Patents by Inventor Hajime Miyazaki
Hajime Miyazaki 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: 20140105772Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: December 19, 2013Publication date: April 17, 2014Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Publication number: 20140105771Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: December 19, 2013Publication date: April 17, 2014Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Publication number: 20140044565Abstract: A fluid transporter which transports fluid by pressing a plurality of radially disposed pressing shafts against a tube held in a circular-arc shape in directions from the inside of the circular-arc shape in accordance with rotation of a rotational pressing plate having a plurality of projections on the outer circumference thereof so as to allow flow of fluid includes: a first detecting section which detects the rotation angle of the rotational pressing plate; a second detecting section which detects the rotation angle of either a driving rotor for giving a rotational force to the rotational pressing plate or a reduction transmission mechanism for connecting the driving rotor and the rotational pressing plate; a data table which shows the relationship between the rotation angle of the rotational pressing plate and a cumulative delivery amount; and a controller which controls the drive of the driving rotor.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Publication number: 20140044566Abstract: A fluid transporter which transports fluid by pressing a plurality of radially disposed pressing shafts against a tube held in a circular-arc shape in directions from the inside of the circular-arc shape in accordance with rotation of a rotational pressing plate having a plurality of projections on the outer circumference thereof so as to allow flow of fluid includes: a first detecting section which detects the rotation angle of the rotational pressing plate; a second detecting section which detects the rotation angle of either a driving rotor for giving a rotational force to the rotational pressing plate or a reduction transmission mechanism for connecting the driving rotor and the rotational pressing plate; a data table which shows the relationship between the rotation angle of the rotational pressing plate and a cumulative delivery amount; and a controller which controls the drive of the driving rotor.Type: ApplicationFiled: October 18, 2013Publication date: February 13, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Hajime Miyazaki, Kazuo Kawasumi
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Publication number: 20140003984Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: September 4, 2013Publication date: January 2, 2014Applicant: SEIKO EPSON CORPORATIONInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Publication number: 20130296775Abstract: A fluid injection system includes: a first apparatus which is attached to a human body and injects a fluid into the human body; and a second apparatus which is attached to a wrist of the human body and remotely controls the first apparatus, wherein the second apparatus includes an entry section accepting an entry of an operation command to the first apparatus and a first communicating section transmitting the operation command to the first apparatus, and the first apparatus includes a second communicating section receiving the operation command, a storing section storing the fluid, and a transporting section transporting the fluid from the storing section and injecting the fluid into the human body based on the operation command.Type: ApplicationFiled: July 11, 2013Publication date: November 7, 2013Inventors: Hajime MIYAZAKI, Atsuya HIRABAYASHI, Yasuharu HASHIMOTO
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Publication number: 20130287614Abstract: A micropump including a tube unit and a control unit. The control unit has a plurality of fingers. A cam sequentially presses the plurality of fingers from an inlet side to an outlet side of the tube. A drive unit gives rotation force to the cam, a control circuit unit controls operation of the drive unit, and a device frame holds the plurality of fingers, the cam, the drive unit, and the control circuit unit. A reservoir communicates with an inlet port of the tube; and a power source supplies power to the control circuit unit, wherein the tube unit is detachably attached to the control unit substantially in the horizontal direction with respect to the rotation surface of the cam and attached to the inside of a space produced by the device frame.Type: ApplicationFiled: June 27, 2013Publication date: October 31, 2013Inventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20130287606Abstract: A micropump including a tube unit including an elastic tube disposed in an arc shape, a plurality of fingers disposed radially from the arc shape of the tube, and a guide frame, which holds the tube and the plurality of fingers. The micropump also includes a control unit including a cam that presses the plurality of fingers, a drive section that applies torque to the cam, a control circuit