Patents by Inventor Hiromitsu Sasaki
Hiromitsu Sasaki 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: 20240117178Abstract: A resin composition containing: a block copolymer (I) having a polymer block (a1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (a2) containing a structural unit derived from a conjugated diene compound; a plasticizer (II); and a biomass-derived polyolefin-based resin (III); in which the plasticizer (II) contains a plasticizer (II-1) containing a biomass-derived raw material; and in which the resin composition has a biobased content of 45% by mass or more, and a molded body obtained by using the resin composition.Type: ApplicationFiled: January 28, 2022Publication date: April 11, 2024Applicant: KURARAY CO., LTD.Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Takahiro SEKIGUCHI, Yuta TOMISHIMA, Takumi HASEGAWA
-
Patent number: 11951731Abstract: Provided are a multilayer body in which base materials composed of a metal, a resin or the like are firmly bonded to each other even when not subjected to primer treatment or the like, and a method for producing the multilayer body. The multilayer body has a base material (X), an adhesive layer (Y), and a base material (Z) in this order, wherein the adhesive layer (Y) contains a hydrogenated block copolymer (A) obtained by hydrogenating a block copolymer (P) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) composed of a structural unit derived from a conjugated diene, the mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) is 1/99 to 50/50, and the adhesive layer (Y) has a storage modulus G? at 100° C. of 1.2×105 to 4.0×105 Pa.Type: GrantFiled: February 25, 2021Date of Patent: April 9, 2024Assignee: KURARAY CO., LTD.Inventors: Daisuke Konishi, Hiromitsu Sasaki, Yuta Tomishima
-
Publication number: 20230235162Abstract: A thermoplastic elastomer composition including an acrylic block copolymer (I) and a hydrogenated block copolymer (II). The content of the acrylic block copolymer (I) is 70 to 300 parts by mass with respect to 100 parts by mass of the hydrogenated block copolymer (II); the hydrogenated block copolymer (II) is a hydrogenated product of a block copolymer (P) including a polymer block (A1) containing structural units derived from an aromatic vinyl compound, and a polymer block (B1) containing 1 to 100 mass % of structural units (b1) derived from farnesene and 99 to 0 mass % of structural units (b2) derived from a conjugated diene other than farnesene, the mass ratio [(A1)/(B1)] of the polymer block (A1) to the polymer block (B1) being 1/99 to 70/30; and the hydrogenation ratio of carbon-carbon double bonds in the polymer block (B1) is 50 to 100 mol %.Type: ApplicationFiled: April 8, 2021Publication date: July 27, 2023Applicant: KURARAY CO., LTD.Inventors: Moe KAWAHARA, Makoto AKAI, Daisuke KONISHI, Hiromitsu SASAKI
-
Publication number: 20230109535Abstract: Provided are a multilayer body in which base materials composed of a metal, a resin or the like are firmly bonded to each other even when not subjected to primer treatment or the like, and a method for producing the multilayer body. The multilayer body has a base material (X), an adhesive layer (Y), and a base material (Z) in this order, wherein the adhesive layer (Y) contains a hydrogenated block copolymer (A) obtained by hydrogenating a block copolymer (P) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) composed of a structural unit derived from a conjugated diene, the mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) is 1/99 to 50/50, and the adhesive layer (Y) has a storage modulus G? at 100° C. of 1.2×105 to 4.0×105 Pa.Type: ApplicationFiled: February 25, 2021Publication date: April 6, 2023Applicant: KURARAY CO., LTD.Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Yuta TOMISHIMA
-
Publication number: 20230025461Abstract: A resin composition containing an ethylene-vinyl acetate copolymer (I) and a hydrogenated block copolymer (II), wherein the hydrogenated block copolymer (II) is a hydrogenated product of a block copolymer (P) containing a polymer block (A) containing a structural unit derived from an aromatic vinyl compound and a polymer block (B) containing 1 to 100% by mass of a structural unit (b1) derived from farnesene and 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, wherein the hydrogenation rate of carbon-carbon double bonds in the structural unit derived from a conjugated diene in the block copolymer (P) is 70 mol % or more, and in the resin composition, the content of the ethylene-vinyl acetate copolymer (I) is 40 to 95% by mass and the content of the hydrogenated block copolymer (II) is 5 to 60% by mass.Type: ApplicationFiled: February 25, 2021Publication date: January 26, 2023Applicant: KURARAY CO., LTD.Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Takumi HASEGAWA, Kazumasa KUSUDO
-
Publication number: 20220403145Abstract: Provided are: a resin composition containing a rubber (I), a block copolymer (II) and a crosslinking agent (III), wherein the ratio by mass of the rubber (I) to the block copolymer (II), (I)/(II) is 99/1 to 55/45, and the block copolymer (II) is a block copolymer containing a polymer block (A) that contains an aromatic vinyl compound-derived structural unit and a polymer block (B) that contains a farnesene-derived structural unit (b1), and a molded article of the resin composition.Type: ApplicationFiled: November 18, 2020Publication date: December 22, 2022Applicant: KURARAY CO., LTD.Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Takumi HASEGAWA
