Patents Assigned to Enplas Corporation
  • Patent number: 11541389
    Abstract: 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: Grant
    Filed: March 25, 2019
    Date of Patent: January 3, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Nobuya Sunaga, Takumi Yamauchi, Satomi Yabuuchi
  • Publication number: 20220401948
    Abstract: This invention addresses the problem of providing a fluid handling device that can be reliably and easily connected to various devices, can supply a desired fluid to various devices, and can receive fluid from various devices. The fluid handling device that addresses this problem comprises: a first device having a flow path for allowing a fluid to flow therethrough and an opening for connecting the flow path and the outside; and a tube having a first end that is inserted into the opening. The first device further comprises a support part that fixes the tube such that the central axis of a second end of the tube is at an angle in relation to the central axis of the first end of the tube.
    Type: Application
    Filed: November 9, 2020
    Publication date: December 22, 2022
    Applicant: Enplas Corporation
    Inventor: Koichi ONO
  • Publication number: 20220397598
    Abstract: An air blow guide member 100 for cooling an electrical component accommodated in an electrical component socket 10 is configured to guide flowing air K supplied from a ventilation unit 3 toward the electrical component socket 10. Further, a test device unit 2 including the air blow guide member 100 and the electrical component socket 10 is configured so that the flowing air K supplied from the air ventilation unit 3 is guided toward the electrical component socket 10 by the air blow guide member 100. Further, a test device includes a plurality of the test units 2 arranged from an upstream side toward a downstream side of the flowing air K supplied from the ventilation unit 3.
    Type: Application
    Filed: December 24, 2020
    Publication date: December 15, 2022
    Applicant: ENPLAS CORPORATION
    Inventor: Mineto TAKAHASHI
  • Patent number: 11522327
    Abstract: An opening/closing mechanism of a cover member that can easily push down the cover member by the lever member even if the force from the base member side to the cover member is increased, improving the operability of the lever member. A solution is that the lever member 17 is rotatably supported to the base member 23 by the first shaft 31, the link plate 29 is mounted to the lever member 17 by the second shaft 32, the cover member 15 is mounted to the link plate 29 by the third shaft 33, and the link plate 29 is rotated around the axis of the first shaft 31 in the direction in which the lever member 17 closes, so that the link plate 29 moves through the second shaft 32, and the link plate 29 moves, so that the cover member 15 is depressed through the third shaft 33.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: December 6, 2022
    Assignee: ENPLAS CORPORATION
    Inventor: Osamu Hachuda
  • Patent number: 11513300
    Abstract: An optical receptacle is disposed between a light-emitting element and an optical transmission member and configured to optically couple the light-emitting element and the optical transmission member, the optical receptacle including an incidence surface configured to allow incidence of light emitted from the light-emitting element; and an emission surface configured to emit, toward the optical transmission member, light entered from the incidence surface and travelled inside the optical receptacle, the emission surface being an inner surface of a recess. The emission surface includes a first emission surface having a substantially spherical cap shape, and a second emission surface contiguous with the first emission surface, the second emission surface having a shape of a side surface of a substantially frustum shape.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: November 29, 2022
    Assignee: ENPLAS CORPORATION
    Inventors: Hiroyoshi Kani, Honoka Sato
  • Patent number: 11511276
    Abstract: 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: Grant
    Filed: March 11, 2021
    Date of Patent: November 29, 2022
    Assignee: Enplas Corporation
    Inventor: Nobuya Sunaga
  • Publication number: 20220371004
    Abstract: 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: Application
    Filed: May 15, 2022
    Publication date: November 24, 2022
    Applicant: Enplas Corporation
    Inventors: Nobuya SUNAGA, Seiichiro SUZUKI, Koichi ONO
  • Patent number: 11506684
    Abstract: Provided is a contact pin comprising: a hollow first plunger that includes a first contact portion provided on one end side in a first direction and a first enlarged portion which is enlarged in a second direction intersecting the first direction; a second plunger, the one end of which is inserted into the first plunger and that includes a second contact portion provided on the other end side in the first direction and a second enlarged portion provided in a protruding portion protruding from the first plunger so as to be enlarged in the second direction; and a spring provided between the first and second plungers so as to surround the first and second plungers, wherein the first enlarged portion forms a curve shape to bulge outward.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: November 22, 2022
    Assignee: Enplas Corporation
    Inventor: Yuki Ueyama
  • Publication number: 20220362775
    Abstract: A fluid handling device includes a sample channel configured to carry a sample; a dispersion medium channel configured to carry dispersion medium; a dispersion liquid generation part connected to the sample channel and the dispersion medium channel, and configured to generate dispersion liquid by dividing the sample by the dispersion medium, the dispersion liquid being liquid in which droplets of the sample are dispersed in the dispersion medium; and a dispersion liquid channel connected to the dispersion liquid generation part. The dispersion liquid generation part includes a protrusion.
