Patents by Inventor Seiji Hatano
Seiji Hatano 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).
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Publication number: 20240122296Abstract: Footwear includes a sole portion that supports a foot sole of a foot of a wearer, the sole portion including a ground contact surface and a shock absorbing portion formed of an elastic body. The shock absorbing portion includes a three-dimensional mesh structure portion in which a plurality of unit structures are repeatedly arranged so as to be adjacent to each other and an irregularly shaped portion that has a different shape from each of the unit structures and is at least partially embedded in the three-dimensional mesh structure portion. The irregularly shaped portion includes a protruding plate portion in which a central portion protrudes relative to a peripheral edge portion in a direction orthogonal to the ground contact surface.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Yuka MATSUHISA, Seiji YANO, Kenji HIRATA, Genki HATANO
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Publication number: 20240122295Abstract: Footwear includes a shell including an outsole portion; and a sole body including a footbed portion. The footbed portion includes a shock absorbing portion formed of a three-dimensional mesh structure body so as to extend to a peripheral surface of the footbed portion. An engaged portion is disposed in an inner side surface of the outsole portion, and an engaging portion is disposed in a portion of the shock absorbing portion that corresponds to the peripheral surface. One of the engaged portion and the engaging portion is a protruding portion while the other one of the engaged portion and the engaging portion is a cutout portion provided as a recessed portion or a hole portion. An occupied volume ratio of a region including at least a portion defining the engaging portion in the shock absorbing portion is locally increased.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Yuka MATSUHISA, Seiji YANO, Kenji HIRATA, Genki HATANO
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Publication number: 20240122297Abstract: Footwear includes a footbed portion including a support region. The support region includes an upper surface-side projection portion forming region having a plurality of upper surface-side projection portions. A maximum outer dimension in a cross-section orthogonal to a projecting direction of each of the plurality of upper surface-side projection portions is not greater than 3.0 mm. A projection length of each of the plurality of upper surface-side projection portions is not less than 4.0 mm and not greater than 13.0 mm, and an arrangement density of the plurality of upper surface-side projection portions in the upper surface-side projection portion forming region is not less than 10% and not greater than 100% in terms of an area ratio. An elastic modulus of a material forming the plurality of upper surface-side projection portions is not less than 0.1 MPa and not greater than 100 MPa.Type: ApplicationFiled: October 12, 2023Publication date: April 18, 2024Inventors: Yuka MATSUHISA, Seiji YANO, Kenji HIRATA, Genki HATANO
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Patent number: 11433705Abstract: A studless tire having a tread composed of a rubber composition for a tread comprising 1 to 20 parts by mass of a farnesene resin and 1 to 20 parts by mass of a terpene resin based on 100 parts by mass of a rubber component.Type: GrantFiled: February 27, 2018Date of Patent: September 6, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya Kunisawa, Shuichiro Ono, Kenichi Uesaka, Seiji Hatano
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Publication number: 20200009914Abstract: A studless tire having a tread composed of a rubber composition for a tread comprising 1 to 20 parts by mass of a farnesene resin and 1 to 20 parts by mass of a terpene resin based on 100 parts by mass of a rubber component.Type: ApplicationFiled: February 27, 2018Publication date: January 9, 2020Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Tetsuya KUNISAWA, Shuichiro ONO, Kenichi UESAKA, Seiji HATANO
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Patent number: 10494510Abstract: Provided are a rubber composition for tires that achieves a balanced improvement in fuel economy, abrasion resistance, and performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires containing predetermined amounts of natural rubber, polybutadiene rubber, silica, and a silane coupling agent represented by a specific formula.Type: GrantFiled: February 15, 2016Date of Patent: December 3, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Seiji Hatano, Yuka Yokoyama