-
Publication number: 20200139599Abstract: The present invention relates to a multilayered film having a high degree of freedom regarding selection of a material and a decoration method, which is not only excellent in handling properties and low-temperature adhesiveness to adherends of various materials but also applicable to decorative molding of every sort in a three-dimensional solid shape, and a method for producing the same.Type: ApplicationFiled: June 6, 2018Publication date: May 7, 2020Applicant: KURARAYCO., LTD.Inventors: Hiroshi KAWAKITA, Katsuei TAKAHASHI, Hiromitsu SASAKI
-
Patent number: 10597481Abstract: A hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, a polymer block (B) containing a structural unit derived from farnesene, and a polymer block (C) containing a structural unit derived from a conjugated diene except farnesene, wherein the block copolymer contains at least two above polymer blocks (A), at least one above polymer block (B) and at least one above polymer block (C), and wherein at least one above polymer block (B) is at the terminal, and the hydrogenation rate of the carbon-carbon double bond in the polymer block (B) and the polymer block (C) is 50 mol % or more.Type: GrantFiled: February 5, 2016Date of Patent: March 24, 2020Assignees: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yosuke Uehara, Hiromitsu Sasaki, Daisuke Konishi, Masahiro Kato
-
Publication number: 20200079890Abstract: A hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, a polymer block (B) containing a structural unit derived from farnesene, and a polymer block (C) containing a structural unit derived from a conjugated diene except farnesene, wherein the block copolymer contains at least two above polymer blocks (A), at least one above polymer block (B) and at least one above polymer block (C), and wherein at least one above polymer block (B) is at the terminal, and the hydrogenation rate of the carbon-carbon double bond in the polymer block (B) and the polymer block (C) is 50 mol % or more.Type: ApplicationFiled: November 12, 2019Publication date: March 12, 2020Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yosuke UEHARA, Hiromitsu SASAKI, Daisuke KONISHI, Masahiro KATO
-
Publication number: 20190136092Abstract: The present disclosure is a layered product (20) comprising a base layer (10) and a pressure sensitive adhesive layer (11), which is in contact with the base layer (10). The base layer (10) comprises a (meth)acrylic resin (M), an acrylonitrile-butadiene-styrene resin, or a polyester resin. The pressure sensitive adhesive layer (11) contains a block copolymer (A) containing an aromatic vinyl compound polymer block (S) and a conjugated diene compound polymer block (D). The aromatic vinyl compound polymer block (S) forms a membrane structure phase (17) along the interface (12) between the base layer (10) and the pressure sensitive adhesive layer (11).Type: ApplicationFiled: May 17, 2017Publication date: May 9, 2019Applicant: KURARAY CO., LTD.Inventors: Kirihiro NAKANO, Keisuke ENOMOTO, Ryota HASHIMOTO, Yoshirou KOUDOU, Yoshiki MUKOO, Hiromitsu SASAKI
-
Patent number: 9994705Abstract: A thermoplastic elastomer composition comprising 100 parts by mass of a hydrogenated block copolymer (A) comprising a polymer block (a) consisting of a structural unit derived from an aromatic vinyl compound and a polymer block (b) comprising 1 to 100% by mass of a structural unit (b1) derived from farnesene and comprising 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, a mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) being 1/99 to 70/30; and 5 to 300 parts by mass of a polar group-containing olefinic polymer (B), is excellent in flexibility and molding processability and capable of adhering to a ceramic, a metal, a synthetic resin, or the like even through a heat treatment at low temperatures (for example, 190° C. or lower) without requiring a primer treatment or the like.Type: GrantFiled: December 11, 2014Date of Patent: June 12, 2018Assignees: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yusuke Tanaka, Hiromitsu Sasaki, Shota Suzuki, Yosuke Uehara
-
Publication number: 20180134890Abstract: A resin composition including a hydrogenated block copolymer (A) including a polymer block (a) consisting of a structural unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a structural unit (b1) derived from farnesene and containing 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, 50 mol % or more of a carbon-carbon double bond in the polymer block (b) being hydrogenated; and at least one resin (B) selected from the group consisting of a polyphenylene ether-based resin, a styrene-based resin, an acrylic resin, a polycarbonate-based resin, and a polyamide-based resin.Type: ApplicationFiled: December 11, 2014Publication date: May 17, 2018Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yusuke TANAKA, Hiromitsu SASAKI, Yosuke UEHARA, Daisuke KONISHI
-
