Patents by Inventor Yasuo Iwasa

Yasuo Iwasa 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).

  • Patent number: 9636857
    Abstract: A label for in-mold forming comprising a thermoplastic resin film with a heat-sealable layer, a printable thermoplastic resin film, and an antenna and an IC chip. The antenna and the IC chip are interposed between the thermoplastic resin films. The label is strong and water resistant with a high adhesive strength. The label has the function of an IC label and has a printable surface. Also provided is a thermoplastic resin container bearing the label. Bonding the label to a thermoplastic resin container does not damage the IC chip and antenna.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: May 2, 2017
    Assignee: Yupo Corporation
    Inventors: Takatoshi Nishizawa, Yasuo Iwasa
  • Patent number: 9633580
    Abstract: A label for in-mold molding, which comprises a laminate film comprising a substrate layer (A) and a heat-sealable resin layer (B), wherein the substrate layer (A) comprises a thermoplastic resin in an amount of from 40 to 90% by weight and at least one of an inorganic fine powder and an organic filler in an amount of from 10 to 60% by weight, the heat-sealable resin layer (B) comprises a thermoplastic resin in an amount of from 50 to 100% by weight, the laminate film is at least uniaxially stretched, the porosity of the laminate film is from 10% to 45%, the thermal conductivity of the label is from 0.04 to 0.11 W/mK, and the bonding strength of the label stuck to an adherend formed of a propylene-based resin at 200° C. and 60 MPa is from 250 to 1500 g/15 mm.
    Type: Grant
    Filed: October 13, 2010
    Date of Patent: April 25, 2017
    Assignee: YUPO CORPORATION
    Inventors: Mitsuhiro Ashikaga, Masaki Shiina, Yasuo Iwasa
  • Patent number: 9149976
    Abstract: A label for in-mold forming which comprises a thermoplastic resin film base layer (I), a heat-sealable resin layer (II), and an antistatic layer (III), wherein the heat-sealable resin layer (II) comprises a heat-sealable resin including a copolymer of propylene and ?-olefin having 4-20 carbon atoms and has a degree of non-crystallinity of 60-90% as determined with a differential scanning calorimeter (DSC) at temperatures less than 90° C., the antistatic layer (III) comprises an antistatic agent in an amount of 0.001 to 1 g per unit area (m2) and the surface of the layer has a wettability index (JIS-K-6768) of 32-54 mN/m, and the label has a porosity higher than 10% and not higher than 70% and has an opacity (JIS-P-8138) higher than 20% and not higher than 100%; and a labeled container with the label.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: October 6, 2015
    Assignee: YUPO CORPORATION
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Patent number: 8920890
    Abstract: A label for in-mold forming which comprises a thermoplastic resin film base layer (I), a heat-sealable resin layer (II), and an antistatic layer (III), wherein the heat-sealable resin layer (II) comprises a heat-sealable resin including a copolymer of propylene and ?-olefin having 4-20 carbon atoms and has a degree of non-crystallinity of 60-90% as determined with a differential scanning calorimeter (DSC) at temperatures less than 90° C., the antistatic layer (III) comprises an antistatic agent in an amount of 0.001 to 1 g per unit area (m2) and the surface of the layer has a wettability index (JIS-K-6768) of 32-54 mN/m, and the label has a porosity higher than 10% and not higher than 70% and has an opacity (JIS-P-8138) higher than 20% and not higher than 100%; and a labeled container with the label.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: December 30, 2014
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Publication number: 20120315447
    Abstract: A label for in-mold molding, which comprises a laminate film comprising a substrate layer (A) and a heat-sealable resin layer (B), wherein the substrate layer (A) comprises a thermoplastic resin in an amount of from 40 to 90% by weight and at least one of an inorganic fine powder and an organic filler in an amount of from 10 to 60% by weight, the heat-sealable resin layer (B) comprises a thermoplastic resin in an amount of from 50 to 100% by weight, the laminate film is at least uniaxially stretched, the porosity of the laminate film is from 10% to 45%, the thermal conductivity of the label is from 0.04 to 0.11 W/mK, and the bonding strength of the label stuck to an adherend formed of a propylene-based resin at 200° C. and 60 MPa is from 250 to 1500 g/15 mm.
    Type: Application
    Filed: October 13, 2010
    Publication date: December 13, 2012
    Applicant: YUPO CORPORATION
    Inventors: Mitsuhiro Ashikaga, Masaki Shiina, Yasuo Iwasa
  • Publication number: 20120288652
    Abstract: A label for in-mold forming which comprises a thermoplastic resin film base layer (I), a heat-sealable resin layer (II), and an antistatic layer (III), wherein the heat-sealable resin layer (II) comprises a heat-sealable resin including a copolymer of propylene and ?-olefin having 4-20 carbon atoms and has a degree of non-crystallinity of 60-90% as determined with a differential scanning calorimeter (DSC) at temperatures less than 90° C., the antistatic layer (III) comprises an antistatic agent in an amount of 0.001 to 1 g per unit area (m2) and the surface of the layer has a wettability index (JIS-K-6768) of 32-54 mN/m, and the label has a porosity higher than 10% and not higher than 70% and has an opacity (JIS-P-8138) higher than 20% and not higher than 100%; and a labeled container with the label.
