Patents by Inventor Yosuke Sakai

Yosuke Sakai 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).

  • Publication number: 20250116829
    Abstract: A light guide plate includes a first surface and a second surface that are parallel to each other, and a first separation surface, a second separation surface, and a third separation surface, each configured to separate incident light into reflected light and transmitting light, and each tilted relative to the first surface. Predetermined inequalities are satisfied.
    Type: Application
    Filed: August 28, 2024
    Publication date: April 10, 2025
    Inventors: Yuuki MAEDA, Yosuke SAKAI
  • Publication number: 20250116815
    Abstract: An image display apparatus includes an image display element configured to emit image light, and a light guide plate that includes an entrance portion which the image light enters, and an exit portion from which the image light exits. The exit portion includes, in order from an entrance portion side, a first separation surface, and a second separation surface. Each of the first separation surface and the second separation surface is configured to separate incident light into reflected light and transmitting light. Predetermined inequalities are satisfied.
    Type: Application
    Filed: September 10, 2024
    Publication date: April 10, 2025
    Inventors: Yosuke SAKAI, Yuuki MAEDA
  • Publication number: 20250026920
    Abstract: An object of the present invention is to provide a liquid epoxy resin composition suitable for use as a mold underfill material for TSV, which composition may provide an electronic component having high wiring density, satisfactorily releasing heat generated during its driving and having high reliability. The liquid epoxy resin composition of the present invention comprises an epoxy resin (A), a curing agent (B), an inorganic filler (C) consisting of a silica filler and an alumina filler and carbon black (D); the epoxy resin (A) comprises a specific aliphatic epoxy resin, the alumina filler has a specific particle size distribution, and the liquid epoxy resin composition gives a cured product having a thermal conductivity within a predetermined range. The liquid epoxy resin composition of the present invention gives a cured product having high thermal conductivity.
    Type: Application
    Filed: July 12, 2024
    Publication date: January 23, 2025
    Applicants: SK hynix Inc., NAMICS CORPORATION
    Inventors: Minsuk KIM, Hyunsuk LEE, Sungho CHO, Tsuyoshi KAMIMURA, Yosuke SAKAI, Makoto SUZUKI
  • Publication number: 20240368374
    Abstract: [Problem to be solved] To provide an epoxy resin composition that is excellent in injectability and thermal conductivity of the cured product and can also be used for manufacturing a semiconductor device having high operation reliability. [Solution] An epoxy resin composition including an epoxy resin (A), a curing agent (B), a curing catalyst (C), and a filler (D), in which the filler (D) contains an aluminum nitride filler (D-1), the aluminum nitride filler (D-1) has an average particle size of 10.0 ?m or less, the aluminum nitride filler (D-1) has a uranium content of 20 ppb or less, and a blending ratio of the aluminum nitride filler (D-1) to a total amount of the filler (D) is 70% by mass or more.
    Type: Application
    Filed: August 5, 2022
    Publication date: November 7, 2024
    Inventors: Makoto SUZUKI, Yosuke SAKAI, Tsuyoshi KAMIMURA
  • Publication number: 20240344922
    Abstract: To provide an inspection system with which it is possible to achieve the accuracy of detection suitable for the maintenance of structural soundness while reducing costs by circuit simplification and suppressing an interference with structures in the surrounding of an installed place, an increase in air resistance, and an impact on external appearance. An inspection system applied to moving vehicles, includes a circuit provided on the insulating coating material or non-conducting coating of the structural surface of a moving vehicle and closely attached to the insulating coating material or the non-conducting coating, a sensor terminal connected to the circuit, and an RF antenna terminal connected to an RF antenna, and further includes an RFID IC chip for detecting the electrical continuity state of the circuit.
    Type: Application
    Filed: August 10, 2022
    Publication date: October 17, 2024
    Inventor: Yosuke SAKAI
  • Publication number: 20240094540
    Abstract: An image display apparatus includes a light source, an image generating element, a light guide element, and a light guide unit. The light guide element has a first surface and a second surface opposite to the first surface, and the image generating element is disposed to face the second surface of the light guide element. The light from the light source enters the first surface, transmits through the light guide element and the light guide unit, and enters the image generating element to be converted into the image light, and the image light transmits through the light guide unit and enters the second surface. A distance between an exit surface of the image generating element for emitting the image light and an incident surface of the light guide unit which the image light enters is longer than 0 mm and equal to or shorter than 5 mm.