Publication number: 20180134931Abstract: A sealant including a block copolymer comprising a polymer block (a) comprising a structural unit derived from an aromatic vinyl compound and a polymer block (b) comprising 1 to 100% by mass of a structural unit (b1) derived from farnesene and 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, a mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) being 5/95 to 45/55, is excellent in molding processability, flexibility, and adhesiveness and also excellent in sound insulation properties and vibration-damping properties (vibration attenuation properties) in a high frequency region in the neighborhood of 4,000 Hz even under high temperatures.Type: ApplicationFiled: December 11, 2014Publication date: May 17, 2018Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Hiromitsu SASAKI, Yosuke UEHARA
-
Publication number: 20180030194Abstract: A hydrogenated block copolymer prepared by hydrogenating a block copolymer that contains a polymer block (A) containing a structural unit derived from an aromatic vinyl compound, a polymer block (B) containing a structural unit derived from farnesene, and a polymer block (C) containing a structural unit derived from a conjugated, diene except farnesene, wherein the block copolymer contains at least two above polymer blocks (A), at least one above polymer block (B) and at least one above polymer block (C), and wherein at least one above polymer block (B) is at the terminal, and the hydrogenation rate of the carbon-carbon double bond in the polymer block (B) and the polymer block (C) is 50 mol % or more.Type: ApplicationFiled: February 5, 2016Publication date: February 1, 2018Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yosuke UEHARA, Hiromitsu SASAKI, Daisuke KONISHI, Masahiro KATO
-
Patent number: 9834666Abstract: Provided is a polyolefin-based resin composition including a hydrogenated block copolymer (A) and a polyolefin-based resin (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 55/45; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a mass ratio of the polyolefin-based resin (B) and the hydrogenated block copolymer (A) [{polyolefin-based resin (B)}/{hydrogenated block copolymer (A)}] being 1/99 to 99/1.Type: GrantFiled: September 29, 2014Date of Patent: December 5, 2017Assignees: KURARAY CO., LTD., AMYRIS, INC.Inventors: Hiromitsu Sasaki, Yosuke Uehara, Shota Suzuki
-
Patent number: 9752027Abstract: The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (A) and a softening agent (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (B) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (A).Type: GrantFiled: September 29, 2014Date of Patent: September 5, 2017Assignees: KURARAY CO., LTD., AMYRIS, INC.Inventors: Hiromitsu Sasaki, Yosuke Uehara, Masahiro Kato
-
Publication number: 20160347967Abstract: Provided is an aqueous emulsion including a block copolymer (I) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a structural unit (b1) derived from farnesene and 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, with a mass ratio [(a)/(b)] of the polymer block (a) and the polymer block (b) being 5/95 to 70/30; a protective colloid (II); and water, a content of the protective colloid (II) being 3 to 35 parts by mass based on 100 parts by mass of the block copolymer (I).Type: ApplicationFiled: February 6, 2015Publication date: December 1, 2016Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventor: Hiromitsu SASAKI
-
Publication number: 20160312023Abstract: A thermoplastic elastomer composition comprising 100 parts by mass of a hydrogenated block copolymer (A) comprising a polymer block (a) consisting of a structural unit derived from an aromatic vinyl compound and a polymer block (b) comprising 1 to 100% by mass of a structural unit (b1) derived from farnesene and comprising 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, a mass ratio[(a)/(b)] of the polymer block (a) to the polymer block (b) being 1/99 to 70/30; and 5 to 300 parts by mass of a polar group-containing olefinic polymer (B), is excellent in flexibility and molding processability and capable of adhering to a ceramic, a metal, a synthetic resin, or the like even through a heat treatment at low temperatures (for example, 190° C. or lower) without requiring a primer treatment or the like.Type: ApplicationFiled: December 11, 2014Publication date: October 27, 2016Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yusuke TANAKA, Hiromitsu SASAKI, Shota SUZUKI, Yosuke UEHARA
-
Publication number: 20160297956Abstract: Provided is a polyolefin-based resin composition including a hydrogenated block copolymer (A) and a polyolefin-based resin (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 55/45; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a mass ratio of the polyolefin-based resin (B) and the hydrogenated block copolymer (A) [{polyolefin-based resin (B)}/{hydrogenated block copolymer (A)}] being 1/99 to 99/1.Type: ApplicationFiled: September 29, 2014Publication date: October 13, 2016Applicants: KURARAY CO., LTD., AMYRIS, INC.Inventors: Hiromitsu SASAKI, Yosuke UEHARA, Shota SUZUKI
-
Patent number: 9353201Abstract: The present invention relates to a hydrogenated block copolymer including a polymer block (A) containing a constitutional unit derived from an aromatic vinyl compound and a polymer block (B) containing from 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and from 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than the farnesene, in which 50 mol % or more of carbon-carbon double bonds in the polymer block (B) are hydrogenated.Type: GrantFiled: May 31, 2013Date of Patent: May 31, 2016Assignees: KURARAY CO., LTD., AMYRIS, INC.Inventors: Yosuke Uehara, Hiromitsu Sasaki