Patents by Inventor Nobuya SUNAGA
Nobuya SUNAGA 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: 20240091768Abstract: This liquid handling system comprises a flow channel chip, a chip holder, a cartridge housing liquid to be introduced to the flow channel chip, and a liquid handling device for controlling the flow of the liquid within the flow channel chip housed in the chip holder. The flow channel chip, the chip holder, or the liquid handling device includes a first engaging part, and the cartridge includes a second engaging part. The first engaging part and the second engaging part are configured such that when the first engaging part and the second engaging part are detachably engaged, a communicating pipe of the cartridge is connected to an introduction port of the flow channel chip and packing on the cartridge is pressed by the introduction port.Type: ApplicationFiled: February 25, 2021Publication date: March 21, 2024Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Publication number: 20240093683Abstract: This fluid handling system has: a fluid handling device that includes a flow path and a rotary membrane pump that is connected to the flow path and has a diaphragm for causing fluid to flow along the flow path; and a rotary member that has a protrusion for pressing the diaphragm of the rotary membrane pump. The width of the rotary member protrusion is less than the width of the diaphragm of the rotary membrane pump.Type: ApplicationFiled: January 22, 2021Publication date: March 21, 2024Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Publication number: 20240085443Abstract: This liquid handling device comprises a first flow path, a second flow path, a third flow path, an introduction opening, a discharge opening, an introduction valve, and a discharge valve. The third flow path comprises a first area under detection that is disposed in the third flow path and includes a roughened surface so as to have light emitted thereon for the purpose of transmitted light or reflected light detection and a second area under detection that is disposed further to one side of the third flow path than the first area under detection and includes a roughened surface so as to have light emitted thereon for the purpose of transmitted light or reflected light detection.Type: ApplicationFiled: January 20, 2021Publication date: March 14, 2024Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Publication number: 20230311114Abstract: A cartridge for supplying a liquid to a channel chip is provided, and the cartridge includes the following: a main body including a liquid housing part and an elastic communication pipe for allowing a liquid housed in the liquid housing part to pass therethrough; and a pressing member configured to be able to switch a pressing state of the pressing member to the communication pipe in order to switch the communication pipe between a closed state and an opened state.Type: ApplicationFiled: March 28, 2023Publication date: October 5, 2023Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Patent number: 11738348Abstract: A first fluid handling device according to the present invention has: a first liquid introduction part; a first cleaning liquid introduction part; a first flow path through which a liquid introduced to the first liquid introduction part or to the first cleaning liquid introduction part flows; a second liquid introduction part; a second cleaning liquid introduction part; a second flow path through which a liquid introduced to the second liquid introduction part or to the second cleaning liquid introduction part flows; a third flow path which allows flowing therethrough of the liquid having flowed through the first flow path and the liquid having flowed through the second flow path; a first diaphragm valve that is disposed between the first and third flow paths; a second diaphragm valve that is disposed between the second and third flow paths; and a chamber that is connected to the third flow path.Type: GrantFiled: February 18, 2019Date of Patent: August 29, 2023Assignee: Enplas CorporationInventors: Nobuya Sunaga, Takumi Yamauchi
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Patent number: 11712695Abstract: A flow channel chip has: a common flow channel; introduction flow channels that are respectively connected to the common flow channel; introduction valves that are respectively disposed in the introduction flow channels; a cleaning liquid flow channel that is connected to the common flow channel; and a cleaning liquid valve that is disposed in the cleaning liquid flow channel. This fluid handling device has: a rotary member for controlling opening/closing of the introduction valves; and a cleaning liquid valve control unit for controlling opening/closing of the cleaning liquid valve. After the rotary member is rotated so as to open/close one of the introduction valves, the cleaning liquid valve control unit causes the cleaning liquid valve to open and causes the cleaning liquid to flow in the common flow channel before the rotary member is rotated so as to open/close another of the introduction valves.Type: GrantFiled: March 28, 2019Date of Patent: August 1, 2023Assignee: Enplas CorporationInventors: Nobuya Sunaga, Takumi Yamauchi, Satomi Yabuuchi
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Publication number: 20230158486Abstract: A fluid handling device includes: a channel chip including a well for containing a fluid, a channel connected to the well, a valve disposed on the channel, and a through hole; and a pressing member including a first protrusion and a second protrusion, the first protrusion being for pressing the valve to close the valve, the second protrusion being inserted into the through hole and being for positioning the first protrusion with respect to the valve, the pressing member being rotatable about a rotational axis extending through the second protrusion.Type: ApplicationFiled: October 4, 2022Publication date: May 25, 2023Applicant: Enplas CorporationInventors: Yasuhiro WATANABE, Nobuya SUNAGA, Koichi ONO
