Patents by Inventor Mutsuki Sugimoto
Mutsuki Sugimoto 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: 20240410791Abstract: This tire state estimation method includes the following. (1) Disposing, on the inner side of a tire, at least one power generator that generates voltage in response to deformation of the tire. (2) Acquiring measurement data in a time series obtained by measuring, while the tire is rotating, the voltage and/or a physical quantity corresponding to the voltage. (3) Identifying a peak that repeatedly appears in the measurement data. (4) Identifying a value of the peak and/or an interval of the peak. (5) Estimating the state of the tire on the basis of the identified value and/or the identified interval. The power generator is provided with a first member and a second member. The first member and the second member are configured such that one is positively charged and the other is negatively charged in accordance with pressure applied to the first member and the second member.Type: ApplicationFiled: September 28, 2022Publication date: December 12, 2024Applicants: Sumitomo Rubber Industries, Ltd., The School Corporation Kansai UniversityInventors: Takahiro FUJIWARA, Mutsuki SUGIMOTO, Kenichi KURODA, Kyota SUGIOKA, Hiroshi TANI
-
Publication number: 20240208274Abstract: A fire assembly can include a tire, a sound absorbing material, and a plurality of functional components. The sound absorbing material can be placed on an inner side of the tire. The plurality of functional components can be placed on the inner side of the tire. The plurality of functional components can be placed such that masses of the plurality of functional components as a whole are distributed along a circumferential direction of the tire.Type: ApplicationFiled: November 15, 2023Publication date: June 27, 2024Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Naoki YUKAWA, Mutsuki SUGIMOTO, Kenichi KURODA, Takahiro FUJIWARA, Kyota SUGIOKA
-
Publication number: 20240208278Abstract: A tire assembly includes a tire, a fixing member, and one or a plurality of functional members. The tire includes an attachment-receiving portion on an inside surface of the tire. The fixing member includes a body portion extending along a circumferential direction of the tire, and an attaching portion attachable to and detachable from the attachment-receiving portion. The one or plurality of functional members are configured to be fixed to the fixing member. The body portion includes at least one of metal, synthetic resin, or rubber.Type: ApplicationFiled: December 11, 2023Publication date: June 27, 2024Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Takahiro FUJIWARA, Mutsuki SUGIMOTO, Kenichi KURODA, Kyota SUGIOKA, Hiroshi TANI
-
Publication number: 20240123776Abstract: A tire assembly includes a tire for mounting on a vehicle, an elastic body disposed on an inner side of the tire, and a power generation body disposed between an inner surface of the tire and the elastic body. The power generation body includes a first member and a second member. The first member has a first insulating film forming a first surface. The second member has a second insulating film forming a second surface that faces the first surface and contacts the first surface. The elastic body biases the power generation body toward the inner surface of the tire.Type: ApplicationFiled: October 6, 2021Publication date: April 18, 2024Applicants: Sumitomo Rubber Industries, Ltd., The School Corporation Kansai UniversityInventors: Mutsuki SUGIMOTO, Hiroshi TANI, Kenichi KURODA, Takahiro FUJIWARA, Kyota SUGIOKA
-
Patent number: 11569761Abstract: A power generation body includes a first member, a second member, and a packaging body. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second film that opposes the first surface and comes into contact with the first surface. The packaging body hermetically seals the first member and the second member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.Type: GrantFiled: February 1, 2021Date of Patent: January 31, 2023Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Mutsuki Sugimoto, Hiroshi Tani
-
Patent number: 11437932Abstract: A power generation body includes a first member, a second member, and a cushioning material. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second surface that opposes the first surface and comes into contact with the first surface. The cushioning material is arranged on a side opposite to the first surface of the first member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface area changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.Type: GrantFiled: February 1, 2021Date of Patent: September 6, 2022Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Mutsuki Sugimoto, Hiroshi Tani
-
