Patents Assigned to Koito Manufacturing Co., Ltd.
  • Patent number: 10928026
    Abstract: A vehicle lamp includes: a lamp body including a light emitting source receiving port communicating with an outside of a lamp chamber; a translucent cover combined with the lamp body to form the lamp chamber in between; a light guide supported by the translucent cover, disposed in the lamp chamber, and including a light entrance portion disposed in the vicinity of the light emitting source receiving port; a light emitting source mounting portion mounted on the lamp body to close the light emitting source receiving port, and including a light emitting source disposed to face the light entrance portion; and a positioning member including a lock disposed in the light emitting source receiving port to position the light entrance portion and the light emitting element with respect to each other in a state where the light emitting source mounting portion is mounted on the lamp body.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: February 23, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Takahiro Totsuka, Daisuke Takahashi
  • Publication number: 20210048163
    Abstract: A vehicle headlamp (1) includes: a light source (52R, 52G, 52B) that emits light having a predetermined wavelength; a light distribution pattern forming optical system (56R, 56G, 56B) that includes a collimator lens (53R, 53G, 53B) and a diffraction grating (54R, 54G, 54B) that change a traveling direction of at least some of pieces of light emitted from the light source (52R, 52G, 52B), and emits light (LR, LG, LB) having a predetermined light distribution pattern; and a vibration imparting unit (57R, 57G, 57B) that relatively vibrates the light source (52R, 52G, 52B) and the diffraction grating (54R, 54G, 54B).
    Type: Application
    Filed: February 7, 2019
    Publication date: February 18, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventor: Masanori KITO
  • Patent number: 10919438
    Abstract: A vehicle lamp system includes an imaging unit, a luminance analysis unit, an illuminance setting unit, a light source unit and a light source control unit. The light source control unit controls the light source unit to periodically form a reference light distribution pattern including at least a part of a fixed illuminance area which does not depend on the illuminance value determined by the illuminance setting unit. The illuminance setting unit determines the illuminance value based on a reference detection result including the detection result of the luminance analysis unit obtained under the formation of the reference light distribution pattern, and updates the illuminance value when the new reference detection result is obtained.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: February 16, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventor: Takehito Iriba
  • Patent number: 10919435
    Abstract: A light distribution control system for a headlight includes: headlights arranged in a pair on a left side and a right side of a vehicle; a detector configured to detect information of a front vehicle that is present in a front area of the vehicle; and a light distribution controller configured to set and control each of the headlights based on the information of the front vehicle detected by the detector. The detector is arranged in one of the headlights, the light distribution controller corrects light distribution of the other of the headlights based on a difference in arrangement positions of the detector and the other of the headlights.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: February 16, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventor: Mitsuharu Mano
  • Publication number: 20210039550
    Abstract: A rear turn lamp has a structure formed of divided components, i.e., a first lamp unit provided to a fixed portion of a vehicle body and a second lamp unit provided to a movable portion of the vehicle body. The first lamp unit is provided with a controller. A first lighting circuit turns on multiple first light sources. A second lighting circuit turns on multiple second light sources.
    Type: Application
    Filed: October 22, 2020
    Publication date: February 11, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Yuichi MIYASHITA, Masashi YAMAZAKI, Toshikazu TOMONO, Shinji OHTA
  • Publication number: 20210039670
    Abstract: A vehicle cleaner system are mounted on an autonomous driving vehicle including a vehicle control unit capable of selectively executing an autonomous driving mode and a manual driving mode. The vehicle cleaner system includes: a cleaner unit configured to clean an external sensor; and a cleaner control unit configured to control the cleaner unit. When the vehicle control unit switches from the manual driving mode to the autonomous driving mode, the vehicle control unit is configured such that, after the cleaner control unit causes the cleaner unit to clean the external sensor or after a diagnosis is performed to ascertain whether or not the external sensor needs to be cleaned, the manual driving mode is switched to the autonomous driving mode.