    Type: Application
    Filed: May 12, 2021
    Publication date: November 17, 2022
    Applicant: Enplas Corporation
    Inventor: Seiichiro SUZUKI
  • Patent number: 11495901
    Abstract: An electric connection socket for relaying electric signals between a circuit substrate and an electric component includes: a metal housing which has a through hole enabling communication between the top surface and the bottom surface thereof, and on the top surface of which the electric component is mounted and on the bottom surface of which the circuit substrate is mounted; and a signal pin inserted into the through hole to configure a coaxial line between the inner wall surfaces of the through hole, and which is electrically connected at one end to a signal path first pad electrode of the circuit substrate and is electrically connected at the other end to a signal path terminal of the electric component. On the bottom surface, the metal housing has a ground connection unit which contacts a second pad electrode for grounding formed on the circuit substrate and which grounds the metal housing.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: November 8, 2022
    Assignee: Enplas Corporation
    Inventor: Keiichi Narumi
  • Patent number: 11493707
    Abstract: An optical receptacle includes first to third optical surfaces. The attenuation part includes a plurality of reflecting surfaces that reflects a part of the light entered from the first optical surface and a plurality of transmission surfaces that transmits another part of the light entered from the first optical surface. The reflecting surfaces and the transmission surfaces are alternately disposed in a first direction along an intersection line of the third optical surface and a plane including first and second optical axes, the first optical axis being an optical axis of light transmitted through the attenuation part, the second optical axis being an optical axis of light reflected by the attenuation part. In the third optical surface, the attenuation part is shorter than an irradiation spot at the third optical surface of the light entered from the first optical surface, in at least one direction.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: November 8, 2022
    Assignee: ENPLAS CORPORATION
    Inventor: Ayano Kon
  • Publication number: 20220350201
    Abstract: A surface light source device includes a light-emitting device; and a light diffusion plate disposed over the light-emitting device. The light-emitting device includes a substrate, a plurality of light-emitting elements disposed on the substrate, and a sealing material disposed on the substrate and configured to seal the plurality of light-emitting elements, the sealing material being made of silicone or epoxy resin. The sealing material includes particles, the particles being optically transparent.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 3, 2022
    Applicant: Enplas Corporation
    Inventors: Tomohiro SAITO, Hiroshi TAKATORI, Takuro MOMOI
  • Patent number: 11488547
    Abstract: Provided is light flux controlling member for controlling a distribution of light emitted from a plurality of light emitting elements disposed on a substrate, which includes a plurality of incidence units for allowing incidence of the light emitted from the plurality of light emitting elements, respectively; and an emission unit which emits the light incident on the plurality of incidence units while guiding the light, and which is disposed between the plurality of incidence units in a direction along the substrate. The light flux controlling member has a rectangular shape with rounded corners in plan view, and includes four corner portions and four side portions, and the inclination angle of the corner portions is different from the inclination angle of the side portions.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 1, 2022
    Assignee: ENPLAS CORPORATION
    Inventor: Yuki Fujii
  • Patent number: 11480748
    Abstract: This optical receptacle comprises: a first optical surface on which light emitted from a VCSEL is incident; a first reflection part which reflects, as monitor light traveling to a detection element; a light separation part which separates monitor light and signal light; a second optical surface which emits the signal light to the end surface of the optical transmission body; and a third optical surface which emits the monitor light reflected by the first reflection part and the monitor light separated by the light separation part to the detection element. Two second reflection parts of the light separation part are disposed so as to be located within a luminous flux of the light incident on the first optical surface such that a predetermined condition is satisfied.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: October 25, 2022
    Assignee: ENPLAS CORPORATION
    Inventor: Ayano Kon
  • Patent number: 11471883
    Abstract: 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: Grant
    Filed: November 9, 2018
    Date of Patent: October 18, 2022
    Assignee: Enplas Corporation
    Inventors: Takumi Yamauchi, Nobuya Sunaga
  • Publication number: 20220326417
    Abstract: An electromagnetic flux controlling member includes an incidence surface for allowing incidence of an electromagnetic wave, and an emission surface for emitting the electromagnetic wave incident on the incidence surface to an outside. At least one of the incidence surface and the emission surface includes a base curved surface and a plurality of protrusions arranged on the base curved surface. Each of the plurality of protrusions includes a conical tip portion disposed such that at least a part of an edge of a bottom surface of the conical tip portion makes contact with the base curved surface, and a partially columnar leg portion disposed between the conical tip portion and the base curved surface. A central axis of the conical tip portion and a central axis of the partially columnar leg portion are parallel to a main axis of the electromagnetic flux controlling member.
