Patents Assigned to Enplas Corporation
  • Publication number: 20230158486
    Abstract: 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: Application
    Filed: October 4, 2022
    Publication date: May 25, 2023
    Applicant: Enplas Corporation
    Inventors: Yasuhiro WATANABE, Nobuya SUNAGA, Koichi ONO
  • Publication number: 20230128269
    Abstract: 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: Application
    Filed: October 17, 2022
    Publication date: April 27, 2023
    Applicant: Enplas Corporation
    Inventors: Seiichiro SUZUKI, Nobuya SUNAGA
  • Patent number: 11623217
    Abstract: 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: Grant
    Filed: March 11, 2021
    Date of Patent: April 11, 2023
    Assignee: Enplas Corporation
    Inventors: Takumi Yamauchi, Nobuya Sunaga
  • Patent number: 11624950
    Abstract: A light flux controlling member includes a plurality of incidence units disposed in a grid pattern and a plurality of emission units individually disposed between the plurality of incidence units. Each incidence unit includes an incidence surface disposed on a back side of the light flux controlling member, a first reflection surface disposed on a front side of the light flux controlling member at a position facing the light emitting element with the incidence surface placed between the first reflection surface and the light emitting element, and a second reflection surface disposed on the front side of the light flux controlling member at a position facing the side surface of the light flux controlling member with the first reflection surface placed between the second reflection surface and the side surface.
    Type: Grant
    Filed: April 18, 2022
    Date of Patent: April 11, 2023
    Assignee: ENPLAS CORPORATION
    Inventor: Yuki Fujii
  • Publication number: 20230097798
    Abstract: 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: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Applicant: Enplas Corporation
    Inventors: Seiichiro SUZUKI, Nobuya SUNAGA
  • Publication number: 20230096416
    Abstract: 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: Application
    Filed: September 30, 2021
    Publication date: March 30, 2023
    Applicant: Enplas Corporation
    Inventors: Seiichiro SUZUKI, Nobuya SUNAGA
  • Patent number: 11609454
    Abstract: A surface light source device includes a substrate, a plurality of light emitting devices and a light diffusion member. The light flux controlling member includes an incidence surface and an emission surface. In one light emitting device among the plurality of light emitting devices, light—emitted from the light emitting center of the light emitting element at an emission angle of 80° or less with respect to the optical axis of the light emitting element, incident on the incidence surface, and emitted from the emission surface—reaches the light diffusion member without reaching another light emitting device among the plurality of light emitting devices.
    Type: Grant
    Filed: August 1, 2022
    Date of Patent: March 21, 2023
    Assignee: Enplas Corporation
    Inventor: Yu Kamijo
  • Patent number: 11592099
    Abstract: A gear includes: an outer circumferential rim provided integrally with a plurality of tooth portions disposed side-by-side in a circumferential direction on an outer circumferential surface; and a plurality of reinforcing ribs disposed inside the outer circumferential rim to be spaced from each other in the circumferential direction by thinning portions, wherein a position where each of the plurality of reinforcing ribs and the outer circumferential rim are joined corresponds, in the circumferential direction, to a position of a tooth groove between the plurality of tooth portions.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: February 28, 2023
    Assignee: Enplas Corporation
    Inventors: Kenjiro Taki, Kazuyuki Sakamaki
  • Patent number: 11592114
    Abstract: A fluid handling device includes a first channel, a second channel, and a valve disposed at a connection part between the first channel and the second channel. The valve include a partition wall disposed between the first channel and the second channel, and a diaphragm disposed so as to face the partition wall, a portion of the first channel, and a portion of the second channel. The diaphragm is configured in such a way that when no pressure is applied to the diaphragm, a gap, which serves as a third channel that allows the first channel and the second channel to communicate with each other, is formed between the diaphragm and the partition wall. In plan view, the length of the diaphragm in the extending direction of the third channel is longer than the length of the diaphragm in the direction orthogonal to the extending direction.
    Type: Grant
    Filed: January 20, 2022
    Date of Patent: February 28, 2023
    Assignee: Enplas Corporation
    Inventor: Takumi Yamauchi
  • Publication number: 20230056206
    Abstract: The present invention provides a mesh filter having superior handling performance for liquid-solution lyophilizates. This mesh filter 130 has a mesh 131, and liquid-solution lyophilizates 132 affixed to the mesh.
    Type: Application
    Filed: February 2, 2021
    Publication date: February 23, 2023
    Applicant: Enplas Corporation
    Inventors: Shigeru UEMURA, Koji NOGUCHI
  • Publication number: 20230058577
    Abstract: This contact pin electrically connects a first electrical component and a second electrical component, the contact pin comprising: a pin body having an inside pin element and an outside pin element combined to be extendable; an elastic member that energizes the inside pin element and the outside pin element in the direction in which the pin body expands when the pin body is in a contracted state; and a pressing part that is provided on the outside pin element, and that when the pin body contracts, applies force to the inside pin element that moves in a first direction in the axial direction, the force including a component in a second direction orthogonal to the first direction.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 23, 2023
    Applicant: Enplas Corporation
    Inventor: Yoshinobu HAGIWARA
  • Publication number: 20230055328
    Abstract: An optical receptacle includes: a first optical surface configured to allow, to enter the optical receptacle, light emitted from the photoelectric conversion element package, or emit, toward the photoelectric conversion element package, light travelled inside the optical receptacle; a second optical surface configured to emit, toward the optical transmission member, the light travelled inside the optical receptacle, or allow, to enter the optical receptacle, light emitted from the optical transmission member; a cylindrical part configured to house at least a part of the photoelectric conversion element package such that the first optical surface and the photoelectric conversion element face each other; and a first groove part disposed at a periphery of the first optical surface.
