Patents Assigned to Yupo Corporation
  • Patent number: 11176918
    Abstract: Provision of a piezoelectric element which uses a lightweight and flexible electret material and an electrode layer which is also lightweight, has high conductivity and good flexibility to easily receive electrical signals from an electret, and has good durability. Additionally, provision of a musical instrument provided with such a piezoelectric element. A piezoelectric element comprising an electrode layer (B) on at least one surface of an electret material (A) having pores inside, wherein a porosity of the electret material (A) is 20 to 80%, the electrode layer (B) contains 20 to 70 mass % of a carbon fine particle, and a thickness of the electrode layer (B) is 2 to 100 ?m.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 16, 2021
    Assignees: YUPO CORPORATION, YAMAHA CORPORATION
    Inventors: Hiroshi Koike, Yutaro Sugamata, Seiichiro Iida, Kunio Hiyama, Suguru Sasaki, Hidekazu Kodama
  • Patent number: 11148393
    Abstract: It is intended to provide an electrostatic adsorbable laminated sheet which is less likely to cause paste residues, etc. upon peeling from an adherend, exhibits further enhanced adsorbability to an adherend, additionally exhibits enhanced adhesiveness at an electrostatic adsorbable interface, and thereby has enhanced handleability. Electrostatic adsorbable laminated sheet includes label layer, support layer, and grip layer disposed between the label layer and the support layer, wherein the label layer and the support layer are electrostatically adsorbed to each other via the grip layer.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: October 19, 2021
    Assignee: YUPO CORPORATION
    Inventors: Yutaro Sugamata, Hiroshi Koike
  • Publication number: 20210300101
    Abstract: A printing paper having a base layer, an intermediate layer, and a surface layer, the intermediate layer being arranged adjacent to the base layer and on the base layer, and the surface layer being arranged adjacent to the intermediate layer and on the intermediate layer, the base layer, the intermediate layer, and the surface layer each being a thermoplastic resin film having pores, an average pore size of the surface layer being from 0.2 to 5 ?m, an average pore size of the intermediate layer being from 5 to 70 ?m and being greater than the average pore size of the surface layer, and an average pore size of the base layer being from 70 to 200 ?m and being greater than the average pore size of the intermediate layer.
    Type: Application
    Filed: March 23, 2021
    Publication date: September 30, 2021
    Applicant: YUPO CORPORATION
    Inventors: Nobuhiro IWATANI, Tatsuya SUZUKI, Hideyuki IMAI
  • Patent number: 11124679
    Abstract: Provided is a laminated sheet including an upper paper layer and a release sheet layer, the upper paper layer including synthetic paper and an adsorbing layer, the synthetic paper, the adsorbing layer and the release sheet layer, in order, being laminated, wherein the adsorbing layer is a foam sheet of a resin composition, the resin composition containing crosslinking resultant of 100 parts by mass of a (meth)acrylic acid ester copolymer resin and 1 to 20 parts by mass of a carbodiimide crosslinking agent, the (meth)acrylic acid ester copolymer resin having a N-methylol group, a glass transition temperature of the (meth)acrylic acid ester copolymer resin being no more than ?10° C., the release sheet layer consists of a thermoplastic resin sheet, and a rate of tensile elastic moduli is 0.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: September 21, 2021
    Assignees: ZEON CORPORATION, YUPO CORPORATION
    Inventors: Shinsuke Ashida, Atsushi Sone, Tamio Shikano, Hiroshi Koike
  • Publication number: 20210129410
    Abstract: A laminate including at least a heat-sensitive adhesive layer, a substrate layer, and a protective layer in this order, wherein the substrate layer has a thermoplastic resin film, the heat-sensitive adhesive layer contains a higher fatty acid amide, and the protective layer contains a silicone-based release agent. An in-mold label comprising this laminate. A molded body obtained by affixing this in-mold label. An in-mold label in the form of a roll obtained by winding this in-mold label. This invention provides an in-mold label that is less susceptible to dirt and scratches, excellent in decorativeness and visibility, less likely to cause friction when the labels are stacked on each other, and easy to handle, and has strong adhesive strength to a molded body.
