital axis while being rotated about a rotational axis that is eccentric to the orbital axis. After being thoroughly mixed and degassed, the liquid mixture is then cured in the mold unit.Type: GrantFiled: July 14, 2017Date of Patent: January 29, 2019Assignee: KAGA SANGYO CO., LTD.Inventors: Osamu Mizoguchi, Takayuki Nomura, Hitoshi Tsujikawa, Yoshiki Ikeda
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Publication number: 20180297054Abstract: A cartridge for a viscous-material dispenser includes a cylinder and a plunger axially slidably fitted in the cylinder and dividing the cylinder into a filling chamber and a pressurizing chamber and includes a plurality of solid spacers in an annular gap between the plunger and the cylinder for maintaining a minimum spacing between the plunger and the cylinder. The spacers at least partially define a plurality of passages that fluidically connect the filling and pressurizing chambers and are configured such that a first portion of the viscous material extending from the filling chamber into the plurality of passages forms a seal together with the solid spacers to prevent a second portion of the viscous material located in the filling chamber from entering the plurality of passages.Type: ApplicationFiled: October 17, 2016Publication date: October 18, 2018Inventors: Osamu MIZOGUCHI, Hitoshi TSUJIKAWA, Kyota IMAI, Akira KANAZAWA
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Patent number: 10046872Abstract: A method for transferring a viscous material from a container into a dispensing syringe having first and second ends, the second end being a discharge port smaller than the inner diameter of the main body portion, includes inserting into the syringe a plug configured to permit gas flow in only one direction to divide a chamber within the syringe into a first sub-chamber in communication with the discharge port and a second sub-chamber in communication with the first open end of the syringe. Then, a rod is inserted into the syringe from the first open end of the syringe to engage the plug, and the viscous material is extruded from the container and through the discharge port into the first sub-chamber of the syringe. While the first sub-chamber is being filled with the viscous material, the plug and the rod are moving away from the discharge port.Type: GrantFiled: July 6, 2017Date of Patent: August 14, 2018Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa
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Publication number: 20170312945Abstract: Molding methods and molds for making a synthetic resin molded product include disposing a curable liquid resin mixture in a recess of a female mold. The curable liquid resin mixture is then simultaneously agitated and degassed by a mixer while under a partial vacuum. More specifically, at least the female mold is orbited around an orbital axis while being rotated about a rotational axis that is eccentric to the orbital axis. After being thoroughly mixed and degassed, the liquid mixture is then cured in the mold unit.Type: ApplicationFiled: July 14, 2017Publication date: November 2, 2017Inventors: Osamu MIZOGUCHI, Takayuki NOMURA, Hitoshi TSUJIKAWA, Yoshiki IKEDA
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Publication number: 20170297751Abstract: A method for transferring a viscous material from a container into a dispensing syringe having first and second ends, the second end being a discharge port smaller than the inner diameter of the main body portion, includes inserting into the syringe a plug configured to permit gas flow in only one direction to divide a chamber within the syringe into a first sub-chamber in communication with the discharge port and a second sub-chamber in communication with the first open end of the syringe. Then, a rod is inserted into the syringe from the first open end of the syringe to engage the plug, and the viscous material is extruded from the container and through the discharge port into the first sub-chamber of the syringe. While the first sub-chamber is being filled with the viscous material, the plug and the rod are moving away from the discharge port.Type: ApplicationFiled: July 6, 2017Publication date: October 19, 2017Inventors: Osamu MIZOGUCHI, Hitoshi TSUJIKAWA
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Publication number: 20170275079Abstract: A cartridge (12) for a viscous-material dispenser includes a plunger (10) that is slidable within a cylinder (18). A seal body (104) forms between an outer circumferential surface (82) of the plunger and an inner circumferential surface (84) of the cylinder when a viscous material flows into a radial tubular clearance (106) that continuously extends both axially and circumferentially between the outer circumferential surface and the inner circumferential surface. Ridges (100) may be formed on the outer circumferential surface of the plunger to guide the inflowing viscous material and facilitate the formation of the seal body.Type: ApplicationFiled: August 21, 2015Publication date: September 28, 2017Applicant: KAGA WORKS CO., LTD.Inventors: Osamu MIZOGUCHI, Hitoshi TSUJIKAWA, Kyota IMAI, Akira KANAZAWA
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Patent number: 9731846Abstract: A method for transferring a viscous material into a syringe that has a plug dividing a syringe interior into a first sub-chamber and a second sub-chamber, where a radial clearance exists between the plug and the syringe, includes transferring the viscous material from a container into the first sub-chamber to fill the first sub-chamber while allowing air initially present within the first sub-chamber to flow into the second sub-chamber via the radial clearance, and flowing a first volume of the viscous material into but not through the radial clearance such that the viscosity of the first volume of the viscous material and the radial clearance cooperate to block a flow of a second volume of the viscous material into the radial clearance and prevent the second volume of the viscous material from leaking from the first sub-chamber into the second sub-chamber.Type: GrantFiled: April 13, 2016Date of Patent: August 15, 2017Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa
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Patent number: 9598223Abstract: A plunger is fittable within a cylinder of a pneumatic dispenser that discharges a viscous material. The plunger has a first portion located at the front, and a second portion located at the rear. The second portion is a hollow structure and has a circumferential wall. An inner circumferential surface of this circumferential wall has a tapered surface. The circumferential wall has a thickness dimension that decreases in the axial direction moving away from the first portion. Therefore, the circumferential wall easily displaces in the radial direction, because the bending stiffness decreases in the axial direction moving away from the first portion. The first portion is a solid structure that is more rigid than the second portion. The first portion also has a partition wall surface that separates the inner chamber of the second portion from the solid section of the first portion.Type: GrantFiled: November 28, 2012Date of Patent: March 21, 2017Assignee: KAGA WORKS CO., LTD.Inventors: Osamu Mizoguchi, Hitoshi Tsujikawa, Kyota Imai