Patent number: 11421066Abstract: An object of the present invention is to provide a novel polymer composition for stereolithography that is capable of suitably providing an elastic molded product by stereolithography. A polymer composition for stereolithography containing a liquid polymer and a monomer, the polymer composition for stereolithography having a viscosity of 3,000 mPa·s or less, the viscosity being measured in an environment of a temperature of 25° C. and a relative humidity of 50% using an E-type viscometer under conditions of a cone plate diameter ? of 25 mm and a shear rate of 100 sec?1.Type: GrantFiled: October 30, 2020Date of Patent: August 23, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Mutsuki Sugimoto, Takuro Akasaka
-
Publication number: 20220106478Abstract: A polymer composition for stereolithography containing a liquid polymer, a monomer, a photopolymerization initiator, and a thermal polymerization initiator.Type: ApplicationFiled: August 25, 2021Publication date: April 7, 2022Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Mutsuki SUGIMOTO, Takuro AKASAKA
-
Publication number: 20220088972Abstract: A tire can include a first magnetic body disposed at a predetermined position in a tread portion, a magnetic sensor disposed radially inward of the first magnetic body, and a second magnetic body disposed closer to the magnetic sensor than the first magnetic body is. At a position where the magnetic sensor is disposed, a direction of a magnetic force line emitted by the first magnetic body and a direction of a magnetic force line emitted by the second magnetic body can be different from each other.Type: ApplicationFiled: September 23, 2021Publication date: March 24, 2022Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Hiroto SETOKAWA, Kazuhisa FUSHIHARA, Mutsuki SUGIMOTO, Yukio NAKAO
-
Publication number: 20220063351Abstract: Provided is a run-flat tire having improved durability performance during travel while the tire is running flat. A surface section of a sidewall of the run-flat tire is provided with an uneven section. A sidewall reinforcement layer is configured such that a breaking strength TB (MPa) at 100° C.×an elongation at break EB (%) is 320 or more and a loss tangent 100° C. tan ? at 100° C. is 0.06 or less, and the sidewall is configured such that a loss tangent 60° C. tan ? at 60° C. is 0.17 or less and |60° C. tan ??75° C. tan ?| is less than 0.05.Type: ApplicationFiled: January 21, 2020Publication date: March 3, 2022Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Daichi AOKI, Mutsuki SUGIMOTO, Takanobu KAWAMURA
-
Patent number: 11130300Abstract: A pneumatic tire and a method for producing the pneumatic tire, wherein the pneumatic tire includes a generally string-shaped adhesive sealant, the sealant is continuously and spirally attached at least to the inner periphery of the tire that corresponds to a tread portion, the sealant has a wider portion on at least one of the longitudinal ends thereof, and the wider portion has a width larger than that of the longitudinally adjoining portion.Type: GrantFiled: October 16, 2015Date of Patent: September 28, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoki Yukawa, Satoshi Yamada, Mutsuki Sugimoto
-
Publication number: 20210257931Abstract: A power generation body includes a first member, a second member, and a packaging body. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second film that opposes the first surface and comes into contact with the first surface. The packaging body hermetically seals the first member and the second member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.Type: ApplicationFiled: February 1, 2021Publication date: August 19, 2021Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Mutsuki SUGIMOTO, Hiroshi TANI
-
Publication number: 20210257933Abstract: A power generation body includes a first member, a second member, and a cushioning material. The first member includes a first insulating film that forms a first surface. The second member includes a second insulating film that forms a second surface that opposes the first surface and comes into contact with the first surface. The cushioning material is arranged on a side opposite to the first surface of the first member. The first member and the second member are configured such that a real contact surface area between the first surface and the second surface area changes according to pressure applied to the first member and the second member, and one of the first insulating film and the second insulating film is positively charged and the other is negatively charged due to the real contact surface area changing.Type: ApplicationFiled: February 1, 2021Publication date: August 19, 2021Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., THE SCHOOL CORPORATION KANSAI UNIVERSITYInventors: Mutsuki SUGIMOTO, Hiroshi Tani