    Type: Application
    Filed: July 19, 2012
    Publication date: November 15, 2012
    Applicant: YUPO CORPORATION
    Inventors: Yasuo IWASA, Masaki Shiina, Takatoshi Nishizawa
  • Patent number: 8187692
    Abstract: The invention provides an in-mold label which enables the degree of scumming to be judged during printing and imparts a good appearance to molded articles produced through in-mold molding, and which comprises a base layer (I), a heat-sealable resin layer (II), and a printable layer (III) and has a haze in whole layer of 80-100% and an internal haze of 0-20%. The invention further provides a molded article obtained using the label.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: May 29, 2012
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa, Masahiro Kimura, Hajime Mizuno
  • Publication number: 20120040197
    Abstract: A label for in-mold molding, which comprises a laminate configuration of a substrate layer and a heat-sealable layer, wherein the substrate layer is a stretched film formed of a resin composition comprising an ?-olefin-based copolymer having a melting point of from 105 to 170° C. and a crystalline propylene-based resin, and the label has an internal haze of from 1 to 30% for a stack of ten labels, does not detract from the shape of a container and does not detract from the outward appearance of the label when the label is stuck to the container.
    Type: Application
    Filed: January 26, 2010
    Publication date: February 16, 2012
    Applicant: YUPO CORPORATION
    Inventors: Tatsuya Suzuki, Yasuo Iwasa, Kou Nakamura
  • Patent number: 8097338
    Abstract: An in-mold label comprising an olefinic resin substrate layer (A) having a wetting index (?) of from 34 to 74 mN/m and a heat-sealable resin layer (B) with an antistatic layer having a wetting index (?) of from 30 to 54 mN/m, wherein the absolute value of the initial frictional charge voltage of the substrate layer (A) relative to a sheet offset printing blanket is from 0 kV to 15 kV. This label has good workability in printing, cutting and blanking even in a low-humidity environment.
    Type: Grant
    Filed: May 20, 2005
    Date of Patent: January 17, 2012
    Assignee: Yupo Corporation
    Inventors: Mitsuhiro Ashikaga, Naohide Ando, Yasuo Iwasa
  • Patent number: 7910201
    Abstract: A porous resin film which is obtained from a compound prepared by kneading a composition comprising 30 to 100% by weight of a thermoplastic resin comprising a hydrophilic thermoplastic resin and 0 to 70% by weight of an inorganic and/or an organic powder in an intermeshing twin-screw extruder at a screw shear rate of 300 sec?1 or higher and which has a liquid absorbing capacity of 0.5 ml/m2 or more as measured in accordance with the method specified in Japan TAPPI Standard No. 51-87.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: March 22, 2011
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Shigekazu Oi
  • Patent number: 7862884
    Abstract: An electrophotographic film with excellent water resistance, which is more reduced in heat curling than before when used as a recording paper for thermal fixing-type electrophotographic printers or a copying machines and prevents stains of the toner-fixing unit if it jams in the printer or copying machine and which can provide continuous printing of a large number of sheets, is provided by an electrophotographic film comprising a resin film (A) formed of a resin composition containing an inorganic fine powder and/or an organic filler, the resin composition having a melt tension of 5 g or more at 210° C., a crystallization temperature of 120° C. or more and a crystallization heat of 60 J/cm3 or less.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: January 4, 2011
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Masaaki Yamanaka
  • Patent number: 7807243
    Abstract: The invention relates to: a label for in-mold forming having excellent suitability for delabeling which comprises a thermoplastic resin film base layer (I) and a heat-sealable resin layer (II) and in which the heat-sealable resin layer (II) has an adhesion strength as measured at 23° C. of 300 gf/15 mm or higher and an adhesion strength as measured at 90° C. of 290 gf/15 mm or lower; and a labeled resin container having the label bonded thereto.
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: October 5, 2010
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Patent number: 7740924
    Abstract: Disclosed is an in-mold labeled thermoplastic resin container specifically so designed that the ratio of the product A of the Gurley stiffness (m·kgf) and the 3% elongation load (kgf) of the label-edge part of the labeled area thereof to the product B of the Gurley stiffness and the 3% elongation load of the label-surrounding part of the non-labeled area thereof, A/B, is at most 0.6. The container has good drop impact fracture resistance and has good producibility, and it is lightweight.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: June 22, 2010
    Assignee: Yupo Corporation
    Inventors: Yasuo Iwasa, Takatoshi Nishizawa
  • Publication number: 20080254275
    Abstract: An in-mold label comprising an olefinic resin substrate layer (A) having a wetting index (?) of from 34 to 74 mN/m and a heat-sealable resin layer (B) with an antistatic layer having a wetting index (?) of from 30 to 54 mN/m, wherein the absolute value of the initial frictional charge voltage of the substrate layer (A) relative to a sheet offset printing blanket is from 0 kV to 15 kV. This label has good workability in printing, cutting and blanking even in a low-humidity environment.
