Patents by Inventor Takashi Hoshiba

Takashi Hoshiba 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).

  • Patent number: 11077724
    Abstract: A pneumatic tire includes: an annular-shaped tread portion extending in a tire circumferential direction; a pair of sidewall portions disposed on both sides of the tread portion; and a pair of bead portions disposed on an inner side in a tire radial direction of the sidewall portions; and a band-like sound absorbing member being adhered on an inner surface of the tread portion in the tire circumferential direction; wherein the band-like sound absorbing member has a plurality of cuts, and both terminals of the cuts terminate at an inner side of the band-like sound absorbing member.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: August 3, 2021
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Takashi Hoshiba
  • Publication number: 20210162820
    Abstract: Provided are a pneumatic tire and a method for manufacturing the same. At least one sensor unit including a sensor that acquires tire information is fixed to a tire inner surface via an adhesive layer, and an amount of silicon in a release agent detected by fluorescent X-ray analysis at least in a fixing region for the sensor unit is from 0.1 wt % to 10.0 wt %.
    Type: Application
    Filed: July 17, 2019
    Publication date: June 3, 2021
    Inventors: Masahiro Naruse, Takashi Hoshiba, Kazuya Ishiguro
  • Patent number: 11021019
    Abstract: A pneumatic tire comprises a first main groove disposed in a tread surface on either side of a tire equatorial plane, the first main grooves extending in a tire circumferential direction; a second main groove disposed outward of each of the first main grooves in a tire width direction, the second main groove extending in the tire circumferential direction; five land portions defined by the four main grooves, the five land portions including a center land portion located between the first main grooves, two intermediate land portions located between the first main grooves and the second main grooves, and two shoulder land portions located outward of the second main grooves in the tire width direction; and sub grooves and sipes disposed in each of the land portions.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: June 1, 2021
    Inventor: Takashi Hoshiba
  • Patent number: 11001100
    Abstract: Provided is a pneumatic tire, which includes a tread portion having an annular shape and extending in a tire circumferential direction, a pair of sidewall portions disposed on both sides of the tread portion, a pair of bead portions disposed on inner sides of the pair of sidewall portions in a tire radial direction, and a band-like sound absorbing member bonded to an inner surface of the tread portion along the tire circumferential direction. The band-like sound absorbing member includes a plurality of cuts in an outer circumferential surface of the band-like sound absorbing member. At least one end of each of the cuts terminates within the band-like sound absorbing member.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 11, 2021
    Inventor: Takashi Hoshiba
  • Patent number: 11001105
    Abstract: A pneumatic tire includes a carcass layer mounted between a pair of bead portions; a belt layer disposed on an outer circumferential side of the carcass layer; and a band-like sound absorbing member extending in a tire circumferential direction adhered to a region of a tire inner surface corresponding to a tread portion, the band-like sound absorbing member being locally disposed at a position distanced from a central region of the region corresponding to the tread portion, and an outer circumferential surface of the band-like sound absorbing member including cuts extending in the tire circumferential direction.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: May 11, 2021
    Inventor: Takashi Hoshiba
  • Patent number: 10941374
    Abstract: The present invention provides a medical analysis device and a cell analysis method, which can capture many types of cancer cells, including cancer cells not expressing EpCAM. The present invention relates to a medical analysis device having a well portion, the well portion having a hydrophilic polymer layer formed at least partly on the inner surface thereof, the hydrophilic polymer layer having fibronectin adsorbed thereto.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: March 9, 2021
    Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
  • Patent number: 10933700
    Abstract: A pneumatic tire includes a band-like sound absorbing member adhered on an inner surface of a tread portion along the tire circumferential direction. Cuts are formed on the band-like sound absorbing member mutually intersecting such that angles ?1, ?2 with regard to the tire width direction are within a range where 0°??1?90° or 0°??2?90°. The cuts are locally disposed in a region adjacent to an end portion on a vehicle inner side of the band-like sound absorbing member. A width of the placement region of the cuts is from 10% to 80% with regard to a width of the band-like sound absorbing member.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: March 2, 2021
    Inventors: Tatsuro Shinzawa, Takashi Hoshiba, Masahiro Naruse
  • Publication number: 20210039448
    Abstract: A surface of a sidewall portion of a pneumatic tire includes: a ridge pattern region provided with a plurality of ridges extending continuously in one direction at an interval, a smooth surface region composed of a smooth surface, and a two-dimensional code having a rectangular shape in which a dot pattern is formed of two kinds of gray scale elements that are formed distinguishable from each other by unevenness of a surface. The two-dimensional code is provided in the smooth surface region, and a shortest distance Lmin at a position where a distance from the ridge pattern region to the two-dimensional code is the shortest distance Lmin among four sides of the rectangular shape of the two-dimensional code is from 3 to 25% of a length W of one side, of the two-dimensional code, the one side having the position where the distance of the two-dimensional code is the shortest distance Lmin.
