Patents by Inventor Akihiro Misawa

Akihiro Misawa 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: 20210132231
    Abstract: A vehicle sensor unit includes an infrared sensor configured to transmit an infrared ray to an outside of the vehicle, and receive an infrared ray reflected by a detection target object outside the vehicle, and a cover which is located in front of the infrared sensor in a transmission direction of the infrared ray to cover the infrared sensor and through which the infrared ray passes. A plurality of fine projection portions are formed on a surface of the cover on an opposite side of a surface on an infrared sensor side, at least in a region through which the infrared ray passes, and an interval between the projection portions that are adjacent to each other is equal to or smaller than a wavelength of the infrared ray.
    Type: Application
    Filed: November 4, 2020
    Publication date: May 6, 2021
    Inventors: Mitsue TANAKA, Tadaoki ICHIKAWA, Akihiro MISAWA
  • Publication number: 20200124701
    Abstract: An onboard sensor cover includes a cover body that includes front and rear bases and a decorative layer. The front base is made of a transparent plastic material that permits passage of an infrared ray and a millimeter wave and includes a rear surface in the transmission directions of the infrared ray and the millimeter wave that is configured by a first uneven surface. The rear base is made of a plastic material that permits passage of the infrared ray and the millimeter wave and includes a front surface in the transmission directions that is configured by a second uneven surface. The decorative layer is made of a material that reflects visible light and permits passage of the infrared ray and the millimeter wave and is in contact with the first and second uneven surfaces. The front and rear bases are made of the same type of plastic material.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 23, 2020
    Inventors: Kazuhisa TAKAHASHI, Masashi OTOYO, Akihiro MISAWA, Hitoshi UCHIDA, Yasushi NIMI, Shintaro OKAWA
  • Publication number: 20200011989
    Abstract: A vehicle sensor unit includes a millimeter wave radar device, an infrared sensor that is arranged at a position adjacent to the millimeter wave radar device, and a cover having a first cover portion and a second cover portion. The first cover portion is located in front of the millimeter wave radar device in a transmission direction of the millimeter waves to conceal the millimeter wave radar device and has millimeter wave transparency. The second cover portion is located in front of the infrared sensor in a transmission direction of the infrared light to conceal the infrared sensor and has infrared light transparency. The millimeter wave radar device and the infrared sensor are attached to the cover so that the whole vehicle sensor unit is configured as a single unit.
    Type: Application
    Filed: June 25, 2019
    Publication date: January 9, 2020
    Inventors: Kazuhisa TAKAHASHI, Koji SAKURAI, Akihiro MISAWA, Tadaoki ICHIKAWA, Hideto MAEDA, Koji OKUMURA, Yasuhito TAKEUCHI, Shintaro OKAWA, Hiroaki ANDO, Yoshinori YOSHIZAWA
  • Patent number: 9738236
    Abstract: A rear emblem forms an outer surface and includes a base member made of transparent plastic and a pattern print layer arranged on a part of the back side of the base member. The pattern print layer includes a light transmitting portion and a light transmission reducing portion. The light transmission reducing portion is arranged around the light transmitting portion and transmits less light than the light transmitting portion.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 22, 2017
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Tatsuya Sugiura, Tatsuya Oba, Akihiro Misawa
  • Publication number: 20160107585
    Abstract: A rear emblem forms an outer surface and includes a base member made of transparent plastic and a pattern print layer arranged on a part of the back side of the base member. The pattern print layer includes a light transmitting portion and a light transmission reducing portion. The light transmission reducing portion is arranged around the light transmitting portion and transmits less light than the light transmitting portion.
