Patents Assigned to Gunze Limited
  • Publication number: 20140347578
    Abstract: A touch panel includes a first planar body having a first electrode patterned on one surface of a first substrate and a first lead-out wiring electrically connected to the first electrode, a cover sheet, a second planar body provided between the first planar body and the cover sheet except a predetermined region of a side edge of the first substrate, and a flexible wiring board interposed at a gap portion formed between the predetermined region of the side edge of the first substrate and the cover sheet, wherein the flexible wiring board includes a connector portion fixed onto the connection terminal of the first lead-out wiring held by the first planar body and electrically connected with the first lead-out wiring, and a spacer member that abuts with both the connector portion and the cover sheet is disposed between the connector portion and the cover sheet.
    Type: Application
    Filed: November 9, 2012
    Publication date: November 27, 2014
    Applicant: GUNZE LIMITED
    Inventors: Tsutomu Yamada, Masaya Nakagoshi, Kousuke Nakajima
  • Patent number: 8889171
    Abstract: The present invention provides a tissue regeneration substrate that has the ability to release a basic fibroblast growth factor (bFGF) and like cell growth factors in a sustained manner, into which cells can easily enter, and that is suitably used for regeneration of tissues. Specifically, the present invention provides a tissue regeneration substrate that comprises a cell growth factor adsorbed in a bioabsorbable porous substrate that contains collagen and gelatin, and a method for producing the same.
    Type: Grant
    Filed: September 5, 2006
    Date of Patent: November 18, 2014
    Assignee: Gunze Limited
    Inventors: Yoshito Ikada, Shigehiko Suzuki, Tsuguyoshi Taira, Yoshitake Takahashi, Kenji Tomihata
  • Publication number: 20140249305
    Abstract: The present invention provide a hydrophilized cellulose fiber producing method, comprising oxidizing cellulose fibers in a reaction solution containing a N-oxyl compound, an oxidizing agent, and a co-catalyst and oxidizing other cellulose fibers using the reaction solution again. The present invention relate to a hydrophilized cellulose fiber producing method, comprising the steps of: (1a) oxidizing cellulose fibers in a reaction solution containing a N-oxyl compound, an oxidizing agent, and sodium sulfate to provide oxidized cellulose fibers; and (1b) separating the obtained oxidized cellulose fibers from the reaction solution, and then adding other additional cellulose fibers and oxidizing agent to the reaction solution to oxidize the cellulose fibers again to provide oxidized cellulose fibers.
    Type: Application
    Filed: September 11, 2012
    Publication date: September 4, 2014
    Applicant: GUNZE LIMITED
    Inventors: Chiaki Tanaka, Yoshinari Yui, Akira Isogai
  • Publication number: 20140220369
    Abstract: The present invention provides a heat shrinkable multilayer film that has excellent adhesiveness between front and back layers and an interlayer, effectively prevents delamination, and is less likely to have white creases on folds. The present invention also provides a heat shrinkable label formed from the heat shrinkable multilayer film. The present invention relates to 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 50 to 95% by weight of a polystyrene resin and 5 to 50% by weight of a polyester elastomer.
    Type: Application
    Filed: September 4, 2012
    Publication date: August 7, 2014
    Applicant: GUNZE LIMITED
    Inventors: Kiyoyasu Ishikawa, Naoyuki Maruichi
  • Publication number: 20140162077
    Abstract: It is an object of the present invention to provide a heat-shrinkable multilayer film which, in the case of using the heat-shrinkable multilayer film as a heat-shrinkable label for a container, does not produce delamination in covering a container, is superior in heat resistance, oil resistance, tearing properties along the perforation and appearance and can prevent the reduction in strength between the layers after a printing step, and a heat-shrinkable label comprising the heat-shrinkable multilayer film as a base film. The present invention is a heat-shrinkable multilayer film which comprises: an outer surface layer comprising a polyester type resin; and an intermediate layer comprising a polystyrene type resin, said outer surface layer and said intermediate layer being laminated by interposing an adhesive layer comprising a polyester type elastomer or a modified polyester type elastomer.
    Type: Application
    Filed: February 13, 2014
    Publication date: June 12, 2014
    Applicants: Mitsubishi Chemical Corporation, GUNZE LIMITED
    Inventors: Naoyuki MARUICHI, Takanori NOZAKI, Akira MORIKAWA, Atsushi NAKAGAWA
  • Patent number: 8748142
    Abstract: Materials for culturing cardiovascular tissues wherein a sponge made of a bioabsorbable material is reinforced with a reinforcement made of a bioabsorbable material.
