Patents by Inventor Jun Takagi

Jun Takagi 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).

  • Publication number: 20080015489
    Abstract: The present invention is directed to a catamenial tampon which includes a primary absorbent member and a withdrawal cord having a withdrawal portion and an attachment portion. The attachment portion is joined to the primary absorbent member. The withdrawal cord includes a composite yarn, which includes a continuous string, and a secondary absorbent member joined to a part of the continuous string. The continuous string is woven according to a predetermined weaving manner after being provisionally twisted, thereby forming the attachment portion and the withdrawal portion.
    Type: Application
    Filed: August 14, 2007
    Publication date: January 17, 2008
    Inventors: Jun Takagi, Hisao Inuyama, Mutsuhiro Ozeki
  • Publication number: 20080010963
    Abstract: The present invention is directed to a catamenial tampon which includes a primary absorbent member and a withdrawal cord having a withdrawal portion and an attachment portion. The attachment portion is joined to the primary absorbent member. The withdrawal cord includes a composite yarn, which includes a continuous string, and a secondary absorbent member joined to a part of the continuous string. The continuous string is woven according to a predetermined weaving manner after being provisionally twisted, thereby forming the attachment portion and the withdrawal portion.
    Type: Application
    Filed: August 14, 2007
    Publication date: January 17, 2008
    Inventors: Jun Takagi, Hisao Inuyama, Mutsuhiro Ozeki
  • Publication number: 20070244224
    Abstract: A reflective film includes a substantially non-drawn film having a layer A that includes a resin composition A containing a resin having a refractive index of less than 1.52 and titanium oxide. The titanium oxide has a refractive index of 2.5 or more, and a vanadium content of 5 ppm or less, and the film has a light reflectance of 95% or more to light having a wavelength of 550 nm, and a heat shrinkage ratio after treatment at 80° C. for 180 minutes of greater than ?0.1% and less than 1.0% in both a longitudinal direction (MD) and in a transverse direction (TD).
    Type: Application
    Filed: November 14, 2005
    Publication date: October 18, 2007
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Takashi Hiruma, Miki Nishida, Takayuki Watanabe, Kazunari Katsuhara, Jun Takagi
  • Publication number: 20070202320
    Abstract: [Problem] To provide an aliphatic polyester-based resin reflective film that has a good light reflecting property and does not undergo yellowing with a lapse of time when in use. [Means for solving] The aliphatic polyester-based resin reflective film is formed from a resin composition that contains an aliphatic polyester-based resin and a fine powder filler composed mainly of titanium oxide. The content of niobium in the titanium oxide is 500 ppm or less. Preferably, grains of the titanium oxide have a surface covered with at least one inert inorganic oxide selected from the group consisting of silica, alumina, and zirconia.
    Type: Application
    Filed: July 19, 2005
    Publication date: August 30, 2007
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventors: Takayuki Watanabe, Miki Nishida, Kazunari Katsuhara, Takashi Hiruma, Jun Takagi
  • Publication number: 20070203287
    Abstract: A resin composition comprising 100 parts by mass of lactic acid resin (A), 50 to 100 parts by mass of metal hydroxide (B) and 0.1 to 30 parts by mass of fiber (C), wherein the fiber (C) is a natural fiber or/and a fiber derived from natural material. Moldings thereof satisfy the V-0 standard or VTM-0 standard according to UL94 vertical flame test (UL94V, UL94VTM).
