Patents by Inventor Hiroshi Hata

Hiroshi Hata 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: 20190107190
    Abstract: In a vehicle power transmission device including a case housing a power transmission mechanism and a cover covering a side surface of the case in a vehicle width direction, the cover includes a stepped portion with a vehicle rear-side portion projecting outward in the vehicle width direction in a horizontal cross section, a front-side extending portion extending from the stepped portion to the vehicle front side and a plate-shaped inclined rib disposed at a corner portion between the stepped portion and the front-side extending portion, and inclined toward the front-side extending portion from a leading end portion of the stepped portion to the vehicle front side.
    Type: Application
    Filed: October 4, 2018
    Publication date: April 11, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Marina HIRATA, Seitaro NOBUYASU, Hiroshi HATA, Shigetsugu IWATA, Atsushi KAWAMOTO
  • Patent number: 10232668
    Abstract: This pneumatic tire is provided with: a pair of carcass layers arranged so as to extend from the respective left and right beads of the tire across the tread; and a plurality of crossing belts arranged on the outside of the carcass layers in the radial direction of the tire. The pair of carcass layers is arranged so as to overlap each other in the tire width direction. The overlapping width (Wc) of the carcass layers is in the range of 0.5 mm?Wc?40 mm.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: March 19, 2019
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Hiroshi Hata, Yoshiaki Hashimura
  • Patent number: 10160264
    Abstract: A pneumatic tire includes a strip member which extends in a tire circumferential direction, with both ends thereof reaching each bead portion, and a belt layer disposed in a tread portion on an outer side in the tire radial direction of the strip members. The strip members are divided in the tire width direction, with each of the divided strip members having joints that join in the tire circumferential direction. The relative positions of the joints are disposed at less than 20° in the tire circumferential direction within the region of the maximum width TW in the tire width direction of the belt layer.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 25, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroshi Hata
  • Publication number: 20180354314
    Abstract: A pneumatic tire, includes: a lug groove outermost in a lateral direction in a tread portion, the lug groove opening outward in the lateral direction; and a projection portion outward of an opening portion of the lug groove in the lateral direction, the projection portion extending outward in a radial direction past a groove bottom of the lug groove at maximum groove depth and including an end inward of a road contact surface of the tread portion in the radial direction, when the pneumatic tire is inflated to a regular internal pressure and loaded with 70% of a regular load; the projection portion including a body projecting from a tire surface, and an end projection extending from the end of the body with a step portion as an interface, and the end projection having a thinner meridian cross-sectional width than a meridian cross-sectional width of the end of the body.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 13, 2018
    Inventors: Hiroshi Hata, Jun Matsuda, Kee Woon Kim, Chang Jung Park
  • Publication number: 20180345728
    Abstract: A pneumatic tire comprises a lug groove disposed outermost in a tire lateral direction in a tread portion, the lug groove opening outward in the tire lateral direction; a projection portion disposed outward of an opening portion of the lug groove in the tire lateral direction, the projection portion extending outward in a tire radial direction past a groove bottom of the lug groove at maximum groove depth and comprising an end disposed inward of a road contact surface of the tread portion in the tire radial direction, when the pneumatic tire is mounted on a regular rim, inflated to a regular internal pressure, and loaded with 70% of a regular load; and a reinforcing portion projecting from a surface of the projection portion.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 6, 2018
    Applicants: The Yokohama Rubber Co., LTD., Kumho Tire Co., Inc.
    Inventors: Hiroshi Hata, Jun Matsuda, Kee Woon Kim, Chang Jung Park
  • Publication number: 20180345729
    Abstract: A pneumatic tire comprises a lug groove disposed outermost in a tire lateral direction in a tread portion, the lug groove opening outward in the tire lateral direction; a projection portion disposed outward of an opening portion of the lug groove in the tire lateral direction, the projection portion extending outward in a tire radial direction past a groove bottom of the lug groove at maximum groove depth and comprising an end disposed inward of a road contact surface of the tread portion in the tire radial direction, when the pneumatic tire is mounted on a regular rim, inflated to a regular internal pressure, and loaded with 70% of a regular load; and a stopper portion projecting from a surface of the tread portion at a position outward of a ground contact edge in the tire lateral direction and inward of the projection portion in the tire lateral direction.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 6, 2018
    Applicants: The Yokohama Rubber Co., Ltd., Kumho Tire Co., Inc.