    Type: Application
    Filed: September 8, 2015
    Publication date: April 21, 2016
    Inventors: Tatsuya SUGIURA, Tatsuya OBA, Akihiro MISAWA
  • Patent number: 8439543
    Abstract: A light source unit mounted in a mount portion of a vehicle includes a heat block and a reflector accommodated in an imaginary cylinder that is defined by a holding device for holding an outer circumference of a lens. A first heat dissipating portion and a second heat dissipating portion, which are partitioned by a partition plate, are provided on an outer circumferential surface of the heat block. A plurality of fins are projected on the first heat dissipating portion which is disposed on a lens side of the heat block so as to extend in a circumferential direction, and a second plurality of fins are projected on the second heat dissipating portion so as to extend in an axial direction of the heat block. The partition plate includes a mounting rib, and a mounting device is provided on the mounting rib for mounting the light source unit in the mount portion of the vehicle.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: May 14, 2013
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yoshiharu Tanaka, Akihiro Misawa, Hiroki Tsuge, Kenji Asano
  • Patent number: 8287166
    Abstract: A vehicle head lamp comprising a first low beam member including a first light source part; a second low beam member including a second light source part, wherein the first low beam member and the second low beam member are arranged in a vertical direction and are both reflective type; a first frame including a partition, the first frame supporting the first low beam member and the second low beam member, and the partition separating the first low beam member and the second low beam member; and a storage provided in a rear side of the partition, the storage accommodating the first and the second light source parts.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: October 16, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Yoshiharu Tanaka, Akihiro Misawa, Tetsuya Arakawa
  • Patent number: 8123387
    Abstract: In an LED lamp device including a surface mount device type of LED lamp, an LED lighting circuit protecting part, a resistive element, a circuit part, and a case part, the circuit part has a metal plate which is embedded in the case part in a state where the metal plate is partially exposed, the LED lamp is mounted on the exposed portion on a front side of the metal plate, and the resistive element is mounted on the exposed portion on a rear side of the metal plate.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: February 28, 2012
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Satoshi Inagaki, Hiroshi Ito, Akihiro Misawa, Yukiko Marui
  • Publication number: 20110141742
    Abstract: There is provided a light source unit in which a heat block and a reflector are accommodated in an imaginary cylinder which would be defined by a holding device for holding an outer circumference of a lens and which is mounted in a mount portion on a vehicle, wherein a first heat dissipating portion and a second heat dissipating portion, which are partitioned by a partition plate, are provided on an outer circumferential surface of the heat block, wherein a plurality of fins are projected on the first heat dissipating portion which is disposed on a lens side of the heat block so as to extend in a circumferential direction, and a plurality of fins are projected on the second heat dissipating portion so as to extend in an axial direction of the heat block, and wherein the partition plate has a mounting rib, and a mounting device is provided on the mounting rib for mounting the light source unit in the mount portion of the vehicle.
    Type: Application
    Filed: December 15, 2010
    Publication date: June 16, 2011
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Yoshiharu Tanaka, Akihiro Misawa, Hiroki Tsuge, Kenji Asano
  • Patent number: 7883249
    Abstract: A lighting device for a vehicle includes: a light source; a light guide member that has a light-introducing part provided in a back surface side through which the light of the light source is introduced and finally emits the light from a front surface side; a part near the light-introducing part being thicker than an edge part of the light guide member, a plurality of reflecting parts and connecting parts being alternately formed continuously toward a direction separate from the light-introducing part in the back surface side, the reflecting parts respectively reflecting on interfaces the introduced light reaching there to form the light in the direction of the front surface of the light guide member; and a housing that is connected to a position between the edge part of the back surface of the light guide member and the light-introducing part and attached to the back surface side of the light guide member to house the light source.
    Type: Grant
    Filed: December 10, 2007
    Date of Patent: February 8, 2011
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Chiharu Totani, Akihiro Misawa, Tatsuya Oba, Tetsuya Arakawa, Shinya Watanabe
  • Patent number: 7857495
    Abstract: A vehicle lighting system having: a light guiding member having a front face as a light emitting surface, a rear face having a plurality of reflecting portions inclined to the front face, and a side face; and a light source disposed opposite to the side face. An angle ? defined between the front face and the side face is designed such that, of external lights to enter into the light guiding member, a light to travel directly to the side face can be totally reflected on an interface of the side face.
    Type: Grant
    Filed: January 29, 2007
    Date of Patent: December 28, 2010
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Akihiro Misawa, Yoshiharu Tanaka, Tatsuya Oba, Shinya Watanabe
  • Patent number: 7815345
    Abstract: A vehicle-purpose lighting tool is featured by comprising: a light-conducting member having a front light-emitting plane, a rear plane having a concave/convex shape, and a side edge plane; and a light source arranged at a position opposite to the side edge plane; in which within external light which is entered via the front light-emitting plane into the light-conducting member, a portion of the external light which is directly traveled to the side edge plane is totally reflected on a boundary plane of the side edge plane portion; a plurality of reflecting portions are formed on the rear plane and are coupled to each other via a coupling portion in such a direction that the reflecting portions are separated apart from the side edge plane side; and distances between the plurality of reflecting portions and the front light-emitting plane are changed in a discontinuous manner along the separating direction.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: October 19, 2010
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Akihiro Misawa, Tetsuya Arakawa, Tatsuya Oba, Akihiko Ishikawa
  • Publication number: 20100246205
    Abstract: A vehicle head lamp comprising a first low beam member including a first light source part; a second low beam member including a second light source part, wherein the first low beam member and the second low beam member are arranged in a vertical direction and are both reflective type; a first frame including a partition, the first frame supporting the first low beam member and the second low beam member, and the partition separating the first low beam member and the second low beam member; and a storage provided in a rear side of the partition, the storage accommodating the first and the second light source parts.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 30, 2010
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Yoshiharu Tanaka, Akihiro Misawa, Tetsuya Arakawa
  • Publication number: 20100232174
    Abstract: A vehicle front grill includes a grill main body and lamp housings that are integrally formed. A surface of the grill main body and surfaces of the lamp housings are coated with a single plating film, and light originating from the lamps accommodated in the lamp housings is reflected by the plating films of the lamp housings.