    Type: Application
    Filed: August 14, 2023
    Publication date: March 21, 2024
    Inventors: Tomohisa AIDA, Yosuke SAKAI
  • Patent number: 11850625
    Abstract: There are provided a syringe filled with a resin composition and a storage method thereof. According to the syringe and the storage method, mixed air, which causes the resin composition to be intermittently discharged from the syringe, is suppressed. The syringe filled with the resin composition includes a syringe, a resin composition filling the syringe, and a plunger. The resin composition contains voids. The ratio of the volume of the voids relative to the volume of the resin composition is 1.0 ppm by volume to 520 ppm by volume. The voids have a maximum diameter of 2,500 ?m or less.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: December 26, 2023
    Assignee: NAMICS CORPORATION
    Inventors: Hiroki Myodo, Yosuke Sakai, Masaaki Hoshiyama
  • Publication number: 20230334878
    Abstract: A condition monitoring apparatus includes an image processing unit that processes an image picked up by an in-vehicle camera capturing an image of an occupant in a vehicle, a recognition condition information acquisition unit that acquires recognition condition information specified for a vehicle or a specified occupant, and an occupant detection unit that sets an image recognition condition by using the recognition condition information, recognizes an image processed by the image processing unit under the image recognition condition, and detects the specified occupant.
    Type: Application
    Filed: June 21, 2023
    Publication date: October 19, 2023
    Inventor: Yosuke SAKAI
  • Patent number: 11746247
    Abstract: The present invention provides an aqueous pigment dispersion liquid being such that a pigment is finely dispersed, and the viscosity, and the particle diameters of the pigment are unlikely to fluctuate, being excellent in storage stability, and enabling preparation of an emulsion-polymerized toner having properly controlled particle diameters while improving the pigment utilization rate. The aqueous pigment dispersion liquid is an aqueous pigment dispersion liquid for an emulsion-polymerized toner containing a pigment, a dispersant, and an aqueous medium.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: September 5, 2023
    Assignee: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.
    Inventors: Yosuke Sakai, Misaki Narita, Yasuhiro Yoshida, Shinichiro Aoyagi, Yoshikazu Murakami, Hiroyuki Shimanaka
  • Publication number: 20230203236
    Abstract: A method for producing a semiconductor element by wafer-level chip-size packaging includes applying a liquid compression molding material to a wafer after completion of circuit formation and subjecting the wafer to sealing treatment by compression molding. The liquid compression molding material includes (A) an epoxy resin; (B) a curing agent; and (C) a filler. The liquid compression molding material having a thixotropic index (TI) of 0.8 to 4.0.
    Type: Application
    Filed: April 20, 2021
    Publication date: June 29, 2023
    Applicant: NAMICS CORPORATION
    Inventors: Makoto SUZUKI, Tsuyoshi KAMIMURA, Yosuke SAKAI
  • Patent number: 11561408
    Abstract: A state detection device includes a camera configured to capture an image of an imaging area where a driver is present, a laser configured to emit light toward the imaging area, and an optical member configured to emit the light of the laser with spreading to a predetermined irradiation area.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: January 24, 2023
    Assignee: DENSO CORPORATION
    Inventors: Yosuke Sakai, Takuhiro Omi
  • Publication number: 20220190504
    Abstract: A connector is configured to be fitted to a mating connector in a first-axis direction. The connector includes a stationary housing, a movable housing, and a contact. The movable housing is movable relative to the stationary housing. The contact has electric conductivity. The contact includes a first held part, a second held part, and an elastic part. The first held part is held by the stationary housing. The second held part is held by the movable housing. The elastic part has elasticity, and connects between the first held part and the second held part. The elastic part includes an extension part. The extension part extends in a second-axis direction intersecting with a first-axis direction from at least one of the first held part or the second held part.
    Type: Application
    Filed: March 19, 2020
    Publication date: June 16, 2022
    Inventor: Yosuke SAKAI
  • Publication number: 20220127485
    Abstract: The present invention provides an aqueous pigment dispersion liquid being such that a pigment is finely dispersed, and the viscosity, and the particle diameters of the pigment are unlikely to fluctuate, being excellent in storage stability, and enabling preparation of an emulsion-polymerized toner having properly controlled particle diameters while improving the pigment utilization rate. The aqueous pigment dispersion liquid is an aqueous pigment dispersion liquid for an emulsion-polymerized toner containing a pigment, a dispersant, and an aqueous medium.
