Patents by Inventor Shinsuke Ikishima
Shinsuke Ikishima 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: 11707917Abstract: Provided is a multilayer co-extruded film comprising at least two different elasticity layers with at least one first elasticity layer and at least one second elasticity layer having higher elasticity than the at least one first elasticity layer, wherein the first elasticity layer comprises a combination of an olefin-based elastomer and a crystalline olefin polymer, and wherein the residual strain after 100% elongation during 10 min at 23° C. of the multilayer co-extruded film is less than 15%.Type: GrantFiled: April 16, 2020Date of Patent: July 25, 2023Assignee: NITTO DENKO CORPORATIONInventors: Muneshige Nakagawa, Sho Uchida, Shinsuke Ikishima
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Patent number: 11471549Abstract: Provided is a stretchable film having excellent stretchability, excellent air permeability, and an excellent deodorizing property. Also provided is an article including such stretchable film. A stretchable film of the present invention is a film having stretchability, and includes a deodorant. The stretchable film of the present invention is a film having stretchability, and has a deodorization efficiency for each of ammonia and hydrogen sulfide 3 hours after the start of a deodorization test, the deodorization efficiency being measured by a detector tube method, of 10% or more.Type: GrantFiled: September 14, 2017Date of Patent: October 18, 2022Assignee: NITTO DENKO CORPORATIONInventors: Muneshige Nakagawa, Kohei Takeda, Shinsuke Ikishima
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Publication number: 20220212451Abstract: A problem to be solved by the invention is to provide a stretchable laminate achieving both of excellent elongation and an excellent breaking strength, and a method of manufacturing the laminate. A stretchable laminate of the present invention includes non-woven fabric layers and an elastomer layer. The non-woven fabric layers are each a long-fiber hydroentangled non-woven fabric. The stretchable laminate achieving both of excellent elongation and an excellent breaking strength is obtained by using the long-fiber hydroentangled non-woven fabric, which is a non-woven fabric formed through the fixation of fibers formed by a spun-laid method by a hydroentangling method.Type: ApplicationFiled: April 24, 2020Publication date: July 7, 2022Applicant: NITTO DENKO CORPORATIONInventors: Sho UCHIDA, Muneshige NAKAGAWA, Shinsuke IKISHIMA
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Patent number: 11369528Abstract: Provided is a stretchable laminate that achieves both a weight reduction and an extension strength, and that can be stably produced. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, wherein when a longitudinal direction of the stretchable laminate is defined as an MD direction and a direction perpendicular to the longitudinal direction is defined as a CD direction, a ratio [10% extension strength in MD direction (N/30 mm)]/[basis weight (gsm)] of the stretchable laminate is 0.14 (N/30 mm·gsm) or more.Type: GrantFiled: March 3, 2017Date of Patent: June 28, 2022Assignee: NITTO DENKO CORPORATIONInventors: Kohei Takeda, Shinsuke Ikishima, Ryuji Kuwabara
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Publication number: 20220194052Abstract: Provided is a multilayer co-extruded film comprising at least two different elasticity layers with at least one first elasticity layer and at least one second elasticity layer having higher elasticity than the at least one first elasticity layer, wherein the first elasticity layer comprises a combination of an olefin-based elastomer and a crystalline olefin polymer, and wherein the residual strain after 100% elongation during 10 min at 23° C. of the multilayer co-extruded film is less than 15%.Type: ApplicationFiled: April 16, 2020Publication date: June 23, 2022Applicant: NITTO DENKO CORPORATIONInventors: Muneshige NAKAGAWA, Sho UCHIDA, Shinsuke IKISHIMA
