Patents by Inventor Takayuki Yamanaka

Takayuki Yamanaka 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: 20240375515
    Abstract: There are a display unit and a vehicular display device. The display unit emits a display image including display light to be projected onto a projection target member provided in a vehicle. The display unit includes: a lens including a lens body and a first support portion protruding from an edge portion of the lens body; and a case that has a space configured to accommodate the first support portion and holds the lens by fitting the first support portion into the space.
    Type: Application
    Filed: April 12, 2024
    Publication date: November 14, 2024
    Inventors: Yuki Miyoshi, Yasuhiro Katsumata, Akira Yamanaka, Hiroshi Sano, Takuya Ishigami, Takayuki Mizushima
  • Patent number: 11608405
    Abstract: Provided is a polycarbonate polyol used as a raw material of a polyurethane that has an excellent balance of flexibility, mechanical strength and solvent resistance. The polycarbonate polyol includes structural units derived from a polyhydric alcohol and has a hydroxyl value of 20 to 450 mg KOH/g. The polyhydric alcohol includes: a diol (A) containing not less than 70% by weight of a specific oxyalkylene glycol (A1); and a trihydric to hexahydric branched alcohol (B) having 3 to 12 carbon atoms. In the polycarbonate polyol, structural units derived from the branched alcohol (B) is contained in an amount of 0.005 to 5.0% by mole in the structural units derived from the polyhydric alcohol. A ratio of a structural unit (X1) represented by the following Formula (X1) in the structural units derived from the branched alcohol (B) is not higher than 50% by mole.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: March 21, 2023
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yuta Hioki, Yoshikazu Kanamori, Kazunao Kusano, Kazuki Wakabayashi, Ryo Yamashita, Takayuki Yamanaka
  • Publication number: 20220041790
    Abstract: A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I), an aliphatic alcohol (II) having a number average molecular weight determined from the hydroxyl value of less than 300 and having only a hydroxyl group as a functional group, and a polyol (III) having a number average molecular weight determined from the hydroxyl value of not less than 300 and not more than 10,000. The isocyanate compound (I) includes not less than 90 mol % in total of an aliphatic isocyanate compound containing two isocyanate groups and/or an alicyclic isocyanate compound containing two isocyanate groups. The aliphatic alcohol (II) includes not less than 90 mol % of a C12 or lower aliphatic diol. The polyol (III) includes not less than 80 mol % of a copolymerized polycarbonate diol (IIIA) including a linear repeating structural unit represented by formula (A) and a repeating structural unit represented by formula (B).
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryo YAMASHITA, Teruhiko OHARA, Mitsuharu KOBAYASHI, Takayuki YAMANAKA
  • Publication number: 20220041795
    Abstract: A thermoplastic polyurethane resin elastomer is obtained by reacting an isocyanate compound (I) containing ?90 mol % in total of an aliphatic and/or alicyclic isocyanate compound having two isocyanate groups, an aliphatic alcohol (II) having only a hydroxyl group as a functional group, and a polyol (III). The equivalent ratio of EIII:EI:EII is 1:2-6:1-5 with the proviso that 0.95?(EI)/((EII)+(EIII))?1.05, where EIII, EI, EII represent the hydroxyl equivalent, isocyanate equivalent, and hydroxyl equivalent of the polyol (III), isocyanate compound (I), and aliphatic alcohol (II), respectively. The aliphatic alcohol (II) has a Mn, which is a number average molecular weight determined from the hydroxyl value, of <300 and contains ?90 mol % of a C12 or lower aliphatic diol.