    Type: Grant
    Filed: November 10, 2009
    Date of Patent: June 10, 2014
    Assignees: Gunze Limited, Tokyo Women's Medical University
    Inventors: Shinichiro Morita, Toshiharu Shin'Oka, Yasuharu Imai
  • Patent number: 8741969
    Abstract: An object of the present invention is to provide an anti-adhesion membrane that has no toxicity to a living body, has flexibility allowing itself to fit an affected part as a hydrated gel, is uniformly crosslinked, and is immediately absorbed in a living body after maintaining its shape in the living body for a certain period of time. The present invention provides anti-adhesion material, which comprises a thermally crosslinked gelatin film, and has a water content of 60 to 85% calculated by the following formula (1): water content (%)=[(Ws?Wd)/Ws]×100(%)??(1), in the formula (1), Ws representing a weight (wet weight) of the anti-adhesion material immersed in a phosphate buffered saline solution at a temperature of 25° C. for one hour, and Wd representing a weight (dry weight) of the anti-adhesion material dried completely using a vacuum drying apparatus.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: June 3, 2014
    Assignee: Gunze Limited
    Inventors: Hitoshi Otani, Shojiro Matsuda, Tsuguyoshi Taira, Noriyuki Morikawa
  • Patent number: 8742882
    Abstract: The invention provides a touch panel capable of effectively preventing a distortion of an electric potential distribution, thereby increasing an input region of the touch panel. A touch panel including a resistive layer formed on one of surfaces of a substrate and a frame-shaped electrode portion 21 provided along four sides of the resistive layer, wherein each side of the frame-shaped electrode portion 21 is constituted in a broken line pattern having a first split electrode 25a disposed on both ends respectively and a plurality of second split electrodes 25b disposed between the first split electrodes 25a, second resistance values R_i between the second split electrodes 25b are set to be equal to each other, and a first resistance value R_s between the first split electrode 25a and the second split electrode 25b which is adjacent to the first split electrode 25a is different from the second resistance value R_i.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: June 3, 2014
    Assignee: Gunze Limited
    Inventors: Hisao Itaya, Shinya Nishihara, Satoru Nakagawa
  • Patent number: 8723404
    Abstract: The present invention aims to provide a light-diffusing heat shrinkable tube which has light diffusibility that enables LED point light sources to give an impression of a surface light source such as a conventional fluorescent lamp. The tube is also capable of suppressing scattering of broken fragments of a transparent pipe that includes the light sources, in the case of an unexpected accident including falling of the pipe. The present invention also aims to provide a linear LED light including the light-diffusing heat shrinkable tube. The light-diffusing heat shrinkable tube including a polyester resin and a light diffusing agent, the polyester resin having an inherent viscosity of 0.8 to 1.4 dl/g, the tube comprising 0.1 to 2.5 wt % of the light diffusing agent, the tube having a thickness of 60 to 300 ?m.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: May 13, 2014
    Assignee: Gunze Limited
    Inventors: Masakazu Masuda, Ichiro Arai
  • Patent number: 8717332
    Abstract: The present invention provides a touch switch having two ITO-free electrode layers that are bonded together, the touch switch having good visibility, and a planar body that forms such a touch switch. The planar body includes a mesh-like electrode formed in a mesh shape by multiple conductor lines L on one side of a substrate, in which the mesh-like electrode is separated into multiple conductive areas disposed at intervals, and non-conductive areas each disposed between each of the conductive areas; each non-conductive area has multiple cutting portions that cut the conductor lines L, and each non-conductive area insulates between the adjacent conductive areas by the cutting portions.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: May 6, 2014
    Assignee: Gunze Limited
    Inventors: Katsumasa Kono, Hideaki Mizumoto
  • Patent number: 8703627
    Abstract: An antiadhesive material that is excellent in biocompatibility and bioabsorbability, as well as excellent strength in suturing and bonding, is provided. A reinforcing material 12 made of a biodegradable polymer is placed in a gelatin solution so that the reinforcing material 12 is impregnated with the solution, and the gelatin is caused to gelate and dried. By so doing, an antiadhesive material in which a gelatin film 11 and the reinforcing material 12 are integrated is obtained. The reinforcing material 12 preferably is arranged in a portion of the gelatin film 11 to be subjected to suturing, and preferably is arranged along a periphery of the gelatin film 11. The gelatin film 11 preferably is a cross-linked gelatin film, and the reinforcing material 12 preferably is a nonwoven fabric.