    Type: Application
    Filed: March 29, 2019
    Publication date: May 6, 2021
    Applicant: YUPO Corporation
    Inventors: Yuta IWASAWA, Shunsuke HONDA, Masahiko UENO
  • Publication number: 20210114338
    Abstract: An object of the present invention is to provide a laminate that can be adapted to electrophotographic printing in the form of an adhesive label and has excellent abrasion resistance required by BS5609: 1986. The present invention relates to a laminate including a surface coating layer containing 66 to 99% by mass of a polyurethane resin and 1 to 34% by mass of a fine particle having a metal oxide, and a thermoplastic resin film layer including an olefin-based resin, wherein an amount of the surface coating layer applied to the thermoplastic resin film layer is 0.07 to 20 g/m2 in terms of a solid content after drying per unit area.
    Type: Application
    Filed: March 28, 2019
    Publication date: April 22, 2021
    Applicant: YUPO CORPORATION
    Inventors: Daisuke KIKUCHI, Takahiro ZAMA
  • Publication number: 20210108055
    Abstract: Provided are a stretched porous film and a film for printing that give a small amount of carbon dioxide gas emissions and have slight curling. A stretched porous film formed by stretching a resin composition comprising at least a polyethylene resin and an inorganic filler at least in a uniaxial direction, the polyethylene resin comprises a plant-derived polyethylene resin.
    Type: Application
    Filed: April 25, 2019
    Publication date: April 15, 2021
    Applicant: YUPO CORPORATION
    Inventors: Seiichiro IIDA, Mitsuhiro ASHIKAGA
  • Publication number: 20210001255
    Abstract: The electret-treated sheet includes: a core layer (A) which is a porous film containing at least a thermoplastic resin; a surface layer (X) disposed on one side of the core layer (A); and a back surface layer (Y) disposed on the other side of the core layer (A), the surface layer (X) and the back surface layer (Y) each having a charged outermost surface, wherein the electret-treated sheet has a water vapor permeability coefficient of 0.1 to 2.5 g·mm/m2·24 hr; the core layer (A) has a pore aspect ratio of 5 to 50 and an average pore height of 2.5 to 15 ?m; the surface layer (X) and the back surface layer (Y) each have a thickness of 5 to 200 ?m; and the surface layer (X) includes a heat seal layer (B) including the outermost surface, wherein the heat seal layer (B) has a melting point of 50 to 140° C.
    Type: Application
    Filed: March 27, 2019
    Publication date: January 7, 2021
    Applicant: YUPO CORPORATION
    Inventors: Yutaro SUGAMATA, Hiroshi KOIKE, Seiichiro IIDA
  • Patent number: 10810909
    Abstract: Disclosed is a labeled molded container having a container main body and a label, wherein a label surface is provided with a flat portion, a concave-convex pattern, and an edge portion between the convex portion or concave portion and the flat portion, and wherein when observing the labeled molded container from a surface-side thereof by illuminating light from a backside of the container, the edge portion is seen brighter than the flat portion and the concave-convex pattern.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: October 20, 2020
    Assignee: YUPO CORPORATION
    Inventors: Mike Licata, Darren Parzych, Tom Schell, Kazuyuki Kimura
  • Patent number: 10717223
    Abstract: A thermoplastic resin film of the present invention contains at least a base layer containing a thermoplastic resin and a heat seal layer containing a thermoplastic resin; a melting point of the thermoplastic resin contained in the heat seal layer is lower than a melting point of the thermoplastic resin of the base layer; a core roughness depth Rk of a surface of the heat seal layer being from 1.2 to 9.0 ?m; and a ratio Rzjis/Rk of a ten point height of roughness profile Rzjis to a core roughness depth Rk of the surface of the heat seal layer measured in accordance with JIS B0601:2013 Appendix 1 being from 2.0 to 9.0.
