Patents Assigned to Gunze Limited
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Patent number: 11958272Abstract: The present invention provides a heat shrinkable multilayer film that makes it possible to produce a heat shrinkable label having high seal strength regardless of interlaminar strength, and that also has excellent transparency. The present invention also provides a heat shrinkable label including the heat shrinkable multilayer film. Provided is a heat shrinkable multilayer film including: front and back layers each containing a polyester resin; an interlayer containing a polystyrene resin; and adhesive layers, wherein the front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween, and the adhesive layers each contain a polyester resin having a glass transition temperature of 77° C. or lower.Type: GrantFiled: June 24, 2020Date of Patent: April 16, 2024Assignee: GUNZE LIMITEDInventors: Naoki Ohno, Yusuke Onishi
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Patent number: 11931479Abstract: The present invention provides an artificial blood vessel that can achieve a balance between cell penetration efficiency and crush resistance and can regenerate a blood vessel at very high efficiency. Provided is an artificial blood vessel having a tubular shape, including: a foam containing a bioabsorbable material; a reinforcement A containing a bioabsorbable material; and a reinforcement B including threads containing a bioabsorbable material, the foam being reinforced with the reinforcements A and B, wherein the reinforcement A is a non-woven fabric, a film, or a weft-knitted, warp-knitted, or woven fabric made of knitted or woven fibers, the reinforcement B includes monofilament threads each having a cross-sectional diameter of 0.Type: GrantFiled: October 6, 2020Date of Patent: March 19, 2024Assignee: GUNZE LIMITEDInventors: Goki Matsumura, Hideki Sato, Mieko Ishikawa
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Patent number: 11912002Abstract: The present invention provides a heat shrinkable multilayer film that makes it possible to produce a heat shrinkable label having high seal strength regardless of interlaminar strength, and that also has excellent transparency. The present invention also provides a heat shrinkable label including the heat shrinkable multilayer film. Provided is a heat shrinkable multilayer film including: front and back layers each containing a polyester resin; an interlayer containing a polystyrene resin; and adhesive layers, wherein the front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween, and the adhesive layers each contain a polyester resin having a glass transition temperature of 77° C. or lower.Type: GrantFiled: June 24, 2020Date of Patent: February 27, 2024Assignee: GUNZE LIMITEDInventors: Naoki Ohno, Yusuke Onishi
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Publication number: 20240037590Abstract: There is provided a management system including a first calculation unit, a second calculation unit, a storage unit, and a credit management unit. The first calculation unit calculates an increase amount of credit based on the purchase mass and the parameter representing the degree of reduction in environmental load in accordance with the purchase of plastic materials. The second calculation unit calculates a decrease amount of credit in accordance with either the transfer or production of the product. The storage unit stores an initial balance. The credit management unit updates a credit balance based on the initial balance, the increase amount, and the decrease amount.Type: ApplicationFiled: May 11, 2023Publication date: February 1, 2024Applicant: GUNZE LIMITEDInventors: Nobuhiro WATANABE, Ibuki SHIMAZAKI
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Patent number: 11802199Abstract: There is provided a thermoplastic fluororesin tube that, during the production of a catheter, can prevent a gap or air bubbles from being formed in the connection part of the catheter, and can be suitably used for the production of a catheter. A thermoplastic fluororesin tube, the thermoplastic fluororesin tube having tearability in a longitudinal direction, wherein a thermal expansion coefficient in the longitudinal direction upon heating in a gaseous phase at a temperature of 100° C. for 5 minutes is 0% or more.Type: GrantFiled: July 5, 2018Date of Patent: October 31, 2023Assignee: Gunze LimitedInventors: Kazutaka Sekiya, Hiroshi Ohshima, Daiki Kobayashi, Masashi Kikuchi
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Patent number: 11642875Abstract: The present invention provides a heat shrinkable multilayer film that can prevent wrinkles or loosening after attachment when the film is attached to a container as a heat shrinkable label for dry heat shrinking, and a heat shrinkable label including the heat shrinkable multilayer film as a base film. Provided is a heat shrinkable multilayer film including: front and back layers each containing a polyester resin; and an interlayer containing a polystyrene resin, wherein the heat shrinkable multilayer film has a dimensional change in a TD represented by an equation (1) of ?55 to ?1000 ?m as measured by thermomechanical analysis (TMA) in which the temperature of the heat shrinkable multilayer film under a load of 0.10 N is increased from 30° C. to 60° C. at a temperature increase rate of 5° C./min and then cooled from 60° C. to 10° C. at a temperature decrease rate of 5° C./min, the equation (1) being: Dimensional change=dimension in TD at 20° C. ?dimension in TD at 60° C. (1).Type: GrantFiled: June 10, 2019Date of Patent: May 9, 2023Assignee: GUNZE LIMITEDInventor: Naoki Ohno
