Patents Assigned to Enplas Corporation
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Publication number: 20210023551Abstract: A fluid handling device according to the present invention is a fluid handling device for arranging a plurality of particles in one column while separating the particles from one another, to recover the same from a mixed solution in which the plurality of particles are collected in a surface layer or a bottom layer of a liquid. The fluid handling device according to the present invention comprises: an immersed portion for immersion in the liquid; a particle intake port opening in a surface of the immersed portion; a liquid intake port opening in a surface of the immersed portion; a particle flow passage; a liquid flow passage; a merging portion where the particle flow passage and the liquid flow passage merge; and a merged flow passage disposed downstream of the merging portion.Type: ApplicationFiled: March 25, 2019Publication date: January 28, 2021Applicant: Enplas CorporationInventor: Seiichiro SUZUKI
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Patent number: 10900636Abstract: This light flux control member comprises an incidence surface, an emission surface, and a plurality of protruding strips. The plurality of protruding strips are disposed approximately perpendicularly to a central axis. When the section perpendicular to the central axis of the incidence surface has the shape of an ellipse, at least some of the plurality of protruding strips are disposed outside a recessed part in the minor axis direction of the ellipse and along the minor axis direction. When the section of the emission surface has the shape of an ellipse, at least some of the plurality of protruding strips are disposed outside the recessed part in the major axis direction of the ellipse and along the major axis direction.Type: GrantFiled: April 19, 2018Date of Patent: January 26, 2021Assignee: Enplas CorporationInventor: Toshihiko Mochida
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Publication number: 20210018162Abstract: This luminous flux control member has: an incident surface; two reflection surfaces and two emission surfaces. The incident surface has: a first incident surface that intersects with the light axis of the light emission element; and two second incident surfaces that sandwich the first incident surface and are disposed in a Y-axis direction that the two emission surfaces face. A plurality of first projecting ridges having ridgelines that are substantially parallel to the Y-axis direction are disposed on the first incident surface. A plurality of second projecting ridges having ridgelines that are substantially parallel to the light axis are disposed on the two emission surfaces, or a plurality of third projecting ridges having ridgelines that are substantially intersecting with the first projecting ridges are disposed on at least a part of the two reflection surfaces.Type: ApplicationFiled: February 18, 2019Publication date: January 21, 2021Applicant: Enplas CorporationInventors: Akinobu SEKI, Hiroyuki SHINOHARA
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Publication number: 20210017484Abstract: A cell strainer causes fluid to flow out in a tube via a filter or causes fluid in the tube to flow in via the filter by an operation of a pipette engaged with the tube. The filter is formed into a shape such that the filter is entirely positioned in the tube when the cell strainer is engaged with the tube. A tip engaging hole press-fitted to a distal end of a tip for pipette is formed in the cell strainer. A flow passage communicating with the tip engaging hole is formed inside the cell strainer. The filter has a plurality of openings having similar shapes. The openings communicate between an inside of the flow passage and an internal space of the tube to filter out a substance larger than the openings among substances in the fluid.Type: ApplicationFiled: June 13, 2017Publication date: January 21, 2021Applicant: Enplas CorporationInventor: Kenjiro TAKI
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Publication number: 20210008558Abstract: 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: ApplicationFiled: February 18, 2019Publication date: January 14, 2021Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Publication number: 20210008545Abstract: This liquid handling device includes: a first flow passage through which a first liquid can flow; a second flow passage through which a second liquid can move; a third flow passage through which the second liquid can move; and a droplet generating unit, which is a merging portion of the second flow passage and the third flow passage with respect to the first flow passage, and which is configured in such a way that the first liquid flowing through the first flow passage is divided in the form of droplets by means of the second liquid flowing through the second flow passage and the third flow passage.Type: ApplicationFiled: February 25, 2019Publication date: January 14, 2021Applicant: Enplas CorporationInventors: Yuya OSHIMA, Nobuya SUNAGA
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Patent number: 10884197Abstract: This optical receptacle has an optical receptacle main body, a supporting member, and an adhesive. The optical receptacle main body includes a first optical surface, second optical surface, reflecting surface, first fit-in section, and recessed section. The supporting member includes: a supporting member main body; a second fit-in section fitted in the first fit-in section; and a through hole, which faces the recessed section, and which is opened in the inner-side surface of the supporting member main body, and in the outer-side surface on the reverse side of the inner-side surface. The adhesive is in contact with the inner surface of the recessed section, and the supporting member. The optical receptacle main body is disposed further toward the supporting member side than an installation surface.Type: GrantFiled: November 6, 2017Date of Patent: January 5, 2021Assignee: ENPLAS CORPORATIONInventor: Takayuki Sukegawa