    Inventors: Hiroshi HATA, Jun MATSUDA, Kee Woon KIM, Chang Jung PARK
  • Publication number: 20180345730
    Abstract: A pneumatic tire includes a lug groove disposed outermost in a tire lateral direction in a tread portion, the lug groove opening outward in the tire lateral direction; a projection portion disposed outward of an opening portion of the lug groove in the tire lateral direction, the projection portion extending outward in a tire radial direction past a groove bottom of the lug groove at maximum groove depth and including an end disposed inward of a road contact surface of the tread portion in the tire radial direction, when the pneumatic tire is mounted on a regular rim, inflated to a regular internal pressure, and loaded with 70% of a regular load; and a reinforcing portion disposed at least at a base end of the projection portion, the reinforcing portion having a JIS-A rubber hardness greater than that of a rubber material around the projection portion.
    Type: Application
    Filed: November 25, 2015
    Publication date: December 6, 2018
    Inventors: Hiroshi HATA, Jun MATSUDA, Kee Woon KIM, Chang Jung PARK
  • Patent number: 9895934
    Abstract: In a pneumatic tire that includes strip members which extends in a tire circumferential direction, both ends thereof reaching each bead portion, a belt layer is disposed in a tread portion on an outer side in a tire radial direction of the strip members. The strip members are divided in the tire width direction, and the divided strip members have joints that join together in the tire circumferential direction. Relative positions of the joints are disposed deviated by not less than 20° in the tire circumferential direction within a region between an edge of a maximum width in the tire width direction of the belt layer and a maximum tire width position.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: February 20, 2018
    Assignee: The Yokohama Rubber Co., LTD.
    Inventors: Hiroshi Hata, Yuji Sato
  • Patent number: 9887191
    Abstract: The re-combination center introduction region has re-combination centers introduced therein so that a density of the re-combination centers in the re-combination center introduction region is higher than a density of re-combination centers in a periphery of the re-combination center introduction region. The re-combination center introduction region continuously extends from the diode region to the peripheral region along a longitudinal direction of the diode region.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: February 6, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi Hata, Satoru Kameyama, Shinya Iwasaki
  • Patent number: 9816569
    Abstract: An engagement device includes: an engaged body configured to rotate in conjunction with a rotary shaft; an engaging body arranged coaxially with the engaged body and configured to engage with the engaged body by movement in an axial direction; a power source configured to provide thrust to the engaging body in the axial direction; and a hub member configured to couple the engaging body to a torque receiver which receives torque transmitted from the engaged body at a time the engaging body engages with the engaged body. The engaged body, the engaging body, and the power source are accommodated in a closed space, and the hub member is at least a part of an outer shell forming the closed space.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: November 14, 2017
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasumichi Funato, Hiroshi Hata
  • Publication number: 20170259626
    Abstract: A pneumatic tire is provided with an electrically conductive portion at least extending continuously from a bead portion to a belt layer. The electrically conductive portion has a linear structure. The linear structure includes an electrically conductive linear member linearly formed of electrically conductive material with an electrical resistivity of less than 1×10?8 ?/cm. The electrically conductive portion ensures an electrically conductive path from the bead portion to the belt layer.
    Type: Application
    Filed: December 24, 2014
    Publication date: September 14, 2017
    Inventors: Hiroshi HATA, Hidekazu ISHII
  • Publication number: 20170263603
    Abstract: The re-combination center introduction region has re-combination centers introduced therein so that a density of the re-combination centers in the re-combination center introduction region is higher than a density of re-combination centers in a periphery of the re-combination center introduction region. The re-combination center introduction region continuously extends from the diode region to the peripheral region along a longitudinal direction of the diode region.
    Type: Application
    Filed: August 3, 2015
    Publication date: September 14, 2017
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi HATA, Satoru KAMEYAMA, Shinya IWASAKI
  • Patent number: 9577082
    Abstract: The semiconductor device includes: a plurality of interlayer insulation films, each interlayer insulation film covering a front surface of a corresponding one of the gate electrodes and protruding from the front surface of the semiconductor substrate; the first metal film covering the front surface of the semiconductor substrate and plurality of the interlayer insulation films; and the protective insulation film covering a part of the first metal film. In a cross-section traversing the plurality of trenches, the end of the protective insulation film is above one of the interlayer insulation films, and a width of the one of the interlayer insulation films that is below the end of the protective insulation film is wider than widths of other interlayer insulation films.