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Patent number: 11571197Abstract: An in-tube transit object that is inserted in a tube includes: a coil section formed by winding a wire; and a fiber section attached to an end on one side and an end on the other side in a winding-axis direction of the coil section. The coil section is formed with a large diameter section, through which fiber of the fiber section is inserted, at the end on the one side and the end on the other side, and is inserted in an extending state in the winding-axis direction when the in-tube transit object is inserted into the tube. The fiber section is configured to expand when seen in the winding-axis direction in the case where the in-tube transit object is inserted in the tube and then discharged from the tube, which brings the coil section into a compressed state in the winding-axis direction.Type: GrantFiled: December 7, 2020Date of Patent: February 7, 2023Assignees: Mikuro Spring Co., Ltd., GUNZE LIMITEDInventors: Takayuki Koyama, Makoto Natori, Yusuke Sato, Saki Okumura, Yuuki Kato, Mieko Ishikawa
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Patent number: 11484313Abstract: The present invention aims to provide a staple reinforcement for a surgical stapler that can be used in surgical staplers of various sizes, is easily passed through ports, and is less likely to shift during operation of the surgical stapler. Provided is a staple reinforcement for a surgical stapler, including a fabric layer containing a bioabsorbable material and a sponge layer containing a water-soluble polymer, the fabric layer and the sponge layer being integrally laminated.Type: GrantFiled: November 16, 2020Date of Patent: November 1, 2022Assignee: GUNZE LIMITEDInventors: Takashi Sawaki, Yasuhiro Ueno, Junki Ikeda
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Patent number: 11453209Abstract: The present invention provides a heat shrinkable multilayer film that can prevent layer misalignment at a center seal portion and thereby provide a labelled container having excellent appearance when the film is attached to a container as a heat shrinkable label for dry heat shrinking, and a heat shrinkable label including the heat shrinkable multilayer film as a base film. Provided is a heat shrinkable multilayer film including: front and back layers each containing a polyester resin; an interlayer containing a polystyrene resin; and adhesive layers, wherein the front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween, and the heat shrinkable multilayer film has a maximum shrinkage stress of 3.5 to 11 MPa when immersed in hot water at 80° C. for 30 seconds.Type: GrantFiled: June 26, 2019Date of Patent: September 27, 2022Assignee: Gunze LimitedInventor: Takanori Nozaki
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Publication number: 20220218321Abstract: A hole closing material achieves less invasive treatment for atrial septal defect with no or little possibility of problems in the late post-treatment period. The hole closing material includes two tubular bodies (first tubular portion and second tubular portion) having a mesh structure formed of a bioabsorbable linear material, and includes: a proximal connecting part connected to a first end; and a distal connecting part connected to a second end and screwed to a delivery cable. The proximal connecting part and the distal connecting part are capable of selectively achieving: “locked” in which the proximal connecting part and the distal connecting part remain united; and “unlocked” in which the proximal connecting part and the distal connecting part do not remain united. The delivery cable passes through the substantially middle portion, is inserted into a hollow tube of the proximal connecting part, and passes out of the hole closing material in a direction from the second end to the first end.Type: ApplicationFiled: July 7, 2020Publication date: July 14, 2022Applicant: GUNZE LIMITEDInventors: Hirotsugu KUROBE, Saki OKUMURA, Yuuki KATO, Koji YAMAUCHI
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Publication number: 20220175355Abstract: A defect hole closing material achieves less invasive treatment for atrial septal defect with no or little possibility of problems in the late post-treatment period. A defect hole closing material includes two tubular bodies (a first tubular portion and a second tubular portion) made of a bioabsorbable material and having a mesh structure; and a substantially middle portion between the two tubular bodies. The first tubular portion is provided with a radiopaque material, the second tubular portion is provided with a radiopaque material, and the substantially middle portion is provided with a radiopaque material.Type: ApplicationFiled: March 26, 2019Publication date: June 9, 2022Applicant: GUNZE LIMITEDInventor: Saki OKUMURA
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Patent number: 11355758Abstract: A current collector for a lithium ion battery includes a first conductive resin layer and a second conductive resin layer. The first conductive resin layer includes a first conductive filler. The second conductive resin layer is formed on the first conductive resin layer and includes a second conductive filler. The first conductive filler is a conductive carbon. The second conductive filler contains at least one kind of metal element selected from the group consisting of platinum, gold, silver, copper, nickel, and titanium. A volume % of the second conductive filler in the second conductive resin layer on a first surface side, which is a first conductive resin layer side, is higher than that on the second surface side that is opposite to the first conductive resin layer.Type: GrantFiled: September 3, 2020Date of Patent: June 7, 2022Assignees: GUNZE LIMITED, APB CorporationInventors: Kazuaki Onishi, Masahiro Uchimaru, Ryosuke Kusano, Sonomi Fukuyama, Shun Kudoh, Yasuhiro Tsudo, Hideaki Horie