    Type: Application
    Filed: February 14, 2022
    Publication date: October 13, 2022
    Applicant: Enplas Corporation
    Inventors: Takayoshi SUGANUMA, Takayuki ARAI
  • Publication number: 20220317151
    Abstract: A socket electrically connects a first electric component and a second electric component, including: a base part in which a through hole extending through the base part from a top surface to a bottom surface in a vertical direction is formed; a contact pin inserted to the through hole such that a pin lower end is exposed from the bottom surface, and configured such that, when in use, a pin upper end makes contact with the first electric component; and a sheet member including a through electrode extending therethrough in the vertical direction, disposed at the base part in a state where the sheet member faces the bottom surface, and configured such that, when in use, an upper end of the through electrode makes contact with the pin lower end and a lower end of the through electrode makes contact with the second electric component.
    Type: Application
    Filed: March 30, 2021
    Publication date: October 6, 2022
    Applicant: Enplas Corporation
    Inventor: Leo AZUMI
  • Publication number: 20220307583
    Abstract: A planetary gear device includes: a housing cover disposed at one end portion of a housing in an axis direction, the housing being configured to house a sun gear and a planetary gear inside the housing; and a carrier cover disposed next to the housing cover in the axial direction in the inside, and configured to support a shaft of the planetary gear from one end portion side in the axial direction. One opposing part of a pair of opposing parts opposite to each other in the housing cover and the carrier cover includes a cone-shaped part whose diameter varies in the axial direction, and the other opposing part of the pair of opposing parts includes a sliding part configured to slide on a peripheral surface of the cone-shaped part with a same axis as an axis of the cone-shaped part.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 29, 2022
    Applicant: Enplas Corporation
    Inventors: Koki HISAI, Kazuki YAMADA
  • Publication number: 20220307536
    Abstract: A gear device includes: a housing cover having an annular shape and including a center opening configured to dispose a connection shaft for a gear, the housing cover being disposed at one end portion of a housing in an axis direction, the housing having a cylindrical shape and configured to house the gear. At an outer surface of the housing cover, an assembling mechanism configured to detachably assemble another housing cover is provided.
    Type: Application
    Filed: March 28, 2022
    Publication date: September 29, 2022
    Applicant: Enplas Corporation
    Inventor: Koki HISAI
  • Patent number: 11454300
    Abstract: A gear reduction mechanism (1) includes a drive gear (10) having a rotation axis (L1), and a driven gear (20) driven in mesh with the drive gear (10) and having a rotation axis (L2) that is noncoplanar with the rotation axis (L1). The drive gear (10) is provided with spiral teeth, each having a tooth trace of a spiral curve having a spiral center on the rotation axis (L1) and a constant radial pitch, when viewed in the direction of the rotation axis (L1). Furthermore, the tooth profile of the driven gear (20) is set, considering a tangent angle that changes momentarily as the drive gear (10) rotates.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: September 27, 2022
    Assignee: ENPLAS CORPORATION
    Inventors: Toru Hagihara, Shuhei Masuda