    Type: Application
    Filed: February 22, 2010
    Publication date: September 16, 2010
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Tetsuya Arakawa, Akihiro Misawa, Yoshiharu Tanaka
  • Patent number: 7781787
    Abstract: An LED light comprising a light-emitting device provided to power supply means, encapsulating means for encapsulating the light-emitting device with a light-transmitting material, a reflective surface for reflecting the light emitted from the light-emitting device to a direction perpendicular to the center axis of the light-emitting device or at a large angle to the center axis, opposed to the light-emitting surface of the light-emitting device, a light-emitting diode having a side directing surface for directing sideways the light reflected from the reflective surface to a direction perpendicular to the center axis of the light-emitting device or at a large angle to the center axis, and a reflecting mirror disposed around the light-emitting diode.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: August 24, 2010
    Assignee: Toyoda Gosei, Co., Ltd.
    Inventors: Yoshinobu Suehiro, Akihiro Misawa, Toshinori Takahashi, Hisatoshi Ota, Koichi Ota, Junko Okano
  • Patent number: 7752791
    Abstract: The objective of the present invention is to provide a display device that presents great decorative effects. For a display device that provides a luminous display consisting of characters, numbers, symbols or figures, or arbitrary combinations of them, having a desired form, a half mirror layer is formed above a mirror surface, through a translucent layer, and a desired form is luminously displayed at a location between the mirror surface and the half mirror layer and at a distance from the mirror surface.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: July 13, 2010
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Akihiro Misawa, Kazuo Takeda, Tatsuya Oba
  • Patent number: 7607809
    Abstract: The exterior handle configuration of the present invention includes a panel having a recess portion and a handle that covers the upper periphery of the recess portion. An inside surface of the handle is finished with a mirror treatment that reflects and diffuses light. At least one light source fixed at the panel emits light that is directed between the recess portion and the handle. A reflecting surface reflects light emitted from the light source to the inside surface of the handle. The handle configuration of the present invention improves the visibility of the exterior handle during nighttime in a visually pleasing manner.
    Type: Grant
    Filed: October 31, 2005
    Date of Patent: October 27, 2009
    Assignee: Toyoda Gosei Co., Ltd.
    Inventor: Akihiro Misawa
  • Patent number: 7537364
    Abstract: A door handle portion illumination system for illuminating a door handle portion including a door handle, and a concave portion that is formed on a vehicle body in a position which lies at the rear of the door handle, the door handle portion illumination system including a light transmitting element that is incorporated in the door handle and which includes a luminous surface including, in turn, an area which is exposed on a front side of the door handle and an area which faces an edge portion of the concave portion, and a light source which emits a light that is introduced into the light transmitting element.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: May 26, 2009
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Akihiro Misawa, Mitsuhiro Nawashiro
  • Publication number: 20090027911
    Abstract: The invention is constituted by a vehicular lamp characterized in a lens having a first light source, a second light source, a front light emitting face, a side end face to which the first light source is opposed, and a rear face, wherein the rear face includes a lens having pluralities of reflecting portions and transmitting portions consecutively aligned alternately in a direction of being remote from the side end face, and a reflecting face arranged on a rear side of the lens, light of the first light source is incident on the lens from the side end face of the lens, reflected by an interface of the reflecting portion, thereafter, radiated from the front light emitting face, and light of the second light source is reflected by the reflecting portion, thereafter, incident on the lens from the transmitting portion and radiated from the front light emitting face.
    Type: Application
    Filed: July 16, 2008
    Publication date: January 29, 2009
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Akihiro Misawa, Tatsuya Oba, Tetsuya Arakawa, Akihiko Ishikawa
  • Publication number: 20080291685
    Abstract: A vehicle-purpose lighting tool is featured by comprising: a light-conducting member having a front light-emitting plane, a rear plane having a concave/convex shape, and a side edge plane; and a light source arranged at a position opposite to the side edge plane; in which within external light which is entered via the front light-emitting plane into the light-conducting member, a portion of the external light which is directly traveled to the side edge plane is totally reflected on a boundary plane of the side edge plane portion; a plurality of reflecting portions are formed on the rear plane and are coupled to each other via a coupling portion in such a direction that the reflecting portions are separated apart from the side edge plane side; and distances between the plurality of reflecting portions and the front light-emitting plane are changed in a discontinuous manner along the separating direction.
    Type: Application
    Filed: May 21, 2008
    Publication date: November 27, 2008
    Applicant: TOYODA GOSEI CO., LTD.
    Inventors: Akihiro Misawa, Tetsuya Arakawa, Tatsuya Oba