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Publication number: 20220194048Abstract: Provided is an elastic laminate comprising a multilayer film comprising first elasticity skin layers arranged on both sides of a second elasticity core layer, said second elasticity core layer having higher elasticity than the sandwiching first elasticity skin layers, wherein the first elasticity skin layers comprise an olefin polymer, and the second elasticity core layer comprise an elastomer layer, and said multilayer film having arranged on both outer surfaces thereof non-woven layers bonded either (i) through hotmelt pressure-sensitive adhesive layers or (ii) by means of ultrasonic bonding or thermal bonding, wherein the elastic laminate is characterized by an elongation strength of less than 20 N/50 mm width when elongated by 50% with 300 mm/min elongation speed.Type: ApplicationFiled: April 16, 2020Publication date: June 23, 2022Applicant: NITTO DENKO CORPORATIONInventors: Muneshige NAKAGAWA, Sho UCHIDA, Shinsuke IKISHIMA
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Patent number: 11305034Abstract: Provided is a stretchable film having excellent stretchability and excellent air permeability. Also provided is an article including such stretchable film. The stretchable film of the present invention includes an olefin-based resin and a filler.Type: GrantFiled: April 12, 2016Date of Patent: April 19, 2022Assignee: NITTO DENKO CORPORATIONInventors: Kohei Takeda, Shou Uchida, Muneshige Nakagawa, Shinsuke Ikishima, Yasuhiro Takeda, Yoshitake Shigematsu
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Patent number: 11141326Abstract: Provided is an ultrasmall-sized fixing tape suitable for a disposal tape for an absorbent article, such as a disposable diaper, a sanitary napkin, or an incontinence pad. The ultrasmall fixing tape of the present invention includes: an extending portion; and a non-extending portion that is substantially free from extending, in which: the non-extending portion includes securing means in at least part thereof; the ultrasmall fixing tape has a base material layer B; the base material layer B has a thickness of 50 ?m or more; and the base material layer B has an upper yield strength in a longitudinal direction thereof at a temperature of 23° C. and a humidity of 50% of from 5 N/25 mm to 15 N/25 mm.Type: GrantFiled: October 14, 2016Date of Patent: October 12, 2021Assignee: NITTO DENKO CORPORATIONInventors: Shinsuke Ikishima, Muneshige Nakagawa
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Patent number: 10889089Abstract: Provided is a stretchable film that can prevent a delivery failure when delivered from a winding body. Also provided is a stretchable laminate including such stretchable film. Still also provided is an article including such stretchable laminate. The stretchable film of the present invention includes a laminated film of a plurality of elastomer layers, wherein the stretchable film includes an elastomer layer (A1), an elastomer layer (B), and an elastomer layer (A2) in the stated order, wherein the elastomer layer (A1) and the elastomer layer (A2) are provided as outer layers, and wherein each of the elastomer layer (A1) and the elastomer layer (A2) contains a fatty acid amide.Type: GrantFiled: December 1, 2017Date of Patent: January 12, 2021Assignee: NITTO DENKO CORPORATIONInventors: Kohei Takeda, Muneshige Nakagawa, Shinsuke Ikishima
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Patent number: 10828839Abstract: Provided is a method of producing a layered article by which a sufficient production speed can be achieved, and preferably, a variation in fusion strength can be suppressed and hence a variation in product quality can be reduced. The method of producing a layered article of the present invention includes fusing at least part of a single-layer body or a laminate including at least one layer including a non-woven fabric of fiber having a fiber diameter of 100 ?m or less through ultrasonic welding.Type: GrantFiled: September 15, 2016Date of Patent: November 10, 2020Assignee: NITTO DENKO CORPORATIONInventors: Shou Uchida, Shinsuke Ikishima, Kohei Takeda, Muneshige Nakagawa, Ryuji Kuwabara, Ikuya Kuzuhara