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Publication number: 20190100643Abstract: There is provided a tire assuring that variation with time of hardness is inhibited and ride comfort performance can be maintained for a long period of time. The tire is provided with a tread composed of a rubber composition comprising 2 to 20 parts by mass of a liquid farnesene resin and 10 to 150 parts by mass of silica based on 100 parts by mass of a rubber component, wherein a total content of the liquid farnesene resin and a plasticizer is 2 to 100 parts by mass.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Seiji HATANO
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Publication number: 20180030248Abstract: Provided are a rubber composition for tires that achieves a balanced improvement in fuel economy, abrasion resistance, and performance on ice, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires containing predetermined amounts of natural rubber, polybutadiene rubber, silica, and a silane coupling agent represented by a specific formula.Type: ApplicationFiled: February 15, 2016Publication date: February 1, 2018Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Seiji HATANO, Yuka YOKOYAMA
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Patent number: 9856362Abstract: Provided are a rubber composition for tires that shows a balanced improvement in properties such as fuel economy, processability, heat aging resistance, abrasion resistance, wet-grip performance, performance on snow and ice, and handling stability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing: a highly purified, modified natural rubber having a pH adjusted to 2 to 7, and a silica having a CTAB specific surface area of 180 m2/g or more and a BET specific surface area of 185 m2/g or more, and also relates to a pneumatic tire formed from the rubber composition.Type: GrantFiled: November 27, 2014Date of Patent: January 2, 2018Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Toshiaki Sakaki, Yuka Yokoyama, Seiji Hatano
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Publication number: 20170218170Abstract: A rubber composition comprising silica that has a BET specific surface area of not more than 130 m2/g and hardness of granulated particles as measured based on JIS K6221-1982 6.3.3 of not less than 23.5 cN can provide a rubber composition which is excellent in rubber physical properties while maintaining energy efficiency. A tire comprising a component consisted of the rubber composition can be also provided.Type: ApplicationFiled: July 29, 2015Publication date: August 3, 2017Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Seiji HATANO, Yuka YOKOYAMA, Kouhei TANAKA, Akira MINAGOSHI, Kazuo HOCHI, Masanobu NAKAMURA, Toshikazu KONDO, Kenichiro OGATA
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Publication number: 20160297947Abstract: Provided are a rubber composition for tires that shows a balanced improvement in properties such as fuel economy, processability, heat aging resistance, abrasion resistance, wet-grip performance, performance on snow and ice, and handling stability, and a pneumatic tire formed from the rubber composition. The present invention relates to a rubber composition for tires, containing: a highly purified, modified natural rubber having a pH adjusted to 2 to 7, and a silica having a CTAB specific surface area of 180 m2/g or more and a BET specific surface area of 185 m2/g or more, and also relates to a pneumatic tire formed from the rubber composition.Type: ApplicationFiled: November 27, 2014Publication date: October 13, 2016Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Toshiaki SAKAKI, Yuka YOKOYAMA, Seiji HATANO
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Patent number: 8808824Abstract: An aspect of the present invention relates to an optical information recording medium comprising a recording layer on a surface of a support, wherein the surface of the support has pregrooves with a track pitch ranging from 50 to 500 nm, the recording layer comprises an azo metal complex dye being a complex of six azo dyes and seven transition metal ions. A further aspect of the present invention relates to a method of recording information onto the optical information recording medium and a novel azo metal complex dye.Type: GrantFiled: September 25, 2009Date of Patent: August 19, 2014Assignee: FUJIFILM CorporationInventors: Kousuke Watanabe, Taisuke Fujimoto, Tetsuya Watanabe, Masashi Ogiyama, Seiji Hatano, Taro Hashizume, Hirokazu Hashimoto
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Publication number: 20110177281Abstract: An aspect of the present invention relates to an optical information recording medium comprising a recording layer on a surface of a support, wherein the surface of the support has pregrooves with a track pitch ranging from 50 to 500 nm, the recording layer comprises an azo metal complex dye being a complex of six azo dyes and seven transition metal ions. A further aspect of the present invention relates to a method of recording information onto the optical information recording medium and a novel azo metal complex dye.Type: ApplicationFiled: September 25, 2009Publication date: July 21, 2011Applicant: FUJIFILM CORPORATIONInventors: Kousuke Watanabe, Taisuke Fujimoto, Tetsuya Watanabe, Masashi Ogiyama, Seiji Hatano, Taro Hashizume, Hirokazu Hashimoto
