Patents Assigned to Ichikoh Industries, Ltd.
  • Patent number: 11982420
    Abstract: The present invention provides vehicle lighting capable of forming an irradiation pattern with a desired brightness distribution while efficiently utilizing light from light sources. The vehicle lighting includes both the light sources disposed in parallel, a condenser lens that condenses light from the light sources, a light-shielding member provided with an irradiation slit, and a projection lens that projects the light, and forms an irradiation pattern. The incident surface has a curved incident surface section and an annular incident surface section, the condenser lens has a reflective surface that surrounds the curved incident surface section, the first light source is disposed such that a first emitting surface is located on a projection lens optical axis of the projection lens, and the second light source is disposed inside the annular incident surface section such that a second emitting surface does not intersect the projection lens optical axis.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: May 14, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Yasuhiro Okubo
  • Publication number: 20240151383
    Abstract: A vehicle lamp suppressing design deterioration due to moire is provided. The vehicle lamp includes: a first plate material including a plurality of first light transmissive areas transmitting light therethrough and a first light non-transmissive area positioned between the plurality of first light transmissive areas and not transmitting light therethrough; a second plate material including a plurality of second light transmissive areas transmitting light therethrough and a second light non-transmissive area positioned between the plurality of second light transmissive areas and not transmitting light therethrough, the second plate material being layered on the first plate material; and a light source that emits light via the plurality of first light transmissive areas of the first plate material and the plurality of second light transmissive areas of the second plate material, where the plurality of second light transmissive areas are larger, in acreage, than the plurality of first light transmissive areas.
    Type: Application
    Filed: March 10, 2022
    Publication date: May 9, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventors: Soichiro DANURA, Hideyuki HAYASHI
  • Patent number: 11971149
    Abstract: Sunlight incident in a lamp through a lens is prevented from being collected on a portion formed between a front end of a reflector and a lens holding frame through an opening formed in front of the portion. A vehicle lamp includes a light emitting portion, a lens that projects light emitted from the light emitting portion, a reflector including a first reflective surface that reflects light emitted from the light emitting portion toward the lens, an opening formed between a front end of the reflector and a frame, the frame that holds the lens, and a second reflective surface that is formed between the front end of the reflector and the frame, and reflects external light incident in the vehicle lamp through the lens.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: April 30, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventors: Takashi Muto, Yoshihiro Sugie, Eiji Suzuki
  • Patent number: 11971147
    Abstract: A vehicle light guide and a vehicle headlight which can improve long-distance visibility are provided. The vehicle light guide has a shape having an incident surface on which light from a light source is incident, a first reflective surface which internally reflects the light incident from the incident surface toward a front in a front-back direction in a vehicle-mounted state, a second reflective surface having a shape with an inclined portion inclined to a lower side in the front-back direction in the vehicle-mounted state across an edge side on the front in the front-back direction and internally reflecting the light reflected by the first reflective surface toward the front in the front-back direction, and an emission surface that emits the light internally reflected by the first reflective surface and the second reflective surface and emits a light distribution pattern to the front of the vehicle.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: April 30, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Kazunori Iwasaki
  • Patent number: 11965635
    Abstract: A vehicular light guide member includes a main body part and a light entrance part. The main body part has an exit surface and a plurality of specular surfaces facing the exit surface. Some of the specular surfaces constitute a displaced section that is closer to or farther from the exit surface than a reference section constituted of the remains of the specular surfaces. The specular surfaces as such allow light to be uniformly emitted through the exit surface.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: April 23, 2024
    Assignee: ICHIKOH INDUSTRIES, LTD.
    Inventor: Ayumi Watanabe
  • Patent number: 11959613
    Abstract: A light source unit of a vehicle lighting system includes: a light source to emit excitation light; a light generating unit including a luminescent layer to emit generation light by being irradiated with the excitation light and a holding member holding the luminescent layer; and a lens member to output generation light from the luminescent layer toward the front, with the light source unit mounted on the vehicle.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: April 16, 2024
    Assignee: ICHIKOH INDUSTRIES, LTD.