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Patent number: 10772984Abstract: The stretchable porous film of the present invention includes voids in a surface thereof, in which: the stretchable porous film has an air permeability measured with an Oken-type air permeability meter of less than 99,999 sec/100 cc; the stretchable porous film has such an extending direction that an air permeability measured with the Oken-type air permeability meter in a state in which the stretchable porous film is extended by 100% becomes less than 60,000 sec/100 cc; and the stretchable porous film has such a pulling direction that when, in a hysteresis test, the stretchable porous film is pulled from a width of 20 mm and an inter-chuck distance of 30 mm to an inter-chuck distance of 60 mm at a pulling speed of 50 mm/min and held for 1 minute, and then the pulling of the inter-chuck distance is released, a residual strain becomes 10 mm or less.Type: GrantFiled: April 12, 2016Date of Patent: September 15, 2020Assignee: NITTO DENKO CORPORATIONInventors: Yasuhiro Takeda, Yoshitake Shigematsu, Kohei Takeda, Shou Uchida, Muneshige Nakagawa, Shinsuke Ikishima
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Patent number: 10723107Abstract: Provided is a stretchable laminate which has a sufficient holding ability in the case of being stretched to be bonded onto another material and is excellent in feeling of touch. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention is a stretchable laminate, including: an elastomer layer; and a non-woven fabric layer arranged on at least one side of the elastomer layer, the stretchable laminate including an elastic lane portion and a rigid lane portion, the rigid lane portion requiring a strength of from 1 N/20 mm to 7 N/20 mm for obtaining a 5% deformation amount.Type: GrantFiled: August 18, 2015Date of Patent: July 28, 2020Assignee: NITTO DENKO CORPORATIONInventors: Shou Uchida, Shinsuke Ikishima, Kohei Takeda, Masaaki Arakawa
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Publication number: 20200197555Abstract: Provided is a stretchable film having excellent stretchability, excellent air permeability, and an excellent deodorizing property. Also provided is an article including such stretchable film. A stretchable film of the present invention is a film having stretchability, and includes a deodorant. The stretchable film of the present invention is a film having stretchability, and has a deodorization efficiency for each of ammonia and hydrogen sulfide 3 hours after the start of a deodorization test, the deodorization efficiency being measured by a detector tube method, of 10% or more.Type: ApplicationFiled: September 14, 2017Publication date: June 25, 2020Applicants: NITTO DENKO CORPORATION, NITTO DENKO CORPORATIONInventors: Muneshige NAKAGAWA, Kohei TAKEDA, Shinsuke IKISHIMA
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Publication number: 20190291391Abstract: Provided is a stretchable film that can prevent a delivery failure when delivered from a winding body. Also provided is a stretchable laminate including such stretchable film. Still also provided is an article including such stretchable laminate. The stretchable film of the present invention includes a laminated film of a plurality of elastomer layers, wherein the stretchable film includes an elastomer layer (A1), an elastomer layer (B), and an elastomer layer (A2) in the stated order, wherein the elastomer layer (A1) and the elastomer layer (A2) are provided as outer layers, and wherein each of the elastomer layer (A1) and the elastomer layer (A2) contains a fatty acid amide.Type: ApplicationFiled: December 1, 2017Publication date: September 26, 2019Applicant: NITTO DENKO CORPORATIONInventors: Kohei TAKEDA, Muneshige NAKAGAWA, Shinsuke IKISHIMA
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Publication number: 20190076308Abstract: Provided is an ultrasmall-sized fixing tape suitable for a disposal tape for an absorbent article, such as a disposable diaper, a sanitary napkin, or an incontinence pad. The ultrasmall fixing tape of the present invention includes: an extending portion; and a non-extending portion that is substantially free from extending, in which: the non-extending portion includes securing means in at least part thereof; the ultrasmall fixing tape has a base material layer B; the base material layer B has a thickness of 50 ?m or more; and the base material layer B has an upper yield strength in a longitudinal direction thereof at a temperature of 23° C. and a humidity of 50% of from 5 N/25 mm to 15 N/25 mm.Type: ApplicationFiled: October 14, 2016Publication date: March 14, 2019Applicants: NITTO DENKO CORPORATION, NITTO DENKO CORPORATIONInventors: Shinsuke IKISHIMA, Muneshige NAKAGAWA
