Patents by Inventor Natsuki MAEKAWA
Natsuki MAEKAWA 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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Patent number: 11433706Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.Type: GrantFiled: February 2, 2021Date of Patent: September 6, 2022Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Natsuki Maekawa, Koji Fujisawa, Hiroshi Ito, Ryosuke Harada, Daiko Fujimori
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Publication number: 20210155041Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Natsuki MAEKAWA, Koji FUJISAWA, Hiroshi ITO, Ryosuke HARADA, Daiko FUJIMORI
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Publication number: 20210129599Abstract: A pneumatic tyre 1 includes a carcass 6 extending between bead cores of bead portions via a tread portion 2 and sidewall portions, and a belt layer 7 arranged on an outer side in a tyre radial direction of the carcass 6 and inside of the tread portion 2. The pneumatic tyre 1 has a damping rubber body 30 arranged between the carcass 6 and the belt layer 7, and a noise damper 20 arranged on an inner cavity surface of the tread portion 2. A width W1 in a tyre axial direction of the damping rubber body 30 is in a range of from 60% to 130% of a width W2 in the tyre axial direction of the belt layer 7, and air permeability of the noise damper 20 measured in accordance with the Japanese Industrial Standard JIS-L1096 is 3.0 cm3/cm2/s or less.Type: ApplicationFiled: January 29, 2018Publication date: May 6, 2021Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masako NAKATANI, Takahiro KAWACHI, Ayuko YAMADA, Noboru OKABE, Keiji TAKAGI, Natsuki MAEKAWA, Kenji HAMAMURA, Subaru TOYA
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Patent number: 10940718Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.Type: GrantFiled: March 22, 2018Date of Patent: March 9, 2021Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Natsuki Maekawa, Koji Fujisawa, Hiroshi Ito, Ryosuke Harada, Daiko Fujimori
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Patent number: 10434822Abstract: Provided is a pneumatic tire having excellent wet grip performance. The present invention relates to a pneumatic tire including a tread formed from a rubber composition, the rubber composition having a tan ? and an E*, which at 0° C. satisfy the following relationship: tan ?/E*0.3?0.18.Type: GrantFiled: February 6, 2018Date of Patent: October 8, 2019Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.Inventor: Natsuki Maekawa
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Publication number: 20190300764Abstract: An object of the present disclosure is to provide an adhesive composition for an organic fiber which has excellent heat-resistant adhesiveness that allows an organic fiber and a rubber composition to maintain high adhesive force even when being exposed to high temperatures. An adhesive composition for an organic fiber contains: (a) an epoxy compound that is a sorbitol polyglycidyl ether and has a chlorine content not greater than 9.6% by weight; and (b) a blocked isocyanate.Type: ApplicationFiled: March 15, 2019Publication date: October 3, 2019Applicants: SUMITOMO RUBBER INDUSTRIES, LTD., NAGASE CHEMTEX CORPORATIONInventors: Masumi SUZUKI, Yogun KIDA, Takuya KURIHARA, Dong MIAO, Noboru OKABE, Natsuki MAEKAWA, Toyohiro NAGANO, Masato FUSHIKI, Tetsuya HOSOMI
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Publication number: 20190248182Abstract: A pneumatic tire 1 comprises a carcass 6 extending between a pair of bead portions 4, 4, an inner liner 10 arranged on an inner side in a tire radial direction of the carcass 6 and forming a tire inner cavity surface 16, and a noise damper 20 made of a porous material and fixed to the tire inner cavity surface 16 of the inner liner 10. A glass transition temperature Tg1 of the noise damper 20 is lower than a glass transition temperature Tg2 of the inner liner 10.Type: ApplicationFiled: April 25, 2019Publication date: August 15, 2019Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masako NAKATANI, Takahiro KAWACHI, Ayuko YAMADA, Masataka HIRO, Satomi YAMAUCHI, Shuichiro ONO, Tetsuya MAEKAWA, Natsuki MAEKAWA, Subaru TOYA