    Type: Application
    Filed: May 20, 2005
    Publication date: October 16, 2008
    Inventors: Mitsuhiro Ashikaga, Naohide Ando, Yasuo Iwasa
  • Publication number: 20080182117
    Abstract: A label for in-mold forming which comprises a thermoplastic resin film base layer (I), a heat-sealable resin layer (II), and an antistatic layer (III), wherein the heat-sealable resin layer (II) comprises a heat-sealable resin including a copolymer of propylene and ?-olefin having 4-20 carbon atoms and has a degree of non-crystallinity of 60-90% as determined with a differential scanning calorimeter (DSC) at temperatures less than 90° C., the antistatic layer (III) comprises an antistatic agent in an amount of 0.001 to 1 g per unit area (m2) and the surface of the layer has a wettability index (JIS-K-6768) of 32-54 mN/m, and the label has a porosity higher than 10% and not higher than 70% and has an opacity (JIS-P-8138) higher than 20% and not higher than 100%; and a labeled container with the label.
    Type: Application
    Filed: January 31, 2007
    Publication date: July 31, 2008
    Applicant: YUPO CORPORATION
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Publication number: 20080063835
    Abstract: The invention relates to: a label for in-mold forming having excellent suitability for delabeling which comprises a thermoplastic resin film base layer (I) and a heat-sealable resin layer (II) and in which the heat-sealable resin layer (II) has an adhesion strength as measured at 23° C. of 300 gf/15 mm or higher and an adhesion strength as measured at 90° C. of 290 gf/15 mm or lower; and a labeled resin container having the label bonded thereto.
    Type: Application
    Filed: September 7, 2006
    Publication date: March 13, 2008
    Applicant: YUPO CORPORATION
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Patent number: 7323294
    Abstract: A color photographic material is disclosed comprising a black image forming coupler substituted in the 2, 4 and/or 6 position shown by formula (I) or formula (II), where in LINK represents a divalent linking group, BALL represents a group that prevents the coupler from diffusing away from the layer containing it. X and Y each represent a hydrogen atom or a coupling-off group capable of being released upon an oxidative coupling reaction with a developing agent. The material has a good color reproduction and excellent light stability.
    Type: Grant
    Filed: October 11, 2005
    Date of Patent: January 29, 2008
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Huibert Albertus van Boxtel, Akira Kase, Yasuo Iwasa, Yuzo Toda
  • Publication number: 20070218227
    Abstract: A label for in-mold forming is provided which is excellent in strength, water resistance, and adhesion strength, is usable in both indoor and outdoor applications and even in water, and can be used for containers for frozen foods, industrial products, various containers for chemicals, manufacturing process control applications, physical distribution management applications, tote boxes, etc. Also provided is a thermoplastic resin container bearing the label. This label for in-mold forming has the function of an IC label and has a surface which can be printed. It is free from the fear about security that the IC chip or antenna disposed therein may be seen through. When the label is bonded to a thermoplastic resin container, the IC chip and antenna disposed therein are not damaged in the process.
    Type: Application
    Filed: June 29, 2005
    Publication date: September 20, 2007
    Inventors: Takatoshi Nishizawa, Yasuo Iwasa
  • Publication number: 20070054091
    Abstract: A label for in-mold molding having a porosity of 10% or less and an opacity (in conformity with JIS-P-8138) of 20% or less, and comprising a thermoplastic resin film base layer (I) and a heat sealable resin layer (II), wherein the heat sealable resin layer (II) has the degree of a non-crystallinity of from 60 to 90% measured with a differential scanning calorimeter (DSC) at less than 90° C., and contains a copolymer of propylene and ?-olefin having from 4 to 20 carbon atoms, and a labeled container having the same.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 8, 2007
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa
  • Publication number: 20070003777
    Abstract: The invention provides an in-mold label which enables the degree of scumming to be judged during printing and imparts a good appearance to molded articles produced through in-mold molding, and which comprises a base layer (I), a heat-sealable resin layer (II), and a printable layer (III) and has a haze in whole layer of 80-100% and an internal haze of 0-20%. The invention further provides a molded article obtained using the label.
    Type: Application
    Filed: March 2, 2006
    Publication date: January 4, 2007
    Applicant: YUPO CORPORATION
    Inventors: Yasuo Iwasa, Masaki Shiina, Takatoshi Nishizawa, Masahiro Kimura, Hajime Mizuno