    Type: Application
    Filed: October 21, 2021
    Publication date: February 10, 2022
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Ryo YAMASHITA, Mitsuharu KOBAYASHI, Takayuki YAMANAKA, Teruhiko OHARA
  • Publication number: 20190315908
    Abstract: Provided is a polycarbonate polyol used as a raw material of a polyurethane that has an excellent balance of flexibility, mechanical strength and solvent resistance. The polycarbonate polyol includes structural units derived from a polyhydric alcohol and has a hydroxyl value of 20 to 450 mg KOH/g. The polyhydric alcohol includes: a diol (A) containing not less than 70% by weight of a specific oxyalkylene glycol (A1); and a trihydric to hexahydric branched alcohol (B) having 3 to 12 carbon atoms. In the polycarbonate polyol, structural units derived from the branched alcohol (B) is contained in an amount of 0.005 to 5.0% by mole in the structural units derived from the polyhydric alcohol. A ratio of a structural unit (X1) represented by the following Formula (X1) in the structural units derived from the branched alcohol (B) is not higher than 50% by mole.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 17, 2019
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yuta HIOKI, Yoshikazu KANAMORI, Kazunao KUSANO, Kazuki WAKABAYASHI, Ryo YAMASHITA, Takayuki YAMANAKA
  • Patent number: 9688234
    Abstract: A far-side airbag apparatus includes an airbag and an inflator that discharges inflation gas for deploying and inflating the airbag. The airbag is fixed to the seat frame of the backrest of a vehicle seat and is deployed and inflated on the side corresponding to the center of the passenger compartment. The airbag is divided into first to third inflation chambers, and the first inflation chamber accommodates the inflator. The far-side airbag apparatus includes a tension belt having a first end and a second end. The first end of the tension belt is connected to the surface of the airbag at a position that corresponds to a seam, which divides the first inflation chamber and the second inflation chamber from each other, and the second end is connected to the seat frame.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 27, 2017
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Takayuki Yamanaka, Yasushi Masuda, Yuji Matsuzaki
  • Patent number: 9505374
    Abstract: A side impact airbag apparatus includes an airbag, a gas generator, and a strap. The airbag is fixed to an automobile via an attaching portion in a rear lower portion. The gas generator supplies inflation gas to the airbag. The airbag includes a first section. The inflation gas deploys and inflates the airbag diagonally forward and upward from a part at which the airbag is fixed to the automobile. The front end of the strap is attached to the front end of the airbag. The rear end of the strap is attached to the fixed part of the airbag. The strap includes an upper strap portion, which is tensioned when the airbag is deployed and inflated, and a lower strap portion, which is located below the upper strap portion. The lower strap portion is tensioned with a tensile force greater than that of the upper strap portion.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: November 29, 2016
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Yuji Matsuzaki, Yasushi Masuda, Takayuki Yamanaka
  • Patent number: 9376083
    Abstract: A far-side airbag apparatus includes an airbag and an inflator that discharges inflation gas for deploying and inflating the airbag. The airbag is fixed to the seat frame of the backrest of a vehicle seat and is deployed and inflated on the side corresponding to the center of the passenger compartment. The far-side airbag apparatus is configured such that, when the inflator discharges inflation gas, the forward deployment and inflation of the airbag is promoted more than the upward deployment and inflation of the airbag.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 28, 2016
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Takayuki Yamanaka, Yasushi Masuda, Yuji Matsuzaki, Masayoshi Kishimoto
  • Publication number: 20160114755
    Abstract: A side impact airbag apparatus includes an airbag, a gas generator, and a strap. The airbag is fixed to an automobile via an attaching portion in a rear lower portion. The gas generator supplies inflation gas to the airbag. The airbag includes a first section. The inflation gas deploys and inflates the airbag diagonally forward and upward from a part at which the airbag is fixed to the automobile. The front end of the strap is attached to the front end of the airbag. The rear end of the strap is attached to the fixed part of the airbag. The strap includes an upper strap portion, which is tensioned when the airbag is deployed and inflated, and a lower strap portion, which is located below the upper strap portion. The lower strap portion is tensioned with a tensile force greater than that of the upper strap portion.
    Type: Application
    Filed: September 11, 2015
    Publication date: April 28, 2016
    Inventors: Yuji MATSUZAKI, Yasushi MASUDA, Takayuki YAMANAKA
  • Publication number: 20160031406
    Abstract: A far-side airbag apparatus includes an airbag and an inflator that discharges inflation gas for deploying and inflating the airbag. The airbag is fixed to the seat frame of the backrest of a vehicle seat and is deployed and inflated on the side corresponding to the center of the passenger compartment. The far-side airbag apparatus is configured such that, when the inflator discharges inflation gas, the forward deployment and inflation of the airbag is promoted more than the upward deployment and inflation of the airbag.