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Publication number: 20230128269Abstract: An object is to provide a fluid handling device which can be easily manufactured and which makes it possible for a valve to be easily opened and closed with a small force. A fluid handling device for achieving the above object includes a first region; a second region; and a valve disposed between the first region and the second region, in which the valve includes: a groove-shaped valve seat disposed in a board, and a flexible layer covering the groove-shaped valve seat, and a surface of the flexible layer facing the groove-shaped valve seat is a flat surface, a protrusion is disposed on a side of the flexible layer opposite to the groove-shaped valve seat and at a position corresponding to the groove-shaped valve seat.Type: ApplicationFiled: October 17, 2022Publication date: April 27, 2023Applicant: Enplas CorporationInventors: Seiichiro SUZUKI, Nobuya SUNAGA
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Patent number: 11623217Abstract: A liquid handling device includes a plurality of first wells configured for a first sample; a first channel connected to the plurality of first wells; a plurality of second wells configured for a second sample; a second channel connected to the plurality of second wells; a plurality of processing agent wells configured for a processing agent configured to process the first sample and the second sample; a processing agent channel connected to the plurality of processing agent wells; and a common channel connected to the first channel, the second channel and the processing agent channel.Type: GrantFiled: March 11, 2021Date of Patent: April 11, 2023Assignee: Enplas CorporationInventors: Takumi Yamauchi, Nobuya Sunaga
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Publication number: 20230095969Abstract: A liquid handling device includes: a cartridge including a first reservoir part in which a first reagent that is preservable in a non-frozen state is stored; and a channel chip including a second reservoir part in which a second reagent that should be preserved in a frozen state is stored, and a channel connected to the second reservoir part. The cartridge is attachable and detachable to and from the channel chip. The first reservoir part is connected to the channel when the cartridge is mounted in the channel chip.Type: ApplicationFiled: September 12, 2022Publication date: March 30, 2023Inventor: Nobuya Sunaga
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Publication number: 20230096416Abstract: The present invention relates to a fluid handling device which can prevent an inclination of a rotary member. The fluid handling device includes a substrate; an arc-shaped groove having a central angle more than 180° disposed on the substrate; a first protrusion located between both ends of the groove in the same circumference as the arc-shaped groove; a second protrusion disposed in the groove; and a film joined on the substrate so as to cover the groove, the first protrusion and the second protrusion. The groove closed by the film functions as a rotary membrane pump.Type: ApplicationFiled: September 30, 2021Publication date: March 30, 2023Applicant: Enplas CorporationInventors: Seiichiro SUZUKI, Nobuya SUNAGA
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Publication number: 20230097798Abstract: The present invention relates to a fluid handling device which can prevent an inclination of a rotary member. The fluid handling device includes: a substrate; a circular first groove disposed on the substrate; a second groove connected to the first groove; a third groove connected to the first groove; a film joined to the substrate so as to cover the first groove, the second groove and the third groove; and a joining area where the film and the bottom of the first groove is joined, the joining area being disposed between a connecting portion of the second groove and a connecting portion of the third groove in the first groove. The surface of the film in the joining area is located closer to the bottom of the first groove than the surface of the film in an area joined to the substrate of the film.Type: ApplicationFiled: September 30, 2021Publication date: March 30, 2023Applicant: Enplas CorporationInventors: Seiichiro SUZUKI, Nobuya SUNAGA
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Publication number: 20230094429Abstract: A cartridge of the present invention is to be used in combination with a channel chip including a channel through which a liquid flows. The cartridge includes a reservoir for storing a liquid, in which a through hole configured to be connected to the channel is opened into a bottom part of the reservoir; a liquid discarding part for discarding the liquid in the reservoir; and a connection part which is disposed above the through hole, and connects the reservoir and the liquid discarding part to each other.Type: ApplicationFiled: September 30, 2021Publication date: March 30, 2023Inventor: Nobuya SUNAGA