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Patent number: 7439309Abstract: Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.Type: GrantFiled: March 22, 2005Date of Patent: October 21, 2008Assignee: Fujifilm CorporationInventors: Terukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
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Patent number: 7189500Abstract: A photothermographic image-recording material with improved storability before image formation and improved coating characteristics, which has a support having provided thereon an image-forming layer, the layer having at least one light-insensitive organic silver salt, a reducing agent for silver ion and a binder, wherein the binder has a polymer having a recurring unit represented by the formula (1), and the content of the recurring unit represented by the formula (1) in the polymer is from 0.1 to 50% by weight.Type: GrantFiled: September 18, 2001Date of Patent: March 13, 2007Assignee: Fuji Photo Film Co., Ltd.Inventors: Yoshihisa Tsukada, Hajime Nakagawa, Seiji Hatano, Tomokazu Yasuda
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Publication number: 20060178457Abstract: Disclosed is an optical material comprising a matrix formed of a polymer and at least a compound selected from a group denoted by a formula (1a) or formula (2a), wherein R1a, R2a and R3a respectively denote an optionally substituted alkyl group; R4a and R4a respectively denote an optionally substituted alkyl group; and L1a to L5a respectively denote a hydrogen atom, a halogen atom, an optionally substituted alkyl group or the like provided that at least two of L1a, L2a, L3a, L4a and L5a denote a halogen atom, an optionally substituted alkyl group, an optionally substituted alkoxy group or an optionally substituted alkylthio group.Type: ApplicationFiled: January 6, 2004Publication date: August 10, 2006Inventors: Hiroki Sasaki, Talayasu Yasuda, Seiji Hatano
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Publication number: 20050171296Abstract: Disclosed is a silver halide photographic light-sensitive material, which has at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z-SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.Type: ApplicationFiled: March 22, 2005Publication date: August 4, 2005Inventors: Terukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
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Patent number: 6897014Abstract: Disclosed is a silver halide photographic light-sensitive material, which comprises at least one polymer compound having a nitrogen-containing aromatic ring having a mercapto group represented by the formula Z—SH wherein Z represents a nitrogen-containing aromatic ring as a partial structure. This silver halide photographic light-sensitive material can stably contain silver halide grains of a high aspect ratio showing high sensitivity and superior planarity, shows superior pressure resistance and can be stably prepared.Type: GrantFiled: February 14, 2003Date of Patent: May 24, 2005Assignee: Fuji Photo Film Co., Ltd.Inventors: Terukazu Yanagi, Makiko Yokoi, Mamoru Sakurazawa, Yoshihisa Tsukada, Seiji Hatano
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Patent number: 6825275Abstract: A rubber composition for adhering to steel cords, having excellent heat-resistant adhesion and moist heat-resistant adhesion, as well as initial adhesion, and performance at a level comparable to or higher than that of the related art in resistance to rubber fracture, is made from components (A) and (B), which are blended to 100 weight parts of rubber components containing natural rubber and/or diene synthetic rubber, wherein component (A) is a mixture of a compound containing nickel and a compound containing molybdenum; or a compound containing nickel and molybdenum simultaneously, in a metal-converted amount of 0.01 to 10 weight parts; and component (B) is a mixture of (b1), which is 0.2 to 20 weight parts of hexamethylenetetramine or a melamine derivative, and (b2), which is 0.1 to 10 weight parts of at least one selected from the group consisting of phenol resins, resorcin, resorcin derivatives, and cresol resins.Type: GrantFiled: May 24, 2001Date of Patent: November 30, 2004Assignee: Toyo Tire & Rubber Co., Ltd.Inventors: Seiji Hatano, Hirofumi Hayashi
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Publication number: 20040044140Abstract: The invention aims at providing a rubber composition for adhering to steel cords which is excellent in heat-resistant adhesion and moist heat-resistant adhesion as well as initial adhesion and has performance of a level similar to or higher than that of the related art in resistance to rubber fracture, wherein the following components (A) and (B) are blended to 100 weight parts of rubber components containing natural rubber and/or diene synthetic rubber:Type: ApplicationFiled: May 24, 2001Publication date: March 4, 2004Inventors: Seiji Hatano, Hirofumi Hayashi