    Inventors: Yoshiro Sato, Hironari Zushi
  • Patent number: 11953174
    Abstract: To radiate light with uniform color and illuminance in a longitudinal direction, this vehicle light guide is rod-shaped and is disposed at a front portion of a vehicle. The vehicle light guide includes a base portion having a curved portion curved rearward from a front toward a side of the vehicle and guiding light from a light source so as to be emitted from an emission face at a front side of the vehicle, a plurality of prism portions arrayed in a longitudinal direction along a back face of the base portion and that reflect light forward, and a diffusing portion positioned in at least the curved portion in the longitudinal direction of the base portion and provided in a strip form on a bottom face side of the prism portions, and that diffuses light.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: April 9, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Hiroaki Oku
  • Patent number: 11953171
    Abstract: A vehicle lighting device includes a high-light source group, a low-light source group, a high-beam lens to transmit light from the high-beam light source and emit the light to outside, a low-beam lens to transmit light from the low-beam light source and emit the light to outside, a circuit board having the high-beam light source and the low-beam light source mounted thereon together, and a reflector that guides light emitted from the low-beam light source to the low-beam lens, where the circuit board is inclined in a front-rear direction and an up-down direction.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: April 9, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventors: Katsuhiko Inoue, Eiji Suzuki
  • Patent number: 11940117
    Abstract: A required weld strength is ensured even when the shape of a first resin member is formed in a desired design shape. A lamp lens and a lamp housing are provided. The lamp lens and the lamp housing are fixed to each other by welding under pressure. The lamp lens includes a body portion, a leg portion, and a welding portion. As a result, a required weld strength is ensured even when the shape of the body portion of the lamp lens is shaped in a desired design shape.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: March 26, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventors: Kenichi Asaka, Ryu Matsumoto
  • Patent number: 11940116
    Abstract: To improve the sense of connection between a fixed-side lamp unit and a movable-side lamp unit. A vehicle lamp includes; a fixed-side unit, and a movable-side unit, the fixed-side unit has: a first light source; a first light guide body; and a first outer lens having a first front surface part, and a first leg part, the movable-side unit has: a second light source; and a second light guide body; and a second outer lens having a second front surface part, and a second leg part, the second leg part has a light control surface, and the light control surface performs control such that light emitted from at least one of the first light source and the second light source and incident on the light control surface passes through inside of the second leg part and is emitted from a front surface side of the second leg part.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: March 26, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Koji Nishihata
  • Publication number: 20240093847
    Abstract: To provide a vehicle lamp in which it is possible to prevent a bonding wire from blocking light emitted from a light emitting surface while improving heat dissipation performance from a light emitting portion. A vehicle lamp includes a light emitting portion having a light emitting element, a circuit board, and a heat sink. In this vehicle lamp, a front region of the heat sink is divided into a first region and a second region, the light emitting portion is fixed to the first region, and the circuit board is fixed to the second region. A light emitting portion-side terminal provided in the light emitting portion and a board-side terminal provided in the circuit board are electrically connected by a bonding wire. The light emitting portion-side terminal is disposed between a light emitting surface that covers the light emitting element, and the board-side terminal in front view.
    Type: Application
    Filed: February 8, 2022
    Publication date: March 21, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventors: Kenji MATSUOKA, Kunihiro SHIMIZU
  • Publication number: 20240093854
    Abstract: The present invention provides vehicle lighting capable of forming an irradiation pattern with a desired brightness distribution while efficiently utilizing light from light sources. The vehicle lighting includes both the light sources disposed in parallel, a condenser lens that condenses light from the light sources, a light-shielding member provided with an irradiation slit, and a projection lens that projects the light, and forms an irradiation pattern. The incident surface has a curved incident surface section and an annular incident surface section, the condenser lens has a reflective surface that surrounds the curved incident surface section, the first light source is disposed such that a first emitting surface is located on a projection lens optical axis of the projection lens, and the second light source is disposed inside the annular incident surface section such that a second emitting surface does not intersect the projection lens optical axis.
    Type: Application
    Filed: January 6, 2022
    Publication date: March 21, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventor: Yasuhiro OKUBO
  • Publication number: 20240093849
    Abstract: To prevent point illumination and fix a light-guiding body. The present invention includes: a fixation portion having a first holding portion and a second holding portion; engagement portions that restrict frontward movement of the one end portion in the front-back direction; an elastic portion that generates elastic force upward in the up-down direction, and abuts on the one end portion to maintain engagement of the engagement portions; contact portions that bring the first holding portion and the one end portion into contact with each other on both sides in the left-right direction; an abutment portion that abuts on the one end portion to restrict backward movement of the one end portion in the front-back direction; and a restriction portion that abuts on the elastic portion to restrict downward movement of the elastic portion in the up-down direction.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 21, 2024
    Applicant: ICHIKOH INDUSTRIES, LTD.
    Inventors: Seito WADA, Shintaro ABE
  • Publication number: 20240059214
    Abstract: A lighting timing or lighting mode of a projection unit requires improvement in relation to lighting of a turn lamp. A vehicle lamp includes: a projection unit that includes a light source and projects a predetermined image onto a road surface based on lighting of the light source; and a lighting control unit that controls the light source. The lighting control unit controls the light source such that a required time period from a first time point at which the light source starts lighting in response to an input of a turn signal or a hazard signal to a second time point at which the light source reaches a target light intensity ends later than a third time point at which a turn lamp or a hazard lamp is lit at a target light intensity thereof in response to the input of the turn signal or the hazard signal.