    Type: Application
    Filed: September 6, 2005
    Publication date: August 30, 2007
    Applicants: MITSUBISHI PLASTICS, INC., SONY CORPORATION
    Inventors: Kazuya Tanaka, Miki Nishida, Jun Takagi, Shinichiro Yamada, Hiroyuki Mori, Yuko Fujihira
  • Publication number: 20070142503
    Abstract: To provide a flame retardant injection molded article that not only has flame-retardant properties but also combines impact resistance and heat resistance, either a flame retardant injection molded article is formed from a resin composition comprising a lactic acid resin (A), a metal hydroxide (B) whose surface has been treated with a silane coupling agent, and a copolymer (C) of lactic acid resin and diol/dicarboxylic acid, respectively at prescribed proportions, or a flame retardant injection molded article is formed from a resin composition comprising, in addition to the component (A) and component (B), either or both of an aliphatic polyester other than lactic acid resin and an aromatic aliphatic polyester (D), and an ester compound (E) of molecular weight in the range of 200 to 2,000, respectively at prescribed proportions.
    Type: Application
    Filed: October 13, 2004
    Publication date: June 21, 2007
    Applicant: Sony Corporation
    Inventors: Shinichiro Yamada, Hiroyuki Mori, Yuko Fujihira, Kazuya Tanaka, Jun Takagi, Yukio Kato
  • Publication number: 20070100051
    Abstract: To provide moldings such as automobile parts and home electric appliance parts having excellent physical properties and recyclability, and shredder dust for recycling to produce a resource as well as a method for recycling the shredder dust, the shredder dust for recycling to produce a resource includes a pulverisate of a molding consisting mainly of a lactic acid-based resin composition. The lactic acid-based resin composition includes: 1) 30 to 100% by weight of a lactic acid-based resin; 2) 0 to 50% by weight of an aliphatic polyester and/or an aromatic-aliphatic polyester having a glass transition temperature, Tg, of 0° C. or less; 3) 0 to 50% by weight of an inorganic filler; 4) 0 to 10% by weight of a hydrolysis inhibitor; and 5) 0 to 50% by weight of a plasticizer.
    Type: Application
    Filed: December 20, 2006
    Publication date: May 3, 2007
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventor: Jun Takagi
  • Publication number: 20070082805
    Abstract: Disclosed are a carbon porous membranous structure having fine interconnecting pores an average diameter of which is 0.05 to 10 ?m and a porosity of 15 to 85% and a metal-dispersed carbon structure comprising that carbon porous membranous structure having dispersed therein fine particles of at least one kind of a metal and an alloy. The carbon porous membranous structures are useful as a component of fuel cells, particularly as an electrode base material of gas diffusion electrodes for solid polymer electrolyte fuel cells and phosphoric acid fuel cells.
    Type: Application
    Filed: December 11, 2006
    Publication date: April 12, 2007
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Shyusei Ohya, Jun Takagi, Yuuichi Fujii, Shigeru Yao
  • Publication number: 20070077460
    Abstract: A metal-supported porous carbon film wherein metal fine particles with a mean particle diameter of 0.7-20 nm are dispersed and supported on pore surface walls, fuel cell electrodes employing the metal-supported porous carbon film, a membrane-electrode assembly comprising the fuel cell electrodes bonded on both sides of a polymer electrolyte film, and a fuel cell comprising the fuel cell electrode as a constituent element. The support structure is such that metal fine particles having a controlled particle size are uniformly supported to allow effective utilization of the metal-based catalyst, and the fabrication steps are simple.
    Type: Application
    Filed: April 8, 2004
    Publication date: April 5, 2007
    Inventors: Shyusei Ohya, Yuuichi Fujii, Makoto Matsuo, Jun Takagi
  • Publication number: 20070054089
    Abstract: To obtain a reflection film that does not undergo yellowing or a reduction in reflectance with a lapse of time by using, has excellent deadfold properties, generates less calorific when incinerated, and is degradable by microorganisms when subjected to earth filling, and causes no problem of waste disposal, the reflection film includes an aliphatic polyester based resin as a base resin and fine powder filler. The reflection film has pores inside thereof at a porosity of 50% or less. Preferably, the fine powder filler includes titanium oxide.