    Type: Grant
    Filed: February 12, 2016
    Date of Patent: July 21, 2020
    Assignee: YUPO CORPORATION
    Inventors: Yuichi Iwase, Shunsuke Honda, Takahiko Ueda
  • Publication number: 20200181344
    Abstract: Provided are a recording paper having not only excellent appearance and high adhesion between a substrate and a resin coating but also high adhesion, particularly, high water resistant adhesion to ink or toner in various printing systems and a method for producing the recording paper. The recording paper of the present invention includes: a substrate composed of a thermoplastic resin film; and a resin coating disposed on at least one side of the substrate, wherein the resin coating contains a resin that is a reaction product of a cationic water-soluble polymer and a silane coupling agent, a content of a silane coupling agent component is 15 to 35 mass % based on a cationic water-soluble polymer component in the resin coating, and the resin coating is free from thermoplastic resin particles.
    Type: Application
    Filed: June 28, 2018
    Publication date: June 11, 2020
    Applicant: YUPO CORPORATION
    Inventors: Takuya IKARASHI, Yutaro SUGAMATA
  • Patent number: 10670453
    Abstract: A sensor unit capable of protecting a piezoelectric element and detecting vibration and sound is provided. The sensor unit comprises a sheet-like piezoelectric element having a porous layer, and a sound propagation sheet covering at least one face of the piezoelectric element and permitting transmission of sound from a first face toward a second face of the sound propagation sheet. A difference in acoustic pressure level between the sound incident on the sound propagation sheet and the transmitted sound is preferably no greater than 10 dB. A surface density of the sound propagation sheet is preferably from 0.03 g/m2 to 100 g/m2. The sound propagation sheet is preferably flexible and preferably has voids. The sensor unit preferably further comprises a sound insulation sheet covering another face of the piezoelectric element and substantially preventing transmission of sound from a second face toward a first face of the sound insulation sheet.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: June 2, 2020
    Assignees: YAMAHA CORPORATION, YUPO CORPORATION
    Inventors: Tomoya Miyata, Kunio Hiyama, Seiichiro Iida, Hiroshi Koike, Hidekazu Kodama
  • Publication number: 20200016801
    Abstract: The present invention provides an in-mold molding label in which a substrate layer or the like can be peeled between the substrate layer or the like and an ink-receiving layer while the adhesiveness between the label and a resin molded article is maintained. The present invention relates to an in-mold molding label including a substrate layer (A) containing a thermoplastic resin; an ink-receiving layer (B) containing a polyethylenimine-based polymer; and a printed layer (C) containing a polyethylene-based resin as a main component in this order, and a labeled resin molded article to which the label is affixed.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 16, 2020
    Applicant: YUPO CORPORATION
    Inventors: Takuya IKARASHI, Kou NAKAMURA
  • Publication number: 20200009489
    Abstract: An object of the present invention is to provide a low pressure-loss type of filter which has a high dust collecting capability and suppresses the lowering of the dust collecting capability even after cleaning. The present invention relates to an electret-treated sheet including at least a surface layer, a high dielectric layer and a back-surface layer, while having the high dielectric layer between the surface layer and the back-surface layer, wherein the surface layer and the back-surface layer are each a thermoplastic resin film having a relative dielectric constant of smaller than 6 at 100 kHz; the high dielectric layer is a material having a relative dielectric constant of 6 or larger at 100 kHz; and the surface layer and the back-surface layer each have a static charge due to electrostatically charge; and to a filter using the same.
    Type: Application
    Filed: March 7, 2018
    Publication date: January 9, 2020
    Applicant: YUPO CORPORATION
    Inventors: Yutaro SUGAMATA, Hiroshi KOIKE, Seiichiro IIDA
  • Publication number: 20190393806
    Abstract: Provided is an energy conversion film excellent in charge retention performance and suppressed in deterioration of piezoelectricity even if it is exposed to a high temperature environment and an energy conversion element and the like using the film. An energy conversion element comprising: an energy conversion film at least comprises a charged resin film consisting of a resin film at least containing a thermoplastic resin and a metal soap; and an electrode provided on at least one of the two surfaces of the energy conversion film.