    Type: Grant
    Filed: June 12, 2002
    Date of Patent: April 22, 2014
    Assignees: Gunze Limited, JMS Co., Ltd.
    Inventors: Shojiro Matsuda, Yoshimi Tanaka, Yoshito Ikada
  • Patent number: 8691394
    Abstract: It is an object of the present invention to provide a heat-shrinkable multilayer film which, in the case of using the heat-shrinkable multilayer film as a heat-shrinkable label for a container, does not produce delamination in covering a container, is superior in heat resistance, oil resistance, tearing properties along the perforation and appearance and can prevent the reduction in strength between the layers after a printing step, and a heat-shrinkable label comprising the heat-shrinkable multilayer film as a base film. The present invention is a heat-shrinkable multilayer film which comprises: an outer surface layer comprising a polyester type resin; and an intermediate layer comprising a polystyrene type resin, said outer surface layer and said intermediate layer being laminated by interposing an adhesive layer comprising a polyester type elastomer or a modified polyester type elastomer.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: April 8, 2014
    Assignees: Gunze Limited, Mitsubishi Chemical Corporation
    Inventors: Naoyuki Maruichi, Takanori Nozaki, Akira Morikawa, Atsushi Nakagawa
  • Patent number: 8686106
    Abstract: The present invention provides a carbon black-dispersed polyamic acid solution composition having a high solids content and a high carbon black content. The invention further provides an intermediate transfer belt using the polyamic acid solution composition. The carbon black-dispersed polyamic acid solution composition is obtained by uniformly dispersing carbon black in a polyamic acid solution obtained by reacting biphenyltetracarboxylic dianhydride and an aromatic diamine in an organic polar solvent. The biphenyltetracarboxylic dianhydride includes 2,3,3?,4?-biphenyltetracarboxylic dianhydride and 3,3?,4,4?-biphenyltetracarboxylic dianhydride. The aromatic diamine includes 4,4?-diaminodiphenyl ether and p-phenylenediamine. The polyamic acid solution has a solids content of 25 weight % or more.
    Type: Grant
    Filed: December 4, 2008
    Date of Patent: April 1, 2014
    Assignees: Gunze Limited, UBE Industries, Ltd.
    Inventors: Naoki Nishiura, Akira Ichino, Takashi Kuraoka, Toru Murakami, Takeshige Nakayama
  • Publication number: 20130337278
    Abstract: The present invention provides a heat shrinkable multilayer film excellent in crease-whitening resistance and perforation aptness as well as excellent in low-temperature shrinkability. The present invention also provides a heat shrinkable label formed from the heat shrinkable multilayer film. The heat shrinkable multilayer film of the present invention includes: front and back layers each containing a polyester resin; an interlayer containing a polystyrene copolymer; and adhesive layers each containing 60 to 85% by weight of a polyester resin and 15 to 40% by weight of a polystyrene copolymer. The front and back layers and the interlayer are stacked with the adhesive layers interposed therebetween. The multilayer film has a tensile elongation at break of 30% or higher in the main shrinkage direction.
    Type: Application
    Filed: December 21, 2011
    Publication date: December 19, 2013
    Applicant: GUNZE LIMITED
    Inventors: Kiyoyasu Ishikawa, Naoyuki Maruichi
  • Patent number: 8603611
    Abstract: The present invention provides a transparent planar body and a transparent touch switch that can improve visibility. Specifically, the transparent planar body (1) has a patterned transparent conductive film (12) on at least one surface of a transparent substrate (11). This transparent planar body (1) comprises a transmittance-adjusting layer for equalizing the transmission spectrum of light transmitted through a patterned region wherein the transparent conductive film (12) is provided via the transparent substrate (11) with that transmitted through a non-patterned region wherein the transparent conductive film (12) is not provided via the transparent substrate (11).