    Type: Application
    Filed: August 17, 2022
    Publication date: February 23, 2023
    Applicant: Enplas Corporation
    Inventors: Honoka SATO, Ayano KON
  • Patent number: 11585434
    Abstract: To reduce assembly man-hours of a planetary gear device by devising a structure of a carrier, disclosed is a carrier of a planetary gear device 1 is formed with a gear housing space for housing a sun gear and a planetary gear. The gear housing space is formed between a pair of gear support parts rotatably supporting the planetary gear by a gear support shaft. The pair of gear support parts are integrally connected by a plurality of beams. The beam has a virtual plane orthogonal to a rotation axis of the sun gear as an x-y plane, and a radial direction of a direction extending radially from the rotation axis along the x-y plane is formed along a radial direction at a radially outer position of the sun gear. The planetary gear is located between the beams.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: February 21, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Toru Hagihara, Mincheol Sin, Shuhei Masuda
  • Patent number: 11585448
    Abstract: 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: Grant
    Filed: November 23, 2021
    Date of Patent: February 21, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Koichi Ono, Nobuya Sunaga
  • Patent number: 11578783
    Abstract: Disclosed herein are actuator, planetary-gear apparatus, and structural-unit embodiments configured to reduce noise and vibration caused by operation of planetary gears. An embodiment may include a ring gear having an outer peripheral surface that extends in the axial direction. A first raised portion may be formed on said outer peripheral surface; and a housing having an inner peripheral surface that is provided facing, and with a gap from, the outer peripheral surface of the ring gear. A second raised portion may be formed on said inner peripheral surface. Movement of the ring gear in the circumferential direction is limited by linear contact or point contact between the first raised portion and the second raised portion, for example. The outer peripheral surface and/or the inner peripheral surface may be a surface of a crowned shape that is bowed in the outer radial direction, according to some further embodiments.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: February 14, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Takuya Kaneko, Toshiki Kawada
  • Patent number: 11579488
    Abstract: A light flux controlling member includes n incidence units for allowing incidence of light emitted from n light emitting elements, respectively; an emission unit disposed between the n incidence units and allowing emission of the light incident on the n incidence units while guiding the light; and a plurality of legs. Each incidence unit includes an incidence surface and a reflection surface reflecting, in a direction along the substrate, the light incident on the incidence surface. The emission unit includes a first emission surface emitting a part of the light from the incidence unit, and a second emission surface disposed so as to face away from the first emission surface and emitting another part of the light from the incidence unit. Each leg is disposed at a position satisfying a predetermined condition.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: February 14, 2023
    Assignee: ENPLAS CORPORATION
    Inventors: Yuki Fujii, Takao Miyoshi, Hiroshi Takatori, Takuro Momoi
  • Patent number: 11566727
    Abstract: A fluid handling device includes: an introduction part configured to introduce liquid; an ejection part configured to eject liquid; a channel including one end connected to the introduction part and another end connected to the ejection part; and a valve disposed at the channel. An inner surface of the introduction part has water-repellency, and an inner surface of the ejection part and at least a part of an inner surface of the channel do not have water-repellency.
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: January 31, 2023
    Assignee: Enplas Corporation
    Inventor: Takumi Yamauchi
  • Patent number: 11569601
    Abstract: A socket configured to electrically connect a first electric component and a second electric component, the socket including: a base part including a top surface and a bottom surface; a contact pin provided to extend through the base part and including a pin lower end exposed from the bottom surface; and an abutment part provided in the base part, and including an abutment lower end, the abutment lower end being exposed from the bottom surface to abut on the second electric component and configured to be movable in a vertical direction, the abutment part being configured such that the abutment lower end abuts on the second electric component approaching, in a process of attaching the second electric component, the base part from below to adjust a posture of the base part with respect to the second electric component.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: January 31, 2023
    Assignee: Enplas Corporation
    Inventor: Keiji Obata
  • Patent number: 11567365
    Abstract: A light flux controlling member includes a plurality of incident units and an emission unit. The incident unit includes an incidence surface and a reflection surface. At least a part of a side surface of the light flux controlling member is configured such that ?2 is smaller than ?1, where L is a line connecting a gravity center G1 of the light flux controlling member and a center G2 of the reflection surface, L1 is a line connecting a center P1 of a light-emitting surface of the light-emitting element and a point P2 on the side surface where light emitted from the center P1, L2 is a line along light emitted from the point P2 to outside, ?1 is an angle between L and L1, and ?2 is an angle between L2 and a line L? that is parallel to L.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: January 31, 2023
    Assignee: ENPLAS CORPORATION
    Inventor: Yuki Fujii
  • Publication number: 20230018751
    Abstract: This socket comprises: an accommodation part that has a recess portion; an opening/closing part that opens/closes the recess portion; and a rotation support part that supports the opening/closing part to be rotationally movable between an opened state and a closed state. The opening/closing part has: a cover that is supported by the rotation support part; a pressing part that is provided on the first direction side of the first end and presses a electronic component in the recess portion in the closed state; a locking part that is provided on the first direction side of the pressing part and locks the cover to the accommodation part in the closed state; and a pressed part that has a pressed surface and is provided, at a position farther away from the rotation support part than the locking part, to be rotationally movable.
    Type: Application
    Filed: November 20, 2020
    Publication date: January 19, 2023
    Applicant: Enplas Corporation
    Inventor: Hiroyuki ICHIKAWA