-
Patent number: 11077725Abstract: Provided is a pneumatic tire having sufficient sealing performance. The present invention relates to a pneumatic tire including a sealant layer located radially inside an innerliner, the sealant layer being formed by applying a sealant to the inner periphery of a tire from which mold release agents have been removed.Type: GrantFiled: October 16, 2015Date of Patent: August 3, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoki Yukawa, Mutsuki Sugimoto, Satoshi Yamada
-
Patent number: 11072209Abstract: A pneumatic tire includes a resonator attached to the inner periphery of the tire, the resonator including a tube with an opening, and a cavity connected to the tube. The pneumatic tire further includes s a tread portion and each resonator faces the tread portion, the tread portion includes at least one circumferential longitudinal groove, and the opening is provided to penetrate a circumferential longitudinal groove of the tread portion.Type: GrantFiled: October 16, 2015Date of Patent: July 27, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoki Yukawa, Mutsuki Sugimoto, Satoshi Yamada
-
Publication number: 20210130523Abstract: An object of the present invention is to provide a novel polymer composition for stereolithography that is capable of suitably providing an elastic molded product by stereolithography. A polymer composition for stereolithography containing a liquid polymer and a monomer, the polymer composition for stereolithography having a viscosity of 3,000 mPa·s or less, the viscosity being measured in an environment of a temperature of 25° C. and a relative humidity of 50% using an E-type viscometer under conditions of a cone plate diameter ? of 25 mm and a shear rate of 100 sec31 1 .Type: ApplicationFiled: October 30, 2020Publication date: May 6, 2021Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Mutsuki SUGIMOTO, Takuro AKASAKA
-
Patent number: 10850575Abstract: Provided is a pneumatic tire in which a sealant layer entirely exhibits sufficient sealing performance. The present invention relates to a pneumatic tire including a sealant layer located radially inside an innerliner, the sealant layer being formed by continuously and spirally applying a generally string-shaped sealant to the inner periphery of a tire in the tire width direction from one side to the other, the attachment start portion of the sealant being located tire-widthwise inward from the tire-widthwise end of the sealant layer.Type: GrantFiled: October 16, 2015Date of Patent: December 1, 2020Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Naoki Yukawa, Yogun Kida, Mutsuki Sugimoto, Satoshi Yamada
-
Patent number: 10507692Abstract: To provide a rubber compound for tires, a pneumatic tire and an airless tire capable of improving the steering stability of the tire while exerting excellent low fuel consumption performance. A rubber compound for tires characterized in that, of vulcanized rubber's physical properties, a complex elastic modulus E*70 (unit: MPa) and a loss tangent tan ?70 under initial strain of 10%, dynamic strain of 2% and temperature of 70 degrees C., satisfy 90<E*70<250, and E*70/tan ?70>800. A pneumatic tire provided with a rubber member made of the above-mentioned rubber compound. An airless tire provided with a rubber member made of the above-mentioned rubber compound. An airless tire provided in a tread ring with a shear rubber layer made of the above-mentioned rubber compound.Type: GrantFiled: September 30, 2015Date of Patent: December 17, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Yuka Yokoyama, Mutsuki Sugimoto, Wako Iwamura, Makoto Sugiya
-
Patent number: 10494459Abstract: Provided are a rubber composition for pneumatic tires with excellent fluidity and excellent degradation resistance, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for pneumatic tires containing a rubber component including a halogenated butyl rubber, and an organic peroxide.Type: GrantFiled: October 16, 2015Date of Patent: December 3, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Mutsuki Sugimoto, Naoki Yukawa, Satoshi Yamada
-
Patent number: 10487160Abstract: Provided are a rubber composition for pneumatic tires which is excellent in adhesion, sealing performance, fluidity, and processability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for pneumatic tires containing, per 100 parts by mass of a rubber component including a butyl-based rubber: 100 to 400 parts by mass of a liquid polymer; 1 to 40 parts by mass of an organic peroxide; and 1 to 40 parts by mass of a crosslinking activator.Type: GrantFiled: October 16, 2015Date of Patent: November 26, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Mutsuki Sugimoto, Naoki Yukawa, Satoshi Yamada