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Patent number: 11345126Abstract: The present invention aims to provide a heat shrinkable multilayer film capable of providing a heat shrinkable label that can be easily torn along the perforation in both the TD and MD and also has excellent impact resistance and transparency. Provided is a heat shrinkable multilayer film including: front and back layers; an interlayer; and adhesive layers, wherein the front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween, the front and back layers each contain a polyester resin, and the interlayer contains a polystyrene resin in an amount of 80 to 99% by weight and a polyester resin in an amount of 1 to 20% by weight.Type: GrantFiled: September 19, 2019Date of Patent: May 31, 2022Assignee: GUNZE LIMITEDInventor: Yusuke Onishi
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Patent number: 11273237Abstract: The present invention aims to provide a method for producing a porous substrate containing a bioabsorbable polymer and heparin in a simple manner without use of a surfactant, a porous substrate containing a bioabsorbable polymer and heparin, and an artificial blood vessel.Type: GrantFiled: August 31, 2017Date of Patent: March 15, 2022Assignee: GUNZE LIMITEDInventors: Hidetaka Nakayama, Toshiharu Shinoka, Shuhei Tara, Tadahisa Sugiura
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Publication number: 20210408525Abstract: The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.Type: ApplicationFiled: October 21, 2019Publication date: December 30, 2021Applicants: SANYO CHEMICAL INDUSTRIES, LTD., GUNZE LIMITEDInventors: Ryosuke KUSANO, Yasuhiro TSUDO, Yasuji MARUYAMA, Kazuaki ONISHI, Yasuhiko OHSAWA, Yuki KUSACHI, Hajime SATOU, Hiroshi AKAMA, Hideaki HORIE
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Publication number: 20210386415Abstract: A defect hole closing material achieves low invasive treatment for an atrial septal defect with almost no fear of long-term failure. The defect hole closing material is formed by two cylindrical bodies (a first cylinder part and a second cylinder part) having stitch-like structures of a bioabsorbable material, has a sandglass shape, and includes a coil spring both ends of which are respectively engaged with a first end part and a second end part and is passed through inner parts of the first cylinder part and the second cylinder part from a side of the first end part to a side of the second end part via a substantially central part. An outer cylindrical body is provided at an outermost layer so as to cover a whole of the two cylindrical bodies from an outer side, the outer cylindrical body is a cylinder-shaped body obtained by knitting a bioabsorbable material, and both ends thereof are respectively joined to both ends of the two cylindrical bodies.Type: ApplicationFiled: March 26, 2019Publication date: December 16, 2021Applicant: GUNZE LIMITEDInventors: Saki OKUMURA, Yuki SAKAMOTO, Hideki SATO
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Patent number: 11173284Abstract: A medical guide wire with excellent visibility is provided. A medical guide wire including: a wire body (2) that is flexible and long; a covering layer (3) covering a surface of the wire body (2); and a wire material (4) helically arranged on the covering layer (3), wherein the covering layer (3) is formed of a transparent material same as a transparent material of the wire material (4), and the wire material (4) is arranged at a regular pitch along the longitudinal direction of the wire body (2).Type: GrantFiled: October 27, 2016Date of Patent: November 16, 2021Assignee: GUNZE LIMITEDInventor: Makoto Kawahara
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Publication number: 20210177388Abstract: An in-tube transit object that is inserted in a tube includes: a coil section formed by winding a wire; and a fiber section attached to an end on one side and an end on the other side in a winding-axis direction of the coil section. The coil section is formed with a large diameter section, through which fiber of the fiber section is inserted, at the end on the one side and the end on the other side, and is inserted in an extending state in the winding-axis direction when the in-tube transit object is inserted into the tube. The fiber section is configured to expand when seen in the winding-axis direction in the case where the in-tube transit object is inserted in the tube and then discharged from the tube, which brings the coil section into a compressed state in the winding-axis direction.Type: ApplicationFiled: December 7, 2020Publication date: June 17, 2021Applicants: Mikuro Spring Co., Ltd., GUNZE LIMITEDInventors: Takayuki KOYAMA, Makoto NATORI, Yusuke SATO, Saki OKUMURA, Yuuki KATO, Mieko ISHIKAWA
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Publication number: 20210169497Abstract: A defect hole closing material achieves low invasive treatment for an atrial septal defect with almost no fear of long-term failure. The defect hole closing material is formed by two cylindrical bodies (a first cylinder part and a second cylinder part) made of a bioabsorbable material and having stitch-like structures, has a sandglass shape, and includes a coil spring both ends of which are respectively engaged with a first end part and a second end part and that is inserted through inner parts of the first cylinder part and the second cylinder part from the first end part side to the second end part side via a substantially central part.Type: ApplicationFiled: March 26, 2019Publication date: June 10, 2021Applicant: GUNZE LIMITEDInventors: Yuki SAKAMOTO, Hideki SATO, Saki OKUMURA
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Patent number: 10974030Abstract: A medical guide wire which can have both slidability and operability and can be easily manufactured is provided. A medical guide wire includes a long flexible wire body, and a wire-like material structure including a wire-like material arranged on the surface of the wire body, in which the wire-like material structure is thermally fused onto the wire body.Type: GrantFiled: October 11, 2017Date of Patent: April 13, 2021Assignee: GUNZE LIMITEDInventors: Junya Kanetake, Makoto Kawahara, Takashi Kuraoka