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Patent number: 11585448Abstract: A fluid handling device, comprising: a substrate including a first channel, a second channel and a partition wall formed between the first channel and the second channel; a film including a diaphragm, the film being disposed on the substrate so that the diaphragm faces the partition wall; and a sliding member slidable on the film while contacting with the film, the sliding member including a protrusion formed on an underside thereof, and the sliding member being disposed on the film with the underside facing the film, wherein: the sliding member is capable of switching between a first state and a second state by sliding on the film, wherein the protrusion is positioned so as not to face the partition wall with the diaphragm therebetween in the first state, and the protrusion is positioned so as to face the partition wall with the diaphragm therebetween in the second state.Type: GrantFiled: November 23, 2021Date of Patent: February 21, 2023Assignee: ENPLAS CORPORATIONInventors: Koichi Ono, Nobuya Sunaga
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Patent number: 11541389Abstract: This fluid handling device has a rotary member that is rotatable around the central axis. In the rotary member, a first protruding part for pressing and closing a valve of a flow channel chip and a recessed part for opening the valve without pressing the valve are disposed on the circumference of a first circle around the central axis. The rotary member further has a second protruding part for, when the recessed part is located at the valve in a state where the rotary member is rotated, pressing the valve so as not to open the valve.Type: GrantFiled: March 25, 2019Date of Patent: January 3, 2023Assignee: ENPLAS CORPORATIONInventors: Nobuya Sunaga, Takumi Yamauchi, Satomi Yabuuchi
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Patent number: 11511276Abstract: A liquid handling device includes a common channel, a plurality of wells, a magnetic beads chamber and a plurality of valves. The plurality of valves are rotary membrane valves disposed on the circumference of a first circle. The magnetic beads chamber is disposed on a circumference of the second circle concentric with the first circle.Type: GrantFiled: March 11, 2021Date of Patent: November 29, 2022Assignee: Enplas CorporationInventor: Nobuya Sunaga
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Publication number: 20220371004Abstract: The present invention aims to provide a fluid handling device which can be manufactured more conveniently, can easily open and close a channel, and can be miniaturized. The fluid handling device of the present invention includes: a first channel; a second channel; and a valve disposed between the first channel and the second channel, in which the valve includes: a groove-shaped valve seat disposed in a board, and a flat plate-shaped flexible layer covering the groove-shaped valve seat, and the valve communicates between the first channel and the second channel when the flat plate-shaped flexible layer and a bottom of the groove-shaped valve seat are spaced apart from each other, and blocks communication between the first channel and the second channel when the flat plate-shaped flexible layer and an inner wall of the groove-shaped valve seat are in contact with each other.Type: ApplicationFiled: May 15, 2022Publication date: November 24, 2022Applicant: Enplas CorporationInventors: Nobuya SUNAGA, Seiichiro SUZUKI, Koichi ONO
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Patent number: 11471883Abstract: A fluid chip suitable for a fluid device is disclosed in which an upper surface of a flow passage has another member bonded thereto. The disclosed fluid chip, in which a flow passage is formed, comprises a base material having a top surface forming at least a portion of a bottom surface of a flow passage, and a bonding member which is formed from an elastomer resin and an upper end surface of which is provided in a position higher than the top surface of the base material. The base material has a support post portion which projects from the top surface and defines the height of a side surface of the flow passage, and the support post portion of the base material is embedded in the bonding member.Type: GrantFiled: November 9, 2018Date of Patent: October 18, 2022Assignee: Enplas CorporationInventors: Takumi Yamauchi, Nobuya Sunaga
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Patent number: 11446666Abstract: The objective of the present invention is to provide a fluid handling device capable of easily isolating droplets. This objective is achieved by means of a fluid handling device which includes a first flow passage through the interior of which, when a fluid containing a droplet is delivered, the droplet can move, a first chamber which captures the droplet moving through the first flow passage, a second chamber into which the droplet captured by the first chamber can move, and a second flow passage providing communication between the first chamber and the second chamber, wherein the second flow passage is capable of selectively allowing the droplet to pass, or restricting passage of the droplet.Type: GrantFiled: February 18, 2019Date of Patent: September 20, 2022Assignee: Enplas CorporationInventor: Nobuya Sunaga
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Patent number: 11396018Abstract: A fluid handling device has an introduction port, a first flow channel which is connected to the introduction port and in which a droplet can move when a fluid including the droplet is caused to flow therein, a first chamber for capturing the droplet moving through the first flow channel, and a second chamber through which the droplet captured by the first chamber can move via the first flow channel. The liquid handling device is capable of switching between a first state in which a droplet moving through the first flow channel is captured by the first chamber, and a second state in which the droplet captured by the first chamber moves to the second chamber via the first flow channel.Type: GrantFiled: February 12, 2019Date of Patent: July 26, 2022Assignee: Enplas CorporatiomInventor: Nobuya Sunaga