    Type: Application
    Filed: March 7, 2019
    Publication date: February 11, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Masaru SAKAI, Kazuki KAWAMURA, Akinobu KUBOTA, Masaaki SATO
  • Patent number: 10913386
    Abstract: A front module (3) is disposed in a front portion of a vehicle (2). An upper module (5) is disposed on a ceiling surface (22) of the vehicle (2). The front module (3) includes a front light source (31) and a front sensor (32). The upper module (5) includes an upper light source (51) and an upper sensor (52).
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: February 9, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Takashi Hori, Teruaki Yamamoto, Yusuke Kasaba
  • Publication number: 20210031675
    Abstract: A vehicle lamp system includes an imaging unit that takes an image ahead of a host vehicle, a luminance analyzer that detects luminance of each of areas ahead of the host vehicle, a target analyzer that detects objects ahead of the host vehicle, a tracking unit that determines a specific object from the detected objects and detects displacement of the specific object based on a detection result of the luminance; a setting unit that sets, based on the detection result of the luminance and a detection result of the displacement, an illuminance value for each area, which includes a specific illuminance for a specific area determined according to a position where the specific target is present, and a controller that controls the light source the illuminance of the light to be radiated from a light source to each area based on the illuminance values set by the setting unit.
    Type: Application
    Filed: January 10, 2018
    Publication date: February 4, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Yoshinori Shibata, Takao Muramatsu
  • Publication number: 20210031727
    Abstract: A vehicle cleaner system includes a front LiDAR and a front camera, which are external sensors that acquire information on an outside of a vehicle, a cleaner unit, a front tank that stores the cleaning liquid, and a cleaner control unit that controls the cleaner unit. The cleaner unit includes a front LiDAR cleaner that discharge the cleaning liquid to clean the front LiDAR, and a front camera cleaner that discharges the cleaning liquid to clean the front camera. The cleaner control unit is configured to be capable of outputting a remaining amount insufficiency prediction signal to a vehicle control unit, which controls traveling of the vehicle, when the cleaning liquid in the front tank is equal to or less than a predetermined amount.
    Type: Application
    Filed: March 15, 2019
    Publication date: February 4, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Masaru SAKAI, Masaaki SATO, Kazuki KAWAMURA
  • Publication number: 20210031729
    Abstract: Provided is an air cleaner for vehicles, configured so that objects to be cleaned can be easily maintained in as clean state. This fair cleaner (1) for vehicles is provided with: ejection openings (20, 30) for ejecting air toward the surfaces (21, 31) to be cleaned of objects (2, 3) to be cleaned and a non-positive displacement blower means (10) for continuously delivering air to the ejection openings (20, 30).
    Type: Application
    Filed: August 6, 2018
    Publication date: February 4, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Takahiro MATSUNAGA, Akinobu KUBOTA, Yasuhiro ICHIKAWA
  • Patent number: 10912176
    Abstract: A vehicle lamp has a roof unit. The roof unit includes a plurality of types of light output units having different illumination functions, a light emission drive unit configured to cause the plurality of types of light output units to output lights, and a monitoring sensor. The roof unit is arranged at a roof part of a vehicle.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: February 2, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Takeshi Masuda, Shigeyuki Watanabe, Hajime Takeda, Akihito Horikawa, Masaaki Nakabayashi, Yusuke Nakada, Osamu Endo
  • Patent number: 10906453
    Abstract: A vehicular detection device configured to be mounted to at least one of a right or a left side of a vehicle body includes a detection unit configured to detect an object. An outermost part of the vehicular detection device in a right and left direction is flush with or more inward than an outer surface of a side surface part of the vehicle body in the right and left direction.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: February 2, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Naoki Tatara, Toshihiro Okamura
  • Publication number: 20210027102
    Abstract: A processing unit recognizes an object based on image data. An object recognition unit identifies the object based on the image data. A conversion unit is configured as a neural network provided as an upstream stage of the object recognition unit. The conversion unit converts a first image IMG acquired by the camera into a second image, and inputs the second image to the object recognition unit.
