Patents by Inventor Tomohiro Urata

Tomohiro Urata 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: 20220251447
    Abstract: Provided is an anti oxidant supply composition that enables replenishment of a rubber article with anti oxidant without taking a long time. An anti oxidant supply composition comprises: a base material and 5 mass % or more of anti oxidant, wherein a solubility parameter (SP value) of the base material is less than 7.8 (cal/cm3)1/2.
    Type: Application
    Filed: June 11, 2020
    Publication date: August 11, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Atsushi FUKUSHIMA, Hiroshi KANNO, Seiichi TAHARA, Takahiro MIURA, Tomohiro URATA
  • Publication number: 20220048339
    Abstract: Provided is a tire capable of maintaining excellent appearance over a long time. A tire comprises a polyurethane foam layer laminated on an outer layer of the tire, wherein, in the polyurethane foam layer, a binder layer is provided on a surface of a polyurethane foam.
    Type: Application
    Filed: September 12, 2019
    Publication date: February 17, 2022
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shinichi MUSHA, Yohei TAKEDA, Tomohiro URATA, Taisuke NAKAMURA
  • Publication number: 20210395518
    Abstract: Provided is a tire that prevents a polyurethane foam layer from discoloring to brown. A tire comprises: a polyurethane foam layer laminated on an outer layer of the tire with a barrier layer therebetween, wherein the polyurethane foam layer contains a polyurethane foam, and the barrier layer is formed from a rubber composition containing butyl rubber as a rubber component.
    Type: Application
    Filed: October 28, 2019
    Publication date: December 23, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Tomohiro URATA
  • Publication number: 20210340353
    Abstract: An object of the present disclosure is to provide a rubber composition having superiorly low air permeability and also exhibiting low adhesion to metal members. To achieve the object, a rubber composition includes: a rubber component (A); a layered or tabular clay mineral (B); and a workability-improving agent (C), wherein the rubber composition contains no stearic acid (D) or contains no more than 0.1 parts by mass of stearic acid (D) per 100 parts by mass of the rubber component (A).
    Type: Application
    Filed: August 8, 2019
    Publication date: November 4, 2021
    Applicant: Bridgestone Corporation
    Inventors: Tomohiro URATA, Yusuke YAMASAKI, Yujiro FUJIWARA
  • Publication number: 20200369863
    Abstract: The present invention relates to a rubber composition including a rubber component, a reinforcing filler containing a reinforcing filler A and a reinforcing filler B, a layered or platy mineral having an aspect ratio of 3 to 30, and a resin having a glass transition temperature of 41 to 75° C., wherein the reinforcing filler A is carbon black having a nitrogen adsorption specific surface area of less than 50 m2/g, and the reinforcing filler B is carbon black having a nitrogen adsorption specific surface area of 100 m2/g or more or silica having a nitrogen adsorption specific surface area of 100 m2/g or more, the rubber composition being able to produce a vulcanized rubber having excellent gas barrier properties and low-temperature durability.
    Type: Application
    Filed: October 31, 2018
    Publication date: November 26, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shoko SUZUKI, Tomohiro URATA
  • Patent number: 10838381
    Abstract: A setting system 1 includes a device configuration database DB1 that stores setting data in a first format in which a device parameter to be set to a field device 11 and identification information that logically identifies the device parameter are associated, and for which authority prescribed in advance is required in order to change the stored data, and in which, using device configuration information specifying the physical structure of the field device 11 and the setting data in the first format obtained by reference to the database DB1, setting data is generated in a second format in which physical information specifying the physical address at which the device parameter is to be set is associated with the device parameter, and is set to the field device. According to this setting system, it is possible to perform exchange of a field device without any requirement for engineering by a system engineer, thereby avoiding a device in production efficiency.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: November 17, 2020
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Hiroshi Mori, Fuyuki Mizushima, Tomohiro Urata
  • Publication number: 20200307133
    Abstract: Provided is a tire on which cracks on sidewall portion outer surfaces are unlikely to progress. The tire comprises a depthwise structure on at least a part of a sidewall portion, the depthwise structure comprising, in a depth direction from a point on a sidewall portion outer surface, a depthwise part from the sidewall portion outer surface to 0.5 mm and a depthwise part II from 0.5 mm to 1.0 mm, wherein: the depthwise part I and the depthwise part II satisfy: the depthwise part I: peak temperature T1 of tan ? is ?20° C. or more and ?5° C. or less, and when tang at the peak temperature T1 is ?1 and storage modulus at the peak temperature T1 is E?1, ?1?0.90 and E?1?5 MPa; and the depthwise part II: when tan ? at peak temperature T1 is ?2, and storage modulus at peak temperature T1 is E?2, ?2<?1 and E?2<E?1.
    Type: Application
    Filed: December 2, 2016
    Publication date: October 1, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiichi TAHARA, Shinichi MUSHA, Tomohiro URATA, Tatsuya NOMOTO
  • Patent number: 10662319
    Abstract: Provided is a rubber composition in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. Also provided is a tire in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. The rubber composition comprises a rubber component, a petroleum wax, and an antidegradant, wherein the petroleum wax comprises a C20-C34 hydrocarbon component and a C35 or higher hydrocarbon component, and a proportion of the C20-C34 hydrocarbon component is 15% by mass to 30% by mass and a proportion of the C35 or higher hydrocarbon component is 70% by mass to 85% by mass, based on a total mass of the C20-C34 hydrocarbon component and the C35 or higher hydrocarbon component.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: May 26, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventors: Tomohiro Urata, Seiichi Tahara
  • Patent number: 10640579
    Abstract: The present invention provides a modified conjugated diene polymer in which a phenoxy group of a polar group-containing phenoxy compound is bonded to at least one selected from the group consisting of the end, main chain, and side chain of a conjugated diene polymer, which can further improve a rubber composition in the low-heat-generation property and abrasion resistance, and a rubber composition using the same.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: May 5, 2020
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Tomohiro Urata
  • Publication number: 20190264010
    Abstract: Provided is a rubber composition in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. Also provided is a tire in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. The rubber composition comprises a rubber component, a petroleum wax, and an antidegradant, wherein the petroleum wax comprises a C20-C34 hydrocarbon component and a C35 or higher hydrocarbon component, and a proportion of the C20-C34 hydrocarbon component is 15% by mass to 30% by mass and a proportion of the C35 or higher hydrocarbon component is 70% by mass to 85% by mass, based on a total mass of the C20-C34 hydrocarbon component and the C35 or higher hydrocarbon component.