    Type: Application
    Filed: May 20, 2004
    Publication date: March 8, 2007
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Takayuki Watanabe, Takashi Hiruma, Kazunari Katsuhara, Miki Nishida, Jun Takagi
  • Publication number: 20060202391
    Abstract: [Problem]To provide injection molded articles that are formed from plant-derived materials as main components and have heat resistance and high crystallization rates. [Means for Solving]The injection molded article of the present invention includes a resin composition containing: (A) a lactic acid based resin; and (B) a natural fiber that contains 40 mass % to 60 mass % of cellulose, 10 mass % to 30 mass % of lignin, wherein the resin composition contains the lactic acid based resin (A) and the natural fiber (B) in a mass ratio of 99:1 to 70:30, and the lactic acid based resin (A) has a resin composition ratio of L-lactic acid:D-lactic acid=100:0 to 97:3, or L-lactic acid:D-lactic acid=0:100 to 3:97. [Representative drawing]None.
    Type: Application
    Filed: July 30, 2004
    Publication date: September 14, 2006
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Miki Nishida, Kazuya Tanaka, Jun Takagi
  • Publication number: 20060194899
    Abstract: To obtain injection molded objects having biodegradability and excellent flame retardance and mechanical strength, the injection molded object includes a lactic acid based resin; and a metal hydroxide in a ratio of 5 to 40 mass parts per 100 mass parts of the lactic acid based resin. The metal hydroxide is surface-treated, and Na2O (w-Na2O) present on a surface of grains of the metal hydroxide is 0.1 mass % or less based on the total mass of the metal hydroxide. Preferably, the injection molded object contains an aliphatic polyester other than the lactic acid based resin or an aromatic-aliphatic polyester in a ratio of 20 to 80 mass parts per 100 mass parts of the lactic acid based resin.
    Type: Application
    Filed: April 2, 2004
    Publication date: August 31, 2006
    Applicant: Mitsubishi Plastics, Inc.
    Inventors: Akihiro Ohashi, Kazuya Tanaka, Yukio Kato, Jun Takagi
  • Publication number: 20060148969
    Abstract: Disclosed is a resin composition that has excellent impact resistance and excellent heat resistance without substantially deteriorating biodegradability that the lactic acid based resin has inherently. The resin composition includes (A) a lactic acid based resin; (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (AHm) of 5 J/g to 30 J/g, and/or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (?Hm) of 5 J/g to 30 J/g, and (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (?Hm) of 5 J/g to 30 J/g, and/or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0C or less and a heat of crystal melting (?Hm) of 5 J/g to 30 J/g, has a content of 5 mass % to 25 mass %.
    Type: Application
    Filed: October 22, 2003
    Publication date: July 6, 2006
    Inventors: Kazuya Tanaka, Jun Takagi, Akihiro Ohashi, Yukio Kato
  • Publication number: 20060100313
    Abstract: In order to provide a resin composition containing a lactic acid resin, and a molded article obtained from this resin composition which impart flame retardance to the resin composition and suppress a reduction in the molecular weight, use is made of a flame-retardant resin composition which contains a resin composition of which the major component is a lactic acid resin, and a surface-treated metallic hydroxide, wherein the surface-treated metallic hydroxide is added by 50-150 parts by mass per 100 parts by mass of the lactic acid resin.
    Type: Application
    Filed: September 8, 2003
    Publication date: May 11, 2006
    Inventors: Kazuya Tanaka, Jun Takagi
  • Publication number: 20050250931
    Abstract: To provide moldings such as automobile parts and home electric appliance parts having excellent physical properties and recyclability, and shredder dust for recycling to produce a resource as well as a method for recycling the shredder dust, the shredder dust for recycling to produce a resource includes a pulverisate of a molding consisting mainly of a lactic acid-based resin composition. The lactic acid-based resin composition includes: 1) 30 to 100% by weight of a lactic acid-based resin; 2) 0 to 50% by weight of an aliphatic polyester and/or an aromatic-aliphatic polyester having a glass transition temperature, Tg, of 0° C. or less; 3) 0 to 50% by weight of an inorganic filler; 4) 0 to 10% by weight of a hydrolysis inhibitor; and 5) 0 to 50% by weight of a plasticizer.