    Type: Application
    Filed: January 15, 2019
    Publication date: February 11, 2021
    Inventors: Takashi Hoshiba, Mizuki Kuninaka, Noriyoshi Koyama
  • Publication number: 20200346493
    Abstract: A pneumatic tire comprises a tread portion extending in a tire circumferential direction and having an annular shape; a pair of sidewall portions disposed on opposite sides of the tread portion; and a pair of bead portions disposed inward of the sidewall portions in a tire radial direction; wherein a sound absorbing member is fixed via an adhesive layer to an inner surface of the tread portion along the tire circumferential direction, and the adhesive layer comprises a solid pressure-sensitive adhesive without including a base material.
    Type: Application
    Filed: October 17, 2018
    Publication date: November 5, 2020
    Inventors: Masahiro Naruse, Takashi Hoshiba
  • Patent number: 10786812
    Abstract: Provided are a medical analysis device and a cell analysis method which can capture many cancer cells, including cancer cells not expressing EpCAM. The medical analysis device includes a flow channel zone, and also includes a chamber zone. The inner surface of the flow channel zone is at least partially provided with a layer of a hydrophilic polymer having a thickness of 2 to 200 nm.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: September 29, 2020
    Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
  • Publication number: 20200282679
    Abstract: Provided is a pneumatic tire including an indicator made of a protrusion portion or a recess portion extending in a tire circumferential direction is formed on a tire inner surface. A sound absorbing member or a sealant layer is applied to the tire inner surface along the indicator.
    Type: Application
    Filed: September 27, 2018
    Publication date: September 10, 2020
    Inventors: Takashi Hoshiba, Masahiro Naruse
  • Publication number: 20200282779
    Abstract: A pneumatic tire includes a sound absorbing member fixed to an inner surface of a tread portion via an adhesive layer in the tire circumferential direction. A thickness of the sound absorbing member 6 is 20 mm or greater, a hardness of the sound absorbing member is from 80 N/314 cm2 to 150 N/314 cm2, a tensile strength of the sound absorbing member 6 is 90 kPa or greater, an elongation at break of the sound absorbing member is 130% or greater, a JIS hardness of the tread rubber of the tread portion is from 50 to 68, and a plurality of sipes are provided in a land portion formed in the tread portion.
    Type: Application
    Filed: August 31, 2018
    Publication date: September 10, 2020
    Inventor: Takashi Hoshiba
  • Publication number: 20200276736
    Abstract: A pneumatic tire is vulcanized using a bladder provided with a coating layer formed of a release agent, and includes a sealant layer disposed on an inner surface of a tread portion in a tire circumferential direction, the release agent having a thickness of from 0.1 ?m to 100 ?m in at least a placement region of the sealant layer, detected using an electron microscope.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 3, 2020
    Inventors: Takashi Hoshiba, Masahiro Naruse
  • Publication number: 20200276735
    Abstract: A pneumatic tire is vulcanized using a bladder provided with a coating layer formed of a release agent, and includes a sealant layer disposed on an inner surface of a tread portion in a tire circumferential direction. The amount of silicon of the release agents detected in at least a placement region of the sealant layer by fluorescence X-ray analysis is from 0.1 wt. % to 10.0 wt. %.
    Type: Application
    Filed: September 10, 2018
    Publication date: September 3, 2020
    Inventors: Masahiro Naruse, Takashi Hoshiba
  • Publication number: 20200225212
    Abstract: The present invention provides a medical analysis device and a cell analysis method with which it is possible to count the number of cancer cells, culture the cancer cells, and determine the effect of drugs on the cancer cells. The present invention relates to a medical analysis device intended to capture cancer cells, the medical analysis device having multiple wells.
    Type: Application
    Filed: March 25, 2020
    Publication date: July 16, 2020
    Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa MINAGAWA, Masaru TANAKA, Takashi HOSHIBA, Tomokazu SHIBUYA
  • Patent number: 10641760
    Abstract: The present invention provides a medical analysis device and a cell analysis method with which it is possible to count the number of cancer cells, culture the cancer cells, and determine the effect of drugs on the cancer cells. The present invention relates to a medical analysis device intended to capture cancer cells, the medical analysis device having multiple wells.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: May 5, 2020
    Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
  • Patent number: 10620186
    Abstract: The present invention provides a method for capturing cancer cells which can capture many types of cancer cells, including cancer cells not expressing EpCAM. The present invention relates to a method for capturing cancer cells present in biological fluid, the method including reducing the protein level of sampled biological fluid, followed by capturing cancer cells using a hydrophilic polymer layer.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 14, 2020
    Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
  • Patent number: 10618996
    Abstract: Provided are methods for surface-modifying a thermoplastic resin which produce surfaces that show not only low adsorption of proteins and cells but also selective adsorption or adhesion of specific cells such as cancer cells, and further have excellent durability. A method for surface-modifying an object made of a thermoplastic resin, the method including: step 1 of forming polymerization initiation points on the surface of the object; and step 2 of radically polymerizing at least a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm to form a graft layer having a thickness of 2 to 100 nm on the surface of the object.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: April 14, 2020
    Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., YAMAGATA UNIVERSITY
    Inventors: Yasuhisa Minagawa, Masaru Tanaka, Takashi Hoshiba, Tomokazu Shibuya
  • Patent number: D887343
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 16, 2020
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventor: Takashi Hoshiba
  • Patent number: D920223
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 25, 2021
    Assignee: THE YOKOHAMA RUBBER CO., LTD.
    Inventors: Takanori Uemura, Takashi Hoshiba