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Patent number: 10869435Abstract: This emitter has an emitter body, a film, and a cover. A sealed space is formed between the cover and a portion of the film. A flow channel in the emitter include: a first through-hole that is opened in a first surface and a second surface of the emitter body; and a second through-hole that is disposed downstream of the first through-hole. The film is disposed so as to block first surface-side openings of the first through-hole and the second through-hole. The film becomes distorted toward the side of the sealed space due to deformation caused in the film when the temperature of the film exceeds a preset value and when the pressure of irrigation liquid circulating within the flow channel exceeds a preset value, thereby creating a gap between the emitter body and the film, through which the first through-hole and the second through-hole are enabled to be connected.Type: GrantFiled: July 24, 2017Date of Patent: December 22, 2020Assignee: ENPLAS CORPORATIONInventor: Daisuke Morikoshi
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Publication number: 20200393483Abstract: A fluid handling device (100) has a case (110) and a containing section (120). The containing section (120) includes a side wall formed in a substantially circular cylindrical shape, a plurality of chambers, and a plurality of communication holes. The inner peripheral surface (131) of the case (110) includes: a plurality of divided inner peripheral surfaces (132) which surround a rotation axis (RA) and which each slope toward the rotation axis (RA) as the divided inner peripheral surface (132) extends toward the bottom of the case (110); and a step surface (133) disposed between two adjacent divided inner peripheral surfaces. At least part of the outer peripheral surface of the containing section (120) is in contact with the plurality of divided inner peripheral surfaces (132) of the case.Type: ApplicationFiled: February 19, 2019Publication date: December 17, 2020Applicant: Enplas CorporationInventor: Koji NOGUCHI
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Patent number: 10850215Abstract: A mesh filter includes a circular plate-shaped mesh portion having a plurality of openings allowing a fluid to pass, a ring-shaped frame body supporting an outer periphery of the mesh portion, and a button-shaped thick portion positioned on an inner peripheral side of the mesh portion. The frame body includes a gate detachment part at one place in a circumferential direction. The mesh portion includes a plurality of inner ribs and outer ribs symmetrical with respect to an imaginary straight line passing through a center of the gate detachment part and bisecting a planar shape of the frame body. The four inner ribs are formed at regular intervals in a peripheral area of a center axis of the thick portion. The outer ribs extend radially inward from an inner peripheral surface of the frame body and are separately formed on both sides of extended lines of the respective inner ribs.Type: GrantFiled: May 9, 2017Date of Patent: December 1, 2020Assignee: ENPLAS CORPORATIONInventors: Shinichiro Okamoto, Kazuyuki Sakamaki
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Patent number: 10849285Abstract: This emitter (120) comprises: a first flow rate adjustment unit which adjusts the flow rate of an irrigation liquid according to the deformation of a first diaphragm (160); and a second flow rate adjustment unit which adjusts the amount of irrigation liquid ejected (discharged) from the emitter (120) according to the deformation of a second diaphragm (170). The first diaphragm (160) has a projection spaced apart by a space from a hole which is a flow path for the irrigation liquid. The projection has an inverted truncated cone shape and is formed so that the space widens as the projection goes into the hole.Type: GrantFiled: November 11, 2016Date of Patent: December 1, 2020Assignee: ENPLAS CORPORATIONInventor: Koji Noguchi
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Publication number: 20200368749Abstract: 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: ApplicationFiled: February 12, 2019Publication date: November 26, 2020Applicant: Enplas CorporationInventor: Nobuya SUNAGA
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Patent number: 10847915Abstract: An electrical contact and an electric component socket, in which a plurality of protruding portions come in contact with a terminal of an electric component, ensuring to prevent the defect of a large flaw formed on the terminal as well as improve durability of the electrical contact. An electrical contact 15 includes a contacting portion 31 which comes in contact with a terminal 2a of an electric component 2. The contacting portion 31 includes a plurality of convex portions 38 around a center 31b of a tip portion 31a of the contacting portion 31. The convex portion 38 has a plurality of protruding portions 35 on a tip of a mountain-shaped portion of the convex portion 38. The electrical contact 15 is configured to bring the plurality of protruding portions 35 into contact with the terminal 2a to achieve the electrical connection to the electric component 2.Type: GrantFiled: December 22, 2017Date of Patent: November 24, 2020Assignee: ENPLAS CORPORATIONInventor: Satoru Isagoda
