Patents by Inventor Masahiro Naruse

Masahiro Naruse 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: 20210309053
    Abstract: Provided is a pneumatic tire. At least one sensor unit including a sensor that acquires tire information is fixed to an innerliner constituting a tire inner surface, and the sensor unit is bonded to the tire inner surface via an adhesive layer in a state where a release agent present in the tire inner surface is removed by cutting at least in a fixing region for the sensor unit.
    Type: Application
    Filed: July 17, 2019
    Publication date: October 7, 2021
    Inventors: Kazuya Ishiguro, Takashi Hoshiba, Masahiro Naruse
  • Publication number: 20210300127
    Abstract: A pneumatic tire includes at least one sound absorbing member having a band-like shape. The sound absorbing member is bonded to an inner surface of a tread portion along a tire circumferential direction. A correction body for correcting weight unbalance is fixed to a tire inner surface in a range corresponding to a light point of an entire tire including the sound absorbing member.
    Type: Application
    Filed: July 17, 2019
    Publication date: September 30, 2021
    Inventors: Takashi Hoshiba, Masahiro Naruse, Jun Matsuda
  • Publication number: 20210300126
    Abstract: A pneumatic tire includes a sound absorbing member having a band shape. The sound absorbing member is bonded to an inner surface of a tread portion along a tire circumferential direction. The sound absorbing member includes a missing portion at at least one location in the tire circumferential direction. The at least one missing portion is disposed in a range corresponding to a light point in a tire main body. A correction body for correcting weight unbalance is fixed to a tire inner surface in the missing portion within the range corresponding to the light point.
    Type: Application
    Filed: July 17, 2019
    Publication date: September 30, 2021
    Inventors: Masahiro Naruse, Jun Matsuda, Takashi Hoshiba
  • Publication number: 20210291470
    Abstract: Provided are a pneumatic tire and a method of manufacturing the same is provided. An information display unit is configured to display, in a tire surface, information relating to attachment of a sensor unit configured to acquire tire information.
    Type: Application
    Filed: July 17, 2019
    Publication date: September 23, 2021
    Inventors: Masahiro Naruse, Takashi Hoshiba, Jun Matsuda
  • Publication number: 20210188020
    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 toward the inside 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 when a temperature t of the sound absorbing member is at least in a range from ?20° C. to 80° C., an elongation at break y (%) and the temperature t of the sound absorbing member satisfy relationships y?t+100 and y?2t+440.
    Type: Application
    Filed: October 17, 2018
    Publication date: June 24, 2021
    Inventor: Masahiro Naruse
  • 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: 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: 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
  • Publication number: 20200338935
    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 toward the inside 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 a hardness x (N/314 cm2) of the sound absorbing member and an elongation at break y (%) of the sound absorbing member satisfy relationships 130?y?500, y??21x+2770, and x>80.
    Type: Application
    Filed: October 17, 2018
    Publication date: October 29, 2020
    Inventor: Masahiro Naruse
  • Patent number: 10800214
    Abstract: A noise reduction device (10) according to the present technology includes a band member (11) made of a thermoplastic resin formed into a ring shape along a tire inner surface, and a sound absorbing member (12) made of a porous material bonded to the band member (11). The sound absorbing member (12) is arranged to be fitted onto the tire inner surface with the help of an elastic restoring force of the band member (11), the band member (11) includes at least one raised portion (14) provided on an outer circumferential surface thereof, and the outer circumferential surface of the band member (11) has a contact area when in contact with a smooth surface in a range of from 10% to 80% of the projected area of the band member (11).
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: October 13, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Masahiro Naruse
  • Patent number: 10780660
    Abstract: An object of the present invention is to provide a tire sealant that excels in injectability while maintaining sealing performance and storage performance at an excellent level, and to provide a tire repair kit. Provided are a tire sealant containing a rubber latex and an anti-freezing agent, wherein the anti-freezing agent contains glycerin and at least one type of glycol-based compound selected from the group consisting of glycols and glycol ethers; the content of the glycerin is from 2 to 50 mass % of the total amount of the anti-freezing agent; and a tire repair kit that includes the tire sealant.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: September 22, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Masahiro Naruse
  • 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: 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: 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
  • Patent number: 10668675
    Abstract: A puncture repair liquid holding container formed from a container main body provided with a holding portion and opening portion, and a cap attached to the opening portion, includes: a first flow channel for the cap to introduce compressed air from outside the container, where the first flow channel is configured from a straight portion and branched portion, a closing plug having a shape that blocks the straight portion is slidably inserted in the straight portion, and switching is possible between a closed condition where the closing plug is positioned above the branched portion or closer to an opening end side of the straight portion than the branched portion such that the first flow channel is closed, and an opened portion where the closing plug is positioned more to a closing end side of the straight portion than the branched portion such that the first flow channel is opened.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: June 2, 2020
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Masahiro Naruse
  • Publication number: 20200086594
    Abstract: An object of the present invention is to provide a tire sealant and a tire repair kit that exhibit excellent injectability. Provided is a tire sealant including a natural rubber latex, a synthetic resin emulsion, an anti-freezing agent, a surfactant, and a chelating agent, wherein the content of the chelating agent is 0.1 mass % or greater.
    Type: Application
    Filed: July 24, 2017
    Publication date: March 19, 2020
    Inventors: Takahiro OKAMATSU, Masahiro NARUSE
  • Publication number: 20200055269
    Abstract: A pneumatic tire that is vulcanized using a bladder provided with a coating layer comprising a release agent, the noise absorber being fixed to the inner surface of the tread portion along the tire circumferential direction via the adhesive layer, and the amount of silicon in the release agent detected by X-ray fluorescence analysis is 0.1 wt. % to 10.0 wt. % at least in the fixation region for the noise absorber.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 20, 2020
    Inventors: Masahiro Naruse, Takashi Hoshiba
  • Publication number: 20200023599
    Abstract: A pneumatic tire that is vulcanized using a bladder provided with a coating layer formed by a release agent, a noise absorber 6 being fixed on an inner surface of a tread portion 1 along a tire circumferential direction via an adhesive layer 7, and a thickness of the release agent detected by an electron microscope is 0.1 ?m to 100 ?m at least in a fixation region for the noise absorber 6.
    Type: Application
    Filed: November 14, 2017
    Publication date: January 23, 2020
    Inventors: Takashi Hoshiba, Masahiro Naruse
  • Publication number: 20200001507
    Abstract: A pneumatic tire is vulcanized by using a bladder provided with a coating layer formed by a release agent, and the release agent has a thickness, detected by an electron microscope, of 0.1 ?m to 100 ?m on an inner surface of a tread portion 1.
    Type: Application
    Filed: November 14, 2017
    Publication date: January 2, 2020
    Inventors: Takashi Hoshiba, Masahiro Naruse
  • Patent number: 10434732
    Abstract: A flat tire repair liquid container is provided with: a closing stopper, which is formed from a non-elastomer material and is capable of sliding inside a flow channel; and a sealing member, which is formed from an elastomer material, is disposed in a ring shape conforming to an inner wall surface of a flow channel, closes a gap between the closing stopper and the flow channel, and holds the closing stopper at a predetermined position. During storage, the closing stopper is engaged with the sealing member to close the flow channel. During flat tire repair work, the closing stopper is pushed out from the sealing member by pressure inside the container and moved toward the outer side of the container in the flow channel to open the flow channel.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: October 8, 2019
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Masahiro Naruse