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Publication number: 20190030954Abstract: [ solution] A pneumatic tire 1 comprises a carcass 6 extending between a pair of bead portions 4, 4, an inner liner 10 arranged on an inner side in a tire radial direction of the carcass 6 and forming a tire inner cavity surface 16, and a noise damper 20 made of a porous material and fixed to the tire inner cavity surface 16 of the inner liner 10. A glass transition temperature Tg1 of the noise damper 20 is lower than a glass transition temperature Tg2 of the inner liner 10.Type: ApplicationFiled: December 6, 2017Publication date: January 31, 2019Applicant: Sumitomo Rubber Industries, Ltd.Inventors: Masako NAKATANI, Takahiro KAWACHI, Ayuko YAMADA, Masataka HIRO, Satomi YAMAUCHI, Shuichiro ONO, Tetsuya MAEKAWA, Natsuki MAEKAWA, Subaru TOYA
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Publication number: 20180304687Abstract: The present invention provides a composite that has good initial adhesion and good adhesion after high temperature and high humidity aging. Provided is a composite including: a topping rubber composition having a fatty acid content of 0.8% by mass or less; and an adherend plated with a copper-containing layer.Type: ApplicationFiled: March 22, 2018Publication date: October 25, 2018Applicant: SUMITOMO RUBBER INDUSTRIES, LTD.Inventors: Natsuki MAEKAWA, Koji FUJISAWA, Hiroshi ITO, Ryosuke HARADA, Daiko FUJIMORI
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Publication number: 20180236816Abstract: Provided is a pneumatic tire having excellent wet grip performance. The present invention relates to a pneumatic tire including a tread formed from a rubber composition, the rubber composition having a tan ? and an E*, which at 0° C. satisfy the following relationship: tan ?/E*0.3?0.18.Type: ApplicationFiled: February 6, 2018Publication date: August 23, 2018Applicant: Sumitomo Rubber Industries, Ltd.Inventor: Natsuki MAEKAWA
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Patent number: 9617565Abstract: [Problem] To provide an alcoholic fermentation yeast having resistance to limonene, which is a fermentation inhibitor, and a method for producing ethanol using the alcoholic fermentation yeast. [Solution] An alcoholic fermentation yeast Saccharomyces cerevisiae (Deposition No. NITE BP-890), which has resistance to limonene and can grow in the presence of limonene at a concentration of 0.1-0.5 wt %, and a method for producing ethanol using the alcoholic fermentation yeast.Type: GrantFiled: November 12, 2014Date of Patent: April 11, 2017Assignees: NIPPON STEEL & SUMIKIN ENGINEERING CO., LTD., EHIME PREFECTUREInventors: Natsuki Maekawa, Yasuhiko Katoh, Takafumi Kiuchi, Praneetrattananon Suthasinee, Shinji Okamoto, Kazuko Hirayama, Syunsuke Miyaoka, Hideaki Tadanobu, Masahiko Sudo
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Publication number: 20150132817Abstract: [Problem] To provide an alcoholic fermentation yeast having resistance to limonene, which is a fermentation inhibitor, and a method for producing ethanol using the alcoholic fermentation yeast. [Solution] An alcoholic fermentation yeast Saccharomyces cerevisiae (Deposition No. NITE BP-890), which has resistance to limonene and can grow in the presence of limonene at a concentration of 0.1-0.5 wt %, and a method for producing ethanol using the alcoholic fermentation yeast.Type: ApplicationFiled: November 12, 2014Publication date: May 14, 2015Inventors: Natsuki MAEKAWA, Yasuhiko KATOH, Takafumi KIUCHI, Praneetrattananon SUTHASINEE, Shinji OKAMOTO, Kazuko HIRAYAMA, Syunsuke MIYAOKA, Hideaki TADANOBU, Masahiko SUDO