    Type: Application
    Filed: January 6, 2022
    Publication date: February 22, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventor: Yasufumi SUZUKI
  • Publication number: 20240052985
    Abstract: A vehicle light fixture include a first light distribution illuminator that emits a first light distribution to the front of a vehicle, and a second light distribution illuminator that emits a second light distribution having a light-dark boundary line at least on a side of the vehicle, wherein illumination of the first light distribution illuminator and the second light distribution illuminator is controlled in response to a predetermined operation of the first light distribution illuminator by the driver of the vehicle. The second light distribution illuminator includes a light source, and a projection lens that projects light emitted from the light source to form an illumination pattern surrounded by multiple light-dark boundary lines and emit the illumination pattern to a side of the vehicle, and the projection lens focuses more of the light emitted from the light source passing outwardly from the optical axis of the projection lens.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventors: Yasuhiro OKUBO, Yasufumi SUZUKI
  • Publication number: 20240052986
    Abstract: A vehicle light fixture include a first light distribution illuminator that emits a first light distribution to the front of a vehicle, and a second light distribution illuminator that emits a second light distribution having a light-dark boundary line at least on a side of the vehicle, wherein illumination of the first light distribution illuminator and the second light distribution illuminator is controlled in response to a predetermined operation of the first light distribution illuminator by the driver of the vehicle. The second light distribution illuminator includes a light source, and a projection lens that projects light emitted from the light source to form an illumination pattern surrounded by multiple light-dark boundary lines and emit the illumination pattern to a side of the vehicle, and the projection lens focuses more of the light emitted from the light source passing outwardly from the optical axis of the projection lens.
    Type: Application
    Filed: October 26, 2023
    Publication date: February 15, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventors: Yasuhiro OKUBO, Yasufumi SUZUKI
  • Patent number: 11873960
    Abstract: A vehicular lamp includes: a main light source that emits light for forming a predetermined irradiation pattern; an optical member that allows the light emitted from the main light source to travel toward a front side in an irradiation direction to form the irradiation pattern; a heat dissipation member that releases heat from the main light source to outside; and a light guide member that guides light from an auxiliary light source provided as a separate body from the main light source. In the heat dissipation member, the heat dissipation member is provided with an opening part that opens a mounting surface provided with the main light source, and the light guide member guides light from the auxiliary light source toward the mounting surface through the opening part.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: January 16, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventors: Katsuro Sakino, Katsuhiko Inoue, Eiji Suzuki
  • Patent number: 11867372
    Abstract: A vehicle light guide body includes an incident surface that light from the light source enters, a first reflective surface that internally reflects the light that has entered from the incident surface to form nearly parallel light, a second reflective surface that internally reflects the light from the first reflective surface, a third reflective surface provided in a position located in front of the second reflective surface in a front-rear direction and in a portion in at least one of end faces in a left-right direction, a light shielding part that shields a part of the light reflected by the second reflective surface, and a light emitting surface that emits the light that has been internally reflected by the second reflective surface and has passed through the light shielding part to illuminate a headlight pattern in front of a vehicle.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: January 9, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Kei Onoma
  • Patent number: 11867371
    Abstract: A vehicular light guiding body and a vehicular lam unit are configured to perform fine light distribution control. The vehicular light guiding body includes an incidence surface on which light from a light source is incident, a first reflection surface that internally reflects the light incident from the incidence surface, a second reflection surface that has a shape based on a paraboloid of revolution which reflects substantially parallel light from the first reflection surface toward a focus point, a light blocking part that blocks a portion of the light reflected by the second reflection surface, and an emission surface that emits the light internally reflected by the second reflection surface to pass through the light blocking part and that projects a headlight pattern toward a front of a vehicle.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: January 9, 2024
    Assignee: Ichikoh Industries, Ltd.
    Inventor: Kei Onoma
  • Publication number: 20240003513
    Abstract: A vehicle lamp, which can make objects in a lamp chamber invisible, includes: a lamp housing and a lamp lens forming a lamp chamber, an excitation-light irradiation unit, a light conversion unit, and an optical filter disposed in the lamp chamber. The optical filter is disposed between the excitation-light irradiation unit and the light conversion unit and blocks light in a specific wavelength range. As a result, such a phenomenon that an image from an outside is seen in the lamp chamber through the lamp lens or an object in the lamp chamber is seen through the lamp lens can be suppressed, and the object in the lamp chamber can be made invisible.
    Type: Application
    Filed: November 16, 2021
    Publication date: January 4, 2024
    Applicant: Ichikoh Industries, Ltd.
    Inventors: Yoshiro SATO, Naotoshi SAKAKIBARA