    Type: Application
    Filed: October 2, 2020
    Publication date: January 28, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventor: Ryota OGURA
  • Publication number: 20210025559
    Abstract: A vehicle lamp is provided with a light source (51) that emits light in a predetermined wavelength band, a diffractive optical element (53) that diffracts the light emitted from the light source (51) to have a predetermined light distribution pattern, and a shade (55) that shields, of the light forming the predetermined light distribution pattern, at least part of the light forming the outer peripheral portion of the predetermined light distribution pattern, and the shade (55) shields the light forming the outer peripheral portion of the predetermined light distribution pattern over the entire circumference of the light distribution pattern.
    Type: Application
    Filed: March 13, 2019
    Publication date: January 28, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Naoki UCHIDA, Honami FUJII, Masanori KITO
  • Publication number: 20210024139
    Abstract: A method for producing a vehicle rear module that includes: a clear member monolithically including a lamp section and a window section; and a colored member for shielding at least part of a vehicle interior from the exterior. The method for producing the vehicle rear module comprises: a step for injecting a transparent resin from a single resin injection hole into a first cavity to form the clear member; and a step for injecting a colored resin from a plurality of resin injection holes into a second cavity to form the colored member.
    Type: Application
    Filed: March 19, 2019
    Publication date: January 28, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Yasuaki Tsutsumi, Daisuke Mochizuki, Hideaki Yamamoto, Takenao Yoshimura, Yuki Takahashi, Masaaki Nakabayashi, Hiroaki Hara, Masayuki Kobayashi, Masaru Kaneko
  • Publication number: 20210025560
    Abstract: A first camera unit (111) acquires an image including at least an area ahead of a vehicle based on a first optical axis (X1). A second camera unit (112) acquires an image including at least an area on the left of the vehicle based on a second optical axis (X2). When viewed from an up-down direction of the vehicle, the first optical axis (X1) and the second optical axis (X2) intersect with each other.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 28, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Yuichi Watano, Yukio Nomura, Yoshiyuki Nakanishi, Teppei Muramatsu, Yichao Xie
  • Publication number: 20210025562
    Abstract: A lens holder which supports a projection lens is screwed and fixed to a bracket which supports a spatial light modulator. A positioning pin configured to position the lens holder in a left-right direction with respect to the bracket is inserted into a long hole which is formed in the bracket and extends in a lamp front-rear direction. The screwing and fixing is performed in a state where the positioning pin is inserted into the long hole and is appropriately moved in the lamp front-rear direction, so that the lens holder is restricted from being displaced in a left-right direction with respect to the bracket, and it is possible to finely adjust a positional relationship between the projection lens and the spatial light modulator in the lamp front-rear direction.
    Type: Application
    Filed: April 4, 2019
    Publication date: January 28, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Ryuho Sato, Yukinobu Hiranaka, Takahiko Honda, Yosuke Ohashi, Takashi Ito
  • Patent number: 10899269
    Abstract: A common lamp driving circuit is configured to supply current. A switching circuit is configured to selectively supply the current to either a first lamp or a second lamp that are of different types. A processor is configured to control the switching circuit such that a state in which the current is supplied to the first lamp and a state in which the current is supplied to the second lamp are repeated.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: January 26, 2021
    Assignee: KOITO MANUFACTURING CO., LTD.
    Inventors: Toshikazu Tomono, Yasushi Noyori
  • Publication number: 20210019860
    Abstract: A two-dimensional conversion unit converts point cloud data D1 acquired by a three-dimensional sensor into two-dimensional data with the distance as the pixel value. A convolutional neural network receives the image data as its input, and judges the position of and the category of an object included in the point cloud data.
    Type: Application
    Filed: October 2, 2020
    Publication date: January 21, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventor: Kensuke ARAI
  • Publication number: 20210016706
    Abstract: A lighting circuit turns on multiple semiconductor light sources. Multiple current sources are each coupled in series with a corresponding one from among the semiconductor light sources. A switching converter supplies a driving voltage VOUT across each of multiple series connection circuits formed of the multiple semiconductor light sources and the multiple current sources. A converter controller controls a switching transistor of the switching converter based on a relation between a voltage across one from among the multiple current sources and a reference voltage having a positive correlation with the temperature Tj.
    Type: Application
    Filed: October 7, 2020
    Publication date: January 21, 2021
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Tomoyuki ICHIKAWA, Satoshi KIKUCHI, Ryosuke MATSUHANA