    Type: Grant
    Filed: May 24, 2006
    Date of Patent: December 10, 2013
    Assignee: Gunze Limited
    Inventors: Naohiro Wakabayashi, Tsutomu Yamada, Kuniaki Sasaki, Shuji Furukawa, Keiji Tsukamoto
  • Publication number: 20130296544
    Abstract: This invention provides a method for hydrophilic cellulose fibers capable of inhibiting decrease in the degree of polymerization and whiteness degree of oxidized cellulose fibers in oxidized cellulose in which a carbon at position 6 of each glucose unit in the cellulose fiber starting material is oxidized to a carboxyl group, the method comprising (A) the step of performing dehalogenation together with reduction, the dehalogenation comprising mixing a dehalogenation agent, a reducing agent, and oxidized cellulose fibers, and removing halogens remaining in the oxidized cellulose fibers, and the reduction comprising reducing a ketone group at position 2 and/or position 3 of each glucose unit in the oxidized cellulose fibers.
    Type: Application
    Filed: January 18, 2012
    Publication date: November 7, 2013
    Applicant: GUNZE LIMITED
    Inventors: Akira Isogai, Chiaki Tanaka, Yoshinari Yui
  • Publication number: 20130207534
    Abstract: The present invention aims to provide a light-diffusing heat shrinkable tube which has light diffusibility that enables LED point light sources to give an impression of a surface light source such as a conventional fluorescent lamp. The tube is also capable of suppressing scattering of broken fragments of a transparent pipe that includes the light sources, in the case of an unexpected accident including falling of the pipe. The present invention also aims to provide a linear LED light including the light-diffusing heat shrinkable tube. The light-diffusing heat shrinkable tube including a polyester resin and a light diffusing agent, the polyester resin having an inherent viscosity of 0.8 to 1.4 dl/g, the tube comprising 0.1 to 2.5 wt % of the light diffusing agent, the tube having a thickness of 60 to 300 ?m.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 15, 2013
    Applicant: GUNZE LIMITED
    Inventors: Masakazu Masuda, Ichiro Arai
  • Patent number: 8506848
    Abstract: A semiconductive polyimide resin belt that exhibits excellent electrical properties, including the ability to achieve accurate image transfer in a color image-forming unit, and the ability to prevent variations in resistance due to the transfer voltage, enabling high-quality transfer images to be stably produced over an extended period of time; and excellent physical properties, including resistance to deterioration in flatness due to plastic deformation caused by loads applied in the width direction of the belt, excellent durability, and stable operation even after extended use; and an intermediate transfer belt made of the semiconductive polyimide resin belt. The semiconductive polyimide resin belt comprises carbon black and a polyimide resin.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: August 13, 2013
    Assignee: Gunze Limited
    Inventors: Akira Ichino, Naoki Nishiura, Takashi Kuraoka
  • Patent number: 8496714
    Abstract: The present invention aims to provide a material for revascularization which enables the regeneration of a blood vessel at an extremely high efficiency by being transplanted into a defect of the blood vessel. The present invention provides a tubular material for revascularization comprising a foamed body comprising a bioabsorbable material, a reinforcing member comprising a bioabsorbable material for reinforcing the foamed body, and a reinforcing yarn comprising a bioabsorbable material for reinforcing the foamed body, wherein the reinforcing yarn and the reinforcing member are located at the center or outer face of the foamed body, the inner face thereof is the foamed body, the reinforcing yarn is wound around in a spiral-shaped, ring-shaped or X-shaped manner, and the reinforcing yarn comprises a glycolide-?-caprolactone copolymer.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: July 30, 2013
    Assignee: Gunze Limited
    Inventors: Goki Matsumura, Yoshito Ikada, Yuki Sakamoto, Shojiro Matsuda
  • Patent number: 8481137
    Abstract: An object of the invention is to provide a multilayer stretched film with barrier property that is free from deterioration of barrier properties attributable to dimensional change caused by moisture absorption, and bending, etc. [Method for Achieving the Object] A multilayer stretched film with barrier property obtained by biaxially stretching a multilayer laminate comprising at least three layers, namely, a polyester-based resin layer (Layer A), a polyamide-based resin layer (Layer B), and a polyester-based resin layer (Layer A), in this order (wherein the two Layers A may be the same or different) to obtain a biaxially stretched multilayer film; and providing a deposition layer (Layer C) on at least one surface of the biaxially stretched multilayer film; both of the Layers A containing a crystalline polyester; Layer B containing 70 to 99 wt % of aliphatic polyamide and 1 to 30 wt % of aromatic polyamide; and Layer C containing an inorganic substance.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: July 9, 2013
    Assignees: Gunze Limited, Dai Nippon Printing Co., Ltd
    Inventors: Norio Uehara, Hiroyuki Yoshizaki, Naoyuki Maruichi