    Type: Application
    Filed: October 12, 2017
    Publication date: August 29, 2019
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Tomohiro URATA, Seiichi TAHARA
  • Publication number: 20190113898
    Abstract: A setting system 1 includes a device configuration database DB1 that stores setting data in a first format in which a device parameter to be set to a field device 11 and identification information that logically identifies the device parameter are associated, and for which authority prescribed in advance is required in order to change the stored data, and in which, using device configuration information specifying the physical structure of the field device 11 and the setting data in the first format obtained by reference to the database DB1, setting data is generated in a second format in which physical information specifying the physical address at which the device parameter is to be set is associated with the device parameter, and is set to the field device. According to this setting system, it is possible to perform exchange of a field device without any requirement for engineering by a system engineer, thereby avoiding a device in production efficiency.
    Type: Application
    Filed: October 10, 2018
    Publication date: April 18, 2019
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Hiroshi Mori, Fuyuki Mizushima, Tomohiro Urata
  • Publication number: 20180371291
    Abstract: An object of the present invention is to provide a coating composition that is capable of providing a cured film excellent in adhesion to a base material and flexural fatigue resistance. Another object of the present invention is to provide a cured film obtained from the coating composition, and a laminate and a tire each having the cured film formed thereon. The coating composition of the present invention contains a polythiol compound (A), a polyurethane having an ethylenically unsaturated group (B), and a radical generator (C).
    Type: Application
    Filed: December 15, 2016
    Publication date: December 27, 2018
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Tomohiro URATA, Shinichi MUSHA, Kotaro HAYAKAWA, Tatsuya FUNAKI, Akihide OOSAKU
  • Publication number: 20180345737
    Abstract: Provided is a tire on which cracks on sidewall portion outer surfaces are unlikely to progress. The tire comprises a depthwise part I from a point on a sidewall portion outer surface to 0.5 mm on at least a part of a sidewall portion, wherein: the depthwise part I satisfies the following requirement: the depthwise part I: comprising a natural rubber, a butadiene rubber, and a thermoplastic elastomer; a peak temperature T1 (° C.) of tan ? is ?20° C. or more and ?5° C. or less; and when tan ? at the peak temperature T1 (° C.) is ?1 and a storage modulus at the peak temperature T1 (° C.) is E?1 (MPa), ?1?0.90 and E?1?MPa.
    Type: Application
    Filed: December 2, 2016
    Publication date: December 6, 2018
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Seiichi TAHARA, Shinichi MUSHA, Tomohiro URATA, Tatsuya NOMOTO
  • Publication number: 20180016361
    Abstract: The present invention provides a modified conjugated diene polymer in which a phenoxy group of a polar group-containing phenoxy compound is bonded to at least one selected from the group consisting of the end, main chain, and side chain of a conjugated diene polymer, which can further improve a rubber composition in the low-heat-generation property and abrasion resistance, and a rubber composition using the same.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 18, 2018
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Tomohiro URATA
  • Patent number: 9012535
    Abstract: The present invention is to provide a production method of a natural rubber master batch including a step of mixing a natural rubber latex and an aqueous slurry having carbon black dispersed in water, wherein a mixing amount of the carbon black is from 10 to 100 parts by mass based on 100 parts by mass of a natural rubber component; and the carbon black is satisfied with the relationships expressed by (1) 120<CTAB adsorption specific surface area<160, (2) 50<24M4DBP<100, and (3) 75<toluene discoloration transmittance<95. Also, the present invention is to provide a natural rubber master batch obtained by the subject production method. Furthermore, the present invention is to provide a rubber composition using the foregoing natural rubber master batch and a tire using the subject rubber composition.
    Type: Grant
    Filed: November 25, 2008
    Date of Patent: April 21, 2015
    Assignee: Bridgestone Corporation
    Inventors: Hiroshi Yamada, Atsushi Nakayama, Tomohiro Urata
  • Publication number: 20100311898
    Abstract: The present invention is to provide a production method of a natural rubber master batch including a step of mixing a natural rubber latex and an aqueous slurry having carbon black dispersed in water, wherein a mixing amount of the carbon black is from 10 to 100 parts by mass based on 100 parts by mass of a natural rubber component; and the carbon black is satisfied with the relationships expressed by (1) 120<CTAB adsorption specific surface area<160, (2) 50<24M4DBP<100, and (3) 75<toluene discoloration transmittance<95. Also, the present invention is to provide a natural rubber master batch obtained by the subject production method. Furthermore, the present invention is to provide a rubber composition using the foregoing natural rubber master batch and a tire using the subject rubber composition.
    Type: Application
    Filed: November 25, 2008
    Publication date: December 9, 2010
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Hiroshi Yamada, Atsushi Nakayama, Tomohiro Urata