that carries out a drive control of the drive section, and a machine casing that holds the cam, drive section, and control circuit. The tube unit is mountable in and removable from the control unit in a direction approximately parallel to the plane of rotation of the cam, and is mounted inside a space provided in the machine casing.Type: ApplicationFiled: June 27, 2013Publication date: October 31, 2013Inventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20130287612Abstract: A micropump has a tube unit including a tube and a plurality of fingers, and a control unit including a cam. The tube unit is coupled to the control unit. The control unit encases the tube unit.Type: ApplicationFiled: June 27, 2013Publication date: October 31, 2013Inventors: Hajime MIYAZAKI, Kazuo KAWASUMI
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Publication number: 20130243632Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: May 9, 2013Publication date: September 19, 2013Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Publication number: 20130243633Abstract: A fluid transporting device includes an elastic tube, a tube frame that holds the elastic tube in an arc, a rotary push plate arranged in the arc for facilitating fluid flow inside the elastic tube, and a plurality of push pins disposed between the elastic tube and the center of the arc. Each push pin includes a semispherical end portion that contacts the rotary push plate, a pushing end portion that places a bias on the elastic tube, and adjacent end portions of at least two push pins close the elastic tube when the semispherical end portions are pushed by an outer circumference arc of the rotary push plate.Type: ApplicationFiled: May 9, 2013Publication date: September 19, 2013Applicant: Seiko Epson CorporationInventors: Hajime MIYAZAKI, Kazuo KAWASUMI, Kenichi USHIKOSHI
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Patent number: 8506523Abstract: A fluid injection system includes: a first apparatus which is attached to a human body and injects a fluid into the human body; and a second apparatus which is attached to a wrist of the human body and remotely controls the first apparatus, wherein the second apparatus includes an entry section accepting an entry of an operation command to the first apparatus and a first communicating section transmitting the operation command to the first apparatus, and the first apparatus includes a second communicating section receiving the operation command, a storing section storing the fluid, and a transporting section transporting the fluid from the storing section and injecting the fluid into the human body based on the operation command.Type: GrantFiled: March 17, 2011Date of Patent: August 13, 2013Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Atsuya Hirabayashi, Yasuharu Hashimoto
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Patent number: 8491286Abstract: A micropump includes: a tube unit which includes a tube having elasticity and a circular-arc-shaped part, a plurality of fingers extending in radial directions from the circular-arc center of the circular-arc shape of the tube, and a tube guide frame which holds the tube and the plural fingers; a control unit which includes a cam for sequentially pressing the plural fingers from the fluid flow-in side to the fluid flow-out side of the tube, a rotor for giving rotational force to the cam, and an oscillator having a piezoelectric element and a projection disposed at an end in the longitudinal direction to contact the rotor; a reservoir which communicates with a flow inlet portion of the tube; a control circuit unit which inputs a drive signal to the piezoelectric element; and a power source which supplies power to the control circuit unit, wherein the tube unit is attachable to and detachable from the control unit substantially in the horizontal direction with respect to the rotation flat plane of the cam, andType: GrantFiled: November 23, 2009Date of Patent: July 23, 2013Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8491284Abstract: A micropump including a tube unit including an elastic tube disposed in an arc shape, a plurality of fingers disposed radially from the arc shape of the tube, and a guide frame, which holds the tube and the plurality of fingers. The micropump also includes a control unit including a cam that presses the plurality of fingers, a drive section that applies torque to the cam, a control circuit that carries out a drive control of the drive section, and a machine casing that holds the cam, drive section, and control circuit. The tube unit is mountable in and removable from the control unit in a direction approximately parallel to the plane of rotation of the cam, and is mounted inside a space provided in the machine casing.Type: GrantFiled: August 18, 2009Date of Patent: July 23, 2013Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8491283Abstract: A micropump including a tube unit and a control unit. The control unit has a plurality of fingers. A cam sequentially presses the plurality of fingers from an inlet side to an outlet side of the tube. A drive unit gives rotation force to the