    Type: Application
    Filed: January 31, 2018
    Publication date: December 26, 2019
    Applicant: YUPO CORPORATION
    Inventors: Hiroshi KOIKE, Yutaro SUGAMATA, Seiichiro IIDA
  • Publication number: 20190344535
    Abstract: It is intended to provide an electrostatic adsorbable laminated sheet which is less likely to cause paste residues, etc. upon peeling from an adherend, exhibits further enhanced adsorbability to an adherend, additionally exhibits enhanced adhesiveness at an electrostatic adsorbable interface, and thereby has enhanced handleability. Electrostatic adsorbable laminated sheet includes label layer, support layer, and grip layer disposed between the label layer and the support layer, wherein the label layer and the support layer are electrostatically adsorbed to each other via the grip layer.
    Type: Application
    Filed: July 7, 2017
    Publication date: November 14, 2019
    Applicant: YUPO CORPORATION
    Inventors: Yutaro SUGAMATA, Hiroshi KOIKE
  • Publication number: 20190329537
    Abstract: Provided are a thermoplastic resin film and an adhesive label including the thermoplastic resin film as a substrate excellent not only in transparency but also in indication visibility. The thermoplastic resin film of the present invention includes, in the following order, a printable layer (II), a substrate layer (I) and an adhesive-processing layer (III), wherein the substrate layer (I) comprises 60 to 99.5% by mass of a crystalline polypropylene resin and 0.5 to 40% by mass of a petroleum resin, and an internal haze of the thermoplastic resin film is less than 15%.
    Type: Application
    Filed: January 29, 2018
    Publication date: October 31, 2019
    Applicant: YUPO CORPORATION
    Inventor: Takahiro ZAMA
  • Publication number: 20190311702
    Abstract: Provision of a piezoelectric element which uses a lightweight and flexible electret material and an electrode layer which is also lightweight, has high conductivity and good flexibility to easily receive electrical signals from an electret, and has good durability. Additionally, provision of a musical instrument provided with such a piezoelectric element. A piezoelectric element comprising an electrode layer (B) on at least one surface of an electret material (A) having pores inside, wherein a porosity of the electret material (A) is 20 to 80%, the electrode layer (B) contains 20 to 70 mass % of a carbon fine particle, and a thickness of the electrode layer (B) is 2 to 100 ?m.
    Type: Application
    Filed: November 29, 2017
    Publication date: October 10, 2019
    Applicants: YUPO CORPORATION, YAMAHA CORPORATION
    Inventors: Hiroshi KOIKE, Yutaro SUGAMATA, Seiichiro IIDA, Kunio HIYAMA, Suguru SASAKI, Hidekazu KODAMA
  • Publication number: 20190291378
    Abstract: A method for producing a laminar blank having a microsuction element, the method comprising: conveying a laminar blank along a first path, the laminar blank having an inner surface and an outer surface; conveying a microsuction tape along a second path, which is different to the first path; contacting a first portion of the microsuction tape with the outer surface of a first portion of the laminar blank, to secure the first portion of the microsuction tape to the first portion of the laminar blank; and cutting the microsuction tape to separate the first portion of the microsuction tape from the remainder of the microsuction tape, to thereby provide a laminar blank having a microsuction element.
    Type: Application
    Filed: May 31, 2017
    Publication date: September 26, 2019
    Applicants: ZEON CORPORATION, YUPO CORPORATION
    Inventor: Onesio Luis THESING
  • Publication number: 20190255823
    Abstract: There are provided a film excellent in easy cuttability and linear cuttability and suppressed in breakability in processing, and a roll and a pressure-sensitive adhesive tape, wherein the film has the tensile strength in one direction is 1.1 to 2.5 kN/m and the tensile strength in a direction orthogonal to the one direction is 3.0 to 10 kN/m, or the tensile strain at strength in one direction is 50 to 150% and the tensile strain at strength in a direction orthogonal to the one direction is 8 to 20%.
    Type: Application
    Filed: October 31, 2017
    Publication date: August 22, 2019
    Applicant: YUPO CORPORATION
    Inventors: Yuichi IWASE, Takahiko UEDA