Patents by Inventor Sho MITSUDA

Sho MITSUDA 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: 20220371384
    Abstract: A pneumatic tire comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper. The second sound damper has a hardness in a range of greater than 25N and no greater than 55N. The first sound damper has a hardness in a range of no less than 25N and less than 55N. The hardness of the second sound damper is greater than the hardness of the first sound damper. The hardness is measured in accordance with the Method A in Section 6.4 of the test methods as defined under the Hardness Tests in Section 6 of JIS K6400-2 (2012).
    Type: Application
    Filed: August 8, 2022
    Publication date: November 24, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masanao SHIBATA, Jun WATANABE, Shin SUKEGAWA, Takayuki OHARA, Suguru YAMAGUCHI, Hiroki HORI, Sho MITSUDA
  • Publication number: 20220324270
    Abstract: A tire according to the present disclosure includes a sound absorber on an inner surface of the tire, and a portion or all of the sound absorber is orange.
    Type: Application
    Filed: November 25, 2019
    Publication date: October 13, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Taiga ISHIHARA, Jun WATANABE, Suguru YAMAGUCHI, Keiichi KATO, Tomonori MUKAIGAWA, Makoto GOZU, Sho MITSUDA
  • Patent number: 11446967
    Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper, wherein the second sound damper has a hardness greater than a hardness of the first sound damper.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: September 20, 2022
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Masanao Shibata, Jun Watanabe, Shin Sukegawa, Takayuki Ohara, Suguru Yamaguchi, Hiroki Hori, Sho Mitsuda
  • Publication number: 20220250421
    Abstract: A pneumatic tire of the present disclosure includes: a pair of bead cores embedded in a pair of bead portions, the pair of bead cores each including a pair of small bead cores divided in a tire width direction; and a carcass including one or more carcass plies, the carcass toroidally straddling between the pair of bead cores with end portions of the carcass each sandwiched between the pair of small bead cores and engaged with the small bead cores, in which a sound control body is disposed on an inner surface of the tire in the pair of bead portions.
    Type: Application
    Filed: November 25, 2019
    Publication date: August 11, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Taiga ISHIHARA, Jun WATANABE, Suguru YAMAGUCHI, Keiichi KATO, Tomonori MUKAIGAWA, Makoto GOZU, Sho MITSUDA
  • Publication number: 20200376889
    Abstract: A tire which includes a carcass which extends from a pair of bead portions through a sidewall portion to reach a tread portion and an inner liner disposed at an inner circumferential surface of a tire main body is provided. The tire further includes a sound control layer which covers at least a part of an inner circumferential surface of the tire. The inner liner includes an end in a tire width direction annularly extending in a tire circumferential direction on the inner circumferential surface of the tire main body. The sound control layer is fixed on the end in a tire width direction to cover at least a part of a periphery of the end in a tire width direction of the inner liner.
    Type: Application
    Filed: June 26, 2018
    Publication date: December 3, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masanao SHIBATA, Jun WATANABE, Shin SUKEGAWA, Takayuki OHARA, Suguru YAMAGUCHI, Hiroki HORI, Sho MITSUDA
  • Publication number: 20200215858
    Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on a tire internal space side of the first sound damper, and being made of a sponge material; and a communication device retained between the first sound damper and the second sound damper, wherein the second sound damper has a hardness greater than a hardness of the first sound damper.
    Type: Application
    Filed: June 27, 2018
    Publication date: July 9, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masanao SHIBATA, Jun WATANABE, Shin SUKEGAWA, Takayuki OHARA, Suguru YAMAGUCHI, Hiroki HORI, Sho MITSUDA
  • Publication number: 20200164702
    Abstract: A pneumatic tire in accordance with the present disclosure comprises a first sound damper fixed to a tire inner surface and being made of a sponge material; a second sound damper disposed on an inner-tire space side of the first sound damper, and being made of a sponge material; and a sensor retained to at least the first sound damper, the sensor being configured to detect a displacement of the tire inner surface or a physical quantity calculable based on the displacement of the tire inner surface, wherein the first sound damper has a hardness greater than a hardness of the second sound damper.
    Type: Application
    Filed: August 6, 2018
    Publication date: May 28, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masanao SHIBATA, Jun WATANABE, Shin SUKEGAWA, Takayuki OHARA, Suguru YAMAGUCHI, Hiroki HORI, Sho MITSUDA
  • Publication number: 20200139768
    Abstract: A tire includes a pair of bead portions, a pair of sidewall portions arranged at an outer side in a tire radial direction of the bead portions and a tread portion arranged between the sidewall portions, and a reinforcing rubber layer is provided to the sidewall portions. The reinforcing rubber layer extends over at least a part of the tread portion from the sidewall portions. The tire further includes a sound control layer which covers at least a part of an inner circumferential surface of the tire. The sound control layer is not laminated on the reinforcing rubber layer.
    Type: Application
    Filed: June 26, 2018
    Publication date: May 7, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Masanao SHIBATA, Jun WATANABE, Shin SUKEGAWA, Takayuki OHARA, Suguru YAMAGUCHI, Hiroki HORI, Sho MITSUDA