    Type: Application
    Filed: May 5, 2004
    Publication date: November 10, 2005
    Applicant: MITSUBISHI PLASTICS, INC.
    Inventor: Jun Takagi
  • Patent number: 6960374
    Abstract: The present invention provides a biodegradable bag which can be heat-sealed at low temperature, does not develop corrugation, has transparency, and has degradability in the natural environment. Laminates including a biaxially oriented film of which the major component is a polylactic acid-family polymer, and a film of which the major component is an aliphatic polyester having a predetermined structure are heat-sealed so that the biaxially oriented film of which the major component is the polylactic acid-family polymer will be an outer layer.
    Type: Grant
    Filed: October 23, 2000
    Date of Patent: November 1, 2005
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Shigenori Terada, Jun Takagi
  • Publication number: 20050181268
    Abstract: A fuel cell electrode comprising a structure wherein fine particles of a noble metal or a noble metal element-containing alloy are supported on inner walls of fine pores of a porous graphite film having fine continuous pores, a fuel cell electrode having an ion-conducting electrolyte material coated on the inner walls of continuous pores of the electrode, a membrane-electrode assembly (MEA) comprising the fuel cell electrode assembled onto at least one side of the ion-conducting electrolyte material, and a fuel cell comprising the membrane-electrode assembly as a constituent element thereof. It is thereby possible to obtain, by a simple fabrication process, a fuel cell electrode, membrane-electrode assembly and fuel cell having a support structure which allows effective use of noble metal catalysts, which reliably maintains paths for fuel gas, electrons, protons and water, and which consistently exhibits stable performance over extended periods.
    Type: Application
    Filed: March 31, 2003
    Publication date: August 18, 2005
    Applicant: Ube Industries Ltd. A corporation of Japan, 1978-96
    Inventors: Shyusei Ohya, Jun Takagi
  • Publication number: 20040265676
    Abstract: A polymer electrolyte solution useful in the fabrication of solid polymer electrolyte fuel cell electrodes, characterized by comprising a solvent containing a hydrophilic and high-boiling polar solvent, preferably a mixed solvent mainly comprising the polar solvent and water, having dissolved therein a perfluorocarbon sulfonic acid polymer.
    Type: Application
    Filed: April 21, 2004
    Publication date: December 30, 2004
    Inventors: Jun Takagi, Shyusei Ohya, Yuuichi Fujii
  • Patent number: 6743490
    Abstract: A packaging box, for a golf ball, is formed by folding a packaging sheet comprising a decomposable laminate material consisting of a polylactic acid-containing polymer film and a sheet of paper laminated with the polylactic acid-containing polymer film. A portion corresponding to a window is cut out from the paper, and the window is covered with the polylactic acid-containing polymer film laminated on the paper. The window is formed straddlingly on two or three planes such that the polylactic acid-containing polymer film covering the window is bent perpendicularly at a boundary between the planes adjacent to each other. A raised portion is formed on the packaging sheet.
    Type: Grant
    Filed: January 2, 2001
    Date of Patent: June 1, 2004
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Kazuhisa Fushihara, Kuniyasu Horiuchi, Norio Yoshiga, Jun Takagi
  • Patent number: 6713175
    Abstract: An object is to provide a biaxially stretched film which allows tacking, is heat-stickable, is less liable to unevenness in thickness, breakage, whitening, unevenness, etc. i.e. has stretching stability and is decomposable in the natural environment. It comprises a polylactic acid-family polymer as its major component, and has a storage elastic modulus E′ at 120° C. of 100-230 MPa as measured using a test method concerning temperature dependency of the dynamic viscous elasticity under JIS K7198.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: March 30, 2004
    Assignee: Mitsubishi Plastics, Inc.
    Inventors: Shigenori Terada, Jun Takagi