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Patent number: 10834878Abstract: An emitter having a water intake part, a discharge part, a channel, and a pressure reduction channel. The pressure reduction channel includes a groove and a plurality of projections. The plurality of projections include first and second projections that are adjacent to one another in the groove depth direction. The first projections are positioned on one side in the depth direction of the groove, and when seen from a planar view, the tip ends thereof project from the inside surface of the groove so as to cross the center line of the groove. The second projections are positioned on the other side in the depth direction of the groove, and when seen from a planar view, the tip ends thereof project from the inside surface of the groove so as not to cross the center line of the groove.Type: GrantFiled: September 16, 2016Date of Patent: November 17, 2020Assignee: ENPLAS CORPORATIONInventor: Daisuke Morikoshi
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Publication number: 20200353461Abstract: To provide a holder in which a liquid is not prone to remain in a communicating hole when the liquid is manipulated using a syringe. The holder has a side wall, a plurality of chambers, and one or more communicating hole groups including a plurality of communicating holes. The communicating directions of the plurality of communicating holes included in a single communicating hole group are parallel to each other. The plurality of communicating holes each have essentially the same shape as viewed from the direction of a line normal to an outside opening thereof.Type: ApplicationFiled: January 30, 2019Publication date: November 12, 2020Applicant: Enplas CorporationInventor: Shigeru UEMURA
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Publication number: 20200353471Abstract: This cartridge includes: a reservoir that includes an accommodation part and an opening part; and a cap fitted to the opening part. The opening part of the reservoir has: a pressing region and an open region. The cap has a first region that is pressed when the cap is positioned in the pressing region. When the first region is positioned in the pressing region and a through hole in the first region is closed, the cartridge is in a closed state in which the fluid inside the container part is not discharged to the outside via the through hole, and when, from the closed state, the first region moves into the open region and the through hole in the first region opens, the cartridge is in an open state in which the fluid can be discharged from the accommodation part to the outside via the through hole.Type: ApplicationFiled: January 23, 2019Publication date: November 12, 2020Applicant: Enplas CorporationInventors: Takumi YAMAUCHI, Ken KITAMOTO
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Luminous flux control member, light emitting device, surface light source device, and display device
Patent number: 10830413Abstract: The present invention provides a lens for a light emitting element (a luminous flux control member) that can ensure sufficient spread of light even with a smaller number of light emitting elements. The luminous flux control member (10) of the present invention includes: a dome shaped aspherical lens body (11). The lens body (11) includes: a base surface (13); and a dome shaped curved surface (12).Type: GrantFiled: July 10, 2018Date of Patent: November 10, 2020Assignee: ENPLAS CORPORATIONInventor: Toshihiko Mochida -
Patent number: 10830969Abstract: An optical component is configured to optically connect a light-emitting element and an optical fiber, and includes an optical surface arranged in a middle of an optical path of a light to be emitted from the light-emitting element to the optical fiber to reflect the light. The optical surface includes an optical path area configured to reflect the light and a non-optical path area other than the optical path area, and the optical path area and the non-optical path area are coplanar. The optical path area has a smooth surface, and at least a part of the non-optical path area has a rough surface which is rougher than the optical path area.Type: GrantFiled: October 27, 2017Date of Patent: November 10, 2020Assignee: ENPLAS CORPORATIONInventor: Yuki Saito
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Patent number: 10830973Abstract: This optical receptacle has an optical receptacle body, a support member, and an adhesive. The optical receptacle body has a first optical surface, a second optical surface, and a reflective surface. The support member includes: a support member body; a through hole, into which a portion of the optical receptacle body is exposed; and a first contact portion that is in contact with a rear surface side of the optical receptacle body. The adhesive is in contact with the portion of the optical receptacle body exposed into the through-hole, and the inner surface of the through-hole. Furthermore, the optical receptacle is disposed more on the support member side than a mounting surface.Type: GrantFiled: November 14, 2017Date of Patent: November 10, 2020Assignee: ENPLAS CORPORATIONInventor: Ayano Kon
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Patent number: 10830362Abstract: This fluid handling device has a substrate, a film, and a sliding member. The substrate has first flow paths, second flow paths, and partition walls formed between one end of the first flow paths and one end of the second flow paths. The film includes a diaphragm, and is arranged above the substrate such that the diaphragm and the partition walls oppose one another. The sliding member has protrusions formed on the back surface thereof, and is arranged above the film with the back surface facing the film. By sliding on the film the sliding member is able switch alternately between a first state in which the protrusions are arranged so as not to oppose the partition walls, and the diaphragm is sandwiched therebetween, and a second state in which the protrusions are arranged opposing the partition walls, and the diaphragm is sandwiched therebetween.Type: GrantFiled: August 3, 2017Date of Patent: November 10, 2020Assignee: ENPLAS CORPORATIONInventors: Koichi Ono, Nobuya Sunaga