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Publication number: 20190053959Abstract: Provided is a stretchable laminate that achieves both a weight reduction and an extension strength, and that can be stably produced. Also provided is an article including such stretchable laminate. The stretchable laminate of the present invention includes: an elastomer layer; and an olefin-based resin layer arranged on at least one side of the elastomer layer, wherein when a longitudinal direction of the stretchable laminate is defined as an MD direction and a direction perpendicular to the longitudinal direction is defined as a CD direction, a ratio [10% extension strength in MD direction (N/30 mm)]/[basis weight (gsm)] of the stretchable laminate is 0.14 (N/30 mm·gsm) or more.Type: ApplicationFiled: March 3, 2017Publication date: February 21, 2019Applicant: NITTO DENKO CORPORATIONInventors: Kohei TAKEDA, Shinsuke IKISHIMA, Ryuji KUWABARA
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Publication number: 20180281296Abstract: Provided is a method of producing a layered article by which a sufficient production speed can be achieved, and preferably, a variation in fusion strength can be suppressed and hence a variation in product quality can be reduced. The method of producing a layered article of the present invention includes fusing at least part of a single-layer body or a laminate including at least one layer including a non-woven fabric of fiber having a fiber diameter of 100 ?m or less through ultrasonic welding.Type: ApplicationFiled: September 15, 2016Publication date: October 4, 2018Applicant: NITTO DENKO CORPORATIONInventors: Shou UCHIDA, Shinsuke IKISHIMA, Kohei TAKEDA, Muneshige NAKAGAWA, Ryuji KUWABARA, Ikuya KUZUHARA
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Publication number: 20180263830Abstract: Provided is a layered article including at least one layer including a non-woven fabric of fiber, the layered article having sufficient flexibility and being capable of achieving a satisfactory touch feeling. Also provided is a hook-and-loop fastener including the layered article of the present invention. Also provided is a sanitary article including the layered article of the present invention. The layered article of the present invention includes at least one layer including a non-woven fabric of fiber, in which: the layered article has a fused portion; and the layered article has an index A, which is represented by the equation (1), of 0.90×10?6 m3/g or less: A=T/G (1) where T represents a thickness (unit: m) of the fused portion and G represents a basis weight (unit: g/m2).Type: ApplicationFiled: September 15, 2016Publication date: September 20, 2018Applicant: NITTO DENKO CORPORATIONInventors: Shou UCHIDA, Shinsuke IKISHIMA, Kohei TAKEDA, Muneshige NAKAGAWA
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Publication number: 20180133951Abstract: The stretchable porous film of the present invention includes voids in a surface thereof, in which: the stretchable porous film has an air permeability measured with an Oken-type air permeability meter of less than 99,999 sec/100 cc; the stretchable porous film has such an extending direction that an air permeability measured with the Oken-type air permeability meter in a state in which the stretchable porous film is extended by 100% becomes less than 60,000 sec/100 cc; and the stretchable porous film has such a pulling direction that when, in a hysteresis test, the stretchable porous film is pulled from a width of 20 mm and an inter-chuck distance of 30 mm to an inter-chuck distance of 60 mm at a pulling speed of 50 mm/min and held for 1 minute, and then the pulling of the inter-chuck distance is released, a residual strain becomes 10 mm or less.Type: ApplicationFiled: April 12, 2016Publication date: May 17, 2018Applicant: NITTO DENKO CORPORATIONInventors: Yasuhiro TAKEDA, Yoshitake SHIGEMATSU, Kohei TAKEDA, Shou UCHIDA, Muneshige NAKAGAWA, Shinsuke IKISHIMA
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Patent number: D875512Type: GrantFiled: November 25, 2015Date of Patent: February 18, 2020Assignee: Nitto Denko CorporationInventors: Shou Uchida, Shinsuke Ikishima