    Type: Grant
    Filed: June 21, 2016
    Date of Patent: February 21, 2017
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hidehiro Nakagawa, Hiroshi Hata
  • Publication number: 20170025521
    Abstract: The semiconductor device includes: a plurality of interlayer insulation films, each interlayer insulation film covering a front surface of a corresponding one of the gate electrodes and protruding from the front surface of the semiconductor substrate; the first metal film covering the front surface of the semiconductor substrate and plurality of the interlayer insulation films; and the protective insulation film covering a part of the first metal film. In a cross-section traversing the plurality of trenches, the end of the protective insulation film is above one of the interlayer insulation films, and a width of the one of the interlayer insulation films that is below the end of the protective insulation film is wider than widths of other interlayer insulation films.
    Type: Application
    Filed: June 21, 2016
    Publication date: January 26, 2017
    Inventors: Hidehiro Nakagawa, Hiroshi Hata
  • Publication number: 20160010700
    Abstract: An engagement device includes: an engaged body configured to rotate in conjunction with a rotary shaft; an engaging body arranged coaxially with the engaged body and configured to engage with the engaged body by movement in an axial direction; a power source configured to provide thrust to the engaging body in the axial direction; and a hub member configured to couple the engaging body to a torque receiver which receives torque transmitted from the engaged body at a time the engaging body engages with the engaged body. The engaged body, the engaging body, and the power source are accommodated in a closed space, and the hub member is at least a part of an outer shell forming the closed space.
    Type: Application
    Filed: March 22, 2013
    Publication date: January 14, 2016
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasumichi FUNATO, Hiroshi HATA
  • Publication number: 20150336426
    Abstract: This pneumatic tire is provided with: a pair of carcass layers arranged so as to extend from the respective left and right beads of the tire across the tread; and a plurality of crossing belts arranged on the outside of the carcass layers in the radial direction of the tire. The pair of carcass layers is arranged so as to overlap each other in the tire width direction. The overlapping width (Wc) of the carcass layers is in the range of 0.5 mm?Wc?40 mm.
    Type: Application
    Filed: May 15, 2013
    Publication date: November 26, 2015
    Inventors: Hiroshi Hata, Yoshiaki Hashimura
  • Publication number: 20150251495
    Abstract: In a pneumatic tire that includes strip members which extends in a tire circumferential direction, both ends thereof reaching each bead portion, a belt layer is disposed in a tread portion on an outer side in a tire radial direction of the strip members. The strip members are divided in the tire width direction, and the divided strip members have joints that join together in the tire circumferential direction. Relative positions of the joints are disposed deviated by not less than 20° in the tire circumferential direction within a region between an edge of a maximum width in the tire width direction of the belt layer and a maximum tire width position.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 10, 2015
    Inventor: Hiroshi Hata
  • Publication number: 20150251494
    Abstract: In a pneumatic tire that includes strip members which extends in a tire circumferential direction, both ends thereof reaching each bead portion, a belt layer is disposed in a tread portion on an outer side in a tire radial direction of the strip members. The strip members are divided in the tire width direction, and the divided strip members have joints that join together in the tire circumferential direction. Relative positions of the joints are disposed deviated by not less than 20° in the tire circumferential direction within a region between an edge of a maximum width in the tire width direction of the belt layer and a maximum tire width position.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 10, 2015
    Applicant: The Yokohama Rubber Co., LTD.
    Inventors: Hiroshi Hata, Yuji Sato
  • Patent number: 9123476
    Abstract: A tab lead including a first insulating film made of resin is adhered to one of surfaces of a part of a region of a metal plate in a length direction of the metal plate and a second insulating film made of resin is adhered to the other surface of the part of the region. Both end portions of the first insulating film and both end portions of the second insulating film are integrally welded to each other. First protruding portions protruding outward in a thickness direction of the first insulating film are formed at regions of the first insulating film corresponding to both widthwise side edges of the metal plate and vicinities thereof. Second protruding portions protruding outward in a thickness direction of the second insulating film are formed at regions of the second insulating film corresponding to both widthwise side edges of the metal plate and vicinities thereof.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 1, 2015
    Assignee: Showa Denko Packaging Co., Ltd.
    Inventors: Hiroshi Hata, Takurou Watanabe
  • Patent number: D803146
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: November 21, 2017
    Inventors: Kee-Woon Kim, Chang-Jung Park, Michio Shimizu, Hiroshi Hata, Jun Matsuda