    Type: Application
    Filed: March 17, 2020
    Publication date: April 28, 2022
    Inventors: Yosuke SAKAI, Misaki NARITA, Yasuhiro YOSHIDA, Shinichiro AOYAGI, Yoshikazu MURAKAMI, Hiroyuki SHIMANAKA
  • Publication number: 20220072582
    Abstract: There are provided a syringe filled with a resin composition and a storage method thereof. According to the syringe and the storage method, mixed air, which causes the resin composition to be intermittently discharged from the syringe, is suppressed. The syringe filled with the resin composition includes a syringe, a resin composition filling the syringe, and a plunger. The resin composition contains voids. The ratio of the volume of the voids relative to the volume of the resin composition is 1.0 ppm by volume to 520 ppm by volume. The voids have a maximum diameter of 2,500 ?m or less.
    Type: Application
    Filed: January 29, 2020
    Publication date: March 10, 2022
    Inventors: Hiroki MYODO, Yosuke SAKAI, Masaaki HOSHIYAMA
  • Patent number: 11270440
    Abstract: A vehicular image synthesis apparatus include a plurality of cameras mounted on a vehicle for capturing an image of a driver. The plurality of images captured by the plurality of cameras may be compared to detect a boundary suitable for synthesis. The plurality of images may be synthesized at the boundary.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 8, 2022
    Assignee: DENSO CORPORATION
    Inventor: Yosuke Sakai
  • Publication number: 20210324202
    Abstract: An aqueous coating agent comprising an emulsion comprising an acrylic polymer A having an acid number of 50 mgKOH/g or less and a Tg of less than 50° C., a polymer B comprising one or more polymers selected from the group consisting of an acrylic polymer and an urethane polymer having an acid number of 60 mgKOH/g or more, a surfactant and a film-forming aid, wherein a mass ratio of the acrylic polymer A to the polymer B [A/B] is 35/65 or more and 65/35 or less.
    Type: Application
    Filed: June 7, 2019
    Publication date: October 21, 2021
    Applicant: DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD
    Inventors: Yosuke SAKAI, Eisuke NAGATA
  • Publication number: 20200334822
    Abstract: A vehicular image synthesis apparatus include a plurality of cameras mounted on a vehicle for capturing an image of a driver. The plurality of images captured by the plurality of cameras may be compared to detect a boundary suitable for synthesis. The plurality of images may be synthesized at the boundary.
    Type: Application
    Filed: July 6, 2020
    Publication date: October 22, 2020
    Inventor: Yosuke SAKAI
  • Publication number: 20200257128
    Abstract: A state detection device includes a camera configured to capture an image of an imaging area where a driver is present, a laser configured to emit light toward the imaging area, and an optical member configured to emit the light of the laser with spreading to a predetermined irradiation area.
    Type: Application
    Filed: April 29, 2020
    Publication date: August 13, 2020
    Inventors: Yosuke SAKAI, Takuhiro OMI
  • Publication number: 20200218042
    Abstract: A projection optical system includes, in order from an enlargement conjugate side to a reduction conjugate side, a first optical system and a second optical system, in which the projection optical system has an intermediate imaging position between the first optical system and the second optical system, an enlargement side lens unit included in the first optical system and a reduction side lens unit included in the second optical system are moved on an optical axis to adjust a curvature of field of an image projected onto the enlargement conjugate side, and a focal length of the projection optical system and a distance between a surface vertex of a surface closest to a reduction side of the enlargement side lens unit and the intermediate imaging position of the projection optical system with respect to a d-line wavelength at being focused on infinity are appropriately set.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 9, 2020
    Inventor: Yosuke Sakai
  • Patent number: 10636604
    Abstract: An electromagnetic relay includes a base, an electromagnet block fixed to the base, an armature which reciprocates when the electromagnet block is switched between an excitation state and a non-excitation state, and a card which slides in association with the movement of the armature. The base includes a rail portion which guides the card upon sliding, and the card includes a slide portion which slides along the rail portion. The rail portion includes a stopper portion which prevents disengagement of the slide portion from the rail portion.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: April 28, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toshinori Fujimura, Takeshi Nagata, Tomoyuki Nakagawa, Takahiro Ota, Yosuke Sakai