    Type: Application
    Filed: July 23, 2015
    Publication date: February 4, 2016
    Inventors: Takayuki YAMANAKA, Yasushi MASUDA, Yuji MATSUZAKI, Masayoshi KISHIMOTO
  • Publication number: 20160031407
    Abstract: A far-side airbag apparatus includes an airbag and an inflator that discharges inflation gas for deploying and inflating the airbag. The airbag is fixed to the seat frame of the backrest of a vehicle seat and is deployed and inflated on the side corresponding to the center of the passenger compartment. The airbag is divided into first to third inflation chambers, and the first inflation chamber accommodates the inflator. The far-side airbag apparatus includes a tension belt having a first end and a second end. The first end of the tension belt is connected to the surface of the airbag at a position that corresponds to a seam, which divides the first inflation chamber and the second inflation chamber from each other, and the second end is connected to the seat frame.
    Type: Application
    Filed: July 23, 2015
    Publication date: February 4, 2016
    Inventors: Takayuki YAMANAKA, Yasushi MASUDA, Yuji MATSUZAKI
  • Patent number: 9233661
    Abstract: An occupant protection system includes a seatbelt device mountable on a vehicle seat and an airbag device mountable in a vicinity of a fastening area of the seatbelt device where a buckle section of the seatbelt device buckles a tongue. The airbag device includes an airbag inflatable between a lap belt, a shoulder belt and an occupant seated in the seat. The airbag includes a front inflatable section extending forward and a rear inflatable section extending rear- and upwardly. The rear inflatable section is so configured as to ride over a vicinity of the fastening area and contact the front inflatable section when an occupant of the vehicle moves forward and pushes the rear inflatable section at an impact on a vehicle from the front of the buckle section.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: January 12, 2016
    Assignee: TOYODA GOSEI CO., LTD.
    Inventors: Takayuki Yamanaka, Yasushi Masuda
  • Publication number: 20150091283
    Abstract: An occupant protection system includes a seatbelt device mountable on a vehicle seat and an airbag device mountable in a vicinity of a fastening area of the seatbelt device where a buckle section of the seatbelt device buckles a tongue. The airbag device includes an airbag inflatable between a lap belt, a shoulder belt and an occupant seated in the seat. The airbag includes a front inflatable section extending forward and a rear inflatable section extending rear- and upwardly. The rear inflatable section is so configured as to ride over a vicinity of the fastening area and contact the front inflatable section when an occupant of the vehicle moves forward and pushes the rear inflatable section at an impact on a vehicle from the front of the buckle section.
    Type: Application
    Filed: August 29, 2014
    Publication date: April 2, 2015
    Inventors: Takayuki YAMANAKA, Yasushi MASUDA
  • Patent number: 8735041
    Abstract: A method for producing a low density resin-coated carrier having a small resin amount to a carrier core material and having a uniform resin coating layer formed on the carrier core material is provided. A resin-coated carrier has a carrier core material and a resin coating layer formed on the surface of the carrier core material. The carrier core material has pores and an apparent density of 1.6 g/cm3 to 2.0 g/cm3 and a remanent magnetization of 10 emu/g of less. The resin coating layer is formed by a dry process of adhering resin particles to a surface of the carrier core material and applying heat and impact force to the resin particles. A volume average particle size of the resin particles is less than 1 ?m. A two-component developer containing the resin-coated carrier is charged in a developing device in an image forming apparatus, and an image is formed.
    Type: Grant
    Filed: March 24, 2010
    Date of Patent: May 27, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takanori Kamoto, Takayuki Yamanaka, Osamu Wada, Tadashi Iwamatsu, Nobuyuki Yoshioka
  • Patent number: 8340551
    Abstract: The present invention therefore provides an image forming apparatus, comprising: a photoconductor; a charge means for charging the photoconductor; an exposure means for irradiating a surface of the photoconductor with light to form an electrostatic latent image; a development means for developing the electrostatic latent image formed; a transfer means for transferring the image developed onto a paper sheet; and a discharge means for irradiating the surface of the photoconductor with light to eliminate charges, wherein the photoconductor contains a titanylphthalocyanine having absorption bands in a wavelength region of 380 nm to 420 nm and a wavelength region of 600 nm to 850 nm as a charge generation material, the exposure means irradiates the surface of the photoconductor with light having a wavelength of 380 nm to 420 nm to form the electrostatic latent image, and the discharge means irradiates the surface of the photoconductor with light having a wavelength of 600 nm to 850 nm to eliminate the charges.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: December 25, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takayuki Yamanaka, Koichi Toriyama, Kotaro Fukushima, Masanori Matsumoto
  • Publication number: 20120082927
    Abstract: A two-component developer includes a toner and a resin-coated carrier. To the toner, a plurality of types of external additives each of which has a different average primary particle size are externally added, at least one type of the external additives having an average primary particle size of 0.1 ?m or more. The resin-coated carrier includes a carrier core formed of ferrite having a volume average particle size of 25 ?m or more and 90 ?m or less, and a resin coating layer that is formed on the surface of the carrier core and contains a magnetic fine particle having a volume average particle size of 0.1 ?m or more and 2 ?m or less and a silicone resin, wherein 40 parts by weight or more and 100 parts by weight or less of the magnetic fine particle based on 100 parts by weight of the silicone resin are contained.