cam, a control circuit unit controls operation of the drive unit, and a device frame holds the plurality of fingers, the cam, the drive unit, and the control circuit unit. A reservoir communicates with an inlet port of the tube; and a power source supplies power to the control circuit unit, wherein the tube unit is detachably attached to the control unit substantially in the horizontal direction with respect to the rotation surface of the cam and attached to the inside of a space produced by the device frame.Type: GrantFiled: July 24, 2009Date of Patent: July 23, 2013Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8353683Abstract: A micropump of peristaltic drive system of pressing a tube having elasticity to transport a fluid is disclosed. The micropump includes: a pump module including the tube, a cam that presses the tube, and a cam shaft on which the cam is pivotally mounted; a drive module including a drive force transmission mechanism that transmits a drive force from a motor to the cam shaft; a coupling member that detachably couples the pump module and the drive module; and a linkage mechanism provided between the motor and the cam shaft to link the drive force.Type: GrantFiled: May 22, 2008Date of Patent: January 15, 2013Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Mamoru Miyasaka, Kazuo Kawasumi
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Patent number: 8317500Abstract: A fluid transportation system includes: an elastic tube; a tube frame having a tube guide groove to which the tube is attached in a circular arc; a cam driving wheel interior of the tube and having a rotational center coinciding with the center of the circular arc of the tube guide groove; a first cam fixed to a center shaft of the cam driving wheel; a second cam rotatably supported by the center shaft; and a plurality of fingers radially extending from the rotation center between the tube and the first and second cams and pressing the tube by the rotation of the first and second cams, wherein when the fluid transportation system starts to operate, the first and second cams produce a state in which the second cam is attached to the first cam and at least one of the plural fingers closes the tube.Type: GrantFiled: December 15, 2011Date of Patent: November 27, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Mamoru Miyasaka, Kazuo Kawasumi
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Patent number: 8303275Abstract: A micropump of a peristaltic type that continuously transfers a fluid through depression of an elastic tube is disclosed. The micropump includes: a tube unit that includes the tube, a tube guide frame that fixedly holds the tube, a tube individual data storage section that stores tube individual data, and a depression mechanism section for depressing the tube; a control unit that is attachable to the tube unit, and includes a control circuit section that drives and controls a motor for driving the depression mechanism section, and a tube individual data processing section including a reader/writer unit that reads the tube individual data; and a power supply that makes an electrical supply to the control unit. In the micropump, the tube individual data is used as a basis for driving.Type: GrantFiled: December 6, 2007Date of Patent: November 6, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8251954Abstract: A fluid transportation system includes a fluid transportation device housing a flexible tube, a pump unit for ejecting a fluid by squeezing the tube, a communication section, and a battery, an ejection data processing device having an input device for inputting to the fluid transportation device a driving condition for ejecting a desired ejection amount of the fluid, a display section for displaying at least the driving condition, and a communication device for connecting the fluid transportation device and the ejection data processing device to each other, wherein the fluid transportation device is driven based on the driving condition input from the ejection data processing device.Type: GrantFiled: April 24, 2006Date of Patent: August 28, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Kazuo Kawasumi
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Patent number: 8246321Abstract: A micropump includes: a tube unit including a tube which has elasticity, and one portion of which is disposed in an arc shape, a plurality of fingers, which are disposed radiating from a direction of a center of the arc shape of the tube, and a guide frame, which holds the tube and the plurality of fingers; and a control unit including a cam, which sequentially presses the plurality of fingers in a direction in which a liquid flows, a drive force transmission mechanism, which transmits a torque to the cam, and a control circuitry, which carries out a control of a motor which drives the drive force transmission mechanism, wherein the tube unit and the control unit are attached stacked one on the other, and are detachable.Type: GrantFiled: February 12, 2009Date of Patent: August 21, 2012Assignee: Seiko Epson CorporationInventors: Hajime Miyazaki, Mamoru Miyasaka, Kazuo Kawasumi