    Type: Application
    Filed: September 20, 2011
    Publication date: April 5, 2012
    Inventors: Takanori Kamoto, Takayuki Yamanaka, Osamu Wada, Tadashi Iwamatsu
  • Patent number: 8005403
    Abstract: An image forming apparatus includes: a latent image bearing member on which an electrostatic latent image is to be formed; a developing unit which contains the developer and performs a development process to develop the electrostatic latent image formed on the latent image bearing member; and a movement mechanism which moves the developing unit toward the latent image bearing member when the development process is performed, and moves the developing unit away from the latent image bearing member and changes the attitude of the developing unit with, respect to the latent image bearing member when the development process is not performed.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: August 23, 2011
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takayuki Yamanaka, Masayasu Narimatsu, Hideji Saikoh, Junichi Saito, Eiichi Kido
  • Publication number: 20100303500
    Abstract: The present invention therefore provides an image forming apparatus, comprising: a photoconductor; a charge means for charging the photoconductor; an exposure means for irradiating a surface of the photoconductor with light to form an electrostatic latent image; a development means for developing the electrostatic latent image formed; a transfer means for transferring the image developed onto a paper sheet; and a discharge means for irradiating the surface of the photoconductor with light to eliminate charges, wherein the photoconductor contains a titanylphthalocyanine having absorption bands in a wavelength region of 380 nm to 420 nm and a wavelength region of 600 nm to 850 nm as a charge generation material, the exposure means irradiates the surface of the photoconductor with light having a wavelength of 380 nm to 420 nm to form the electrostatic latent image, and the discharge means irradiates the surface of the photoconductor with light having a wavelength of 600 nm to 850 nm to eliminate the charges.
    Type: Application
    Filed: May 19, 2010
    Publication date: December 2, 2010
    Inventors: Takayuki YAMANAKA, Koichi Toriyama, Kotaro Fukushima, Masanori Matsumoto
  • Publication number: 20100248116
    Abstract: A method for producing a low density resin-coated carrier having a small resin amount to a carrier core material and having a uniform resin coating layer formed on the carrier core material is provided. A resin-coated carrier has a carrier core material and a resin coating layer formed on the surface of the carrier core material. The carrier core material has pores and an apparent density of 1.6 g/cm3 to 2.0 g/cm3 and a remanent magnetization of 10 emu/g of less. The resin coating layer is formed by a dry process of adhering resin particles to a surface of the carrier core material and applying heat and impact force to the resin particles. A volume average particle size of the resin particles is less than 1 ?m. A two-component developer containing the resin-coated carrier is charged in a developing device in an image forming apparatus, and an image is formed.
    Type: Application
    Filed: March 24, 2010
    Publication date: September 30, 2010
    Inventors: Takanori KAMOTO, Takayuki Yamanaka, Osamu Wada, Tadashi Iwamatsu, Nobuyuki Yoshioka
  • Publication number: 20100209146
    Abstract: An image forming apparatus includes: a latent image bearing member on which an electrostatic latent image is to be formed; a developing unit which contains the developer and performs a development process to develop the electrostatic latent image formed on the latent image bearing member; and a movement mechanism which moves the developing unit toward the latent image bearing member when the development process is performed, and moves the developing unit away from the latent image bearing member and changes the attitude of the developing unit with, respect to the latent image bearing member when the development process is not performed.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 19, 2010
    Inventors: Takayuki YAMANAKA, Masayasu Narimatsu, Hideji Saikoh, Junichi Saito, Eiichi Kido