Patents by Inventor Masaji Komori

Masaji Komori 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: 20200140682
    Abstract: The present invention provides a reinforced polycarbonate resin composition having all of excellent strength, impact resistance, heat resistance, flame retardancy and thermal stability. A reinforced polycarbonate resin composition which contains 100 parts by weight of a resin composition composed of (A) 50 to 95 parts by weight of a polycarbonate resin (component A) and (B) 5 to 50 parts by weight of a fibrous filler (component B) and (C) 2 to 45 parts by weight of a fluororesin (component C-I) or 2 to 45 parts by weight of a fluororesin (component C-II), wherein (I) the fluororesin (component C-I) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2] and has a melting point of 200 to 280° C., and (II) the fluororesin (component C-II) is a copolymer containing polymerization units respectively represented by general formulae [1] and [2], has a melting point of 240 to 300° C., and has a 5% weight loss temperature of 470° C.
    Type: Application
    Filed: June 25, 2018
    Publication date: May 7, 2020
    Applicants: TEIJIN LIMITED, Daikin Industries, Ltd.
    Inventors: Shunsuke OKUZAWA, Toshiyuki MIYAKE, Koji NAKANISHI, Masaji KOMORI, Hideki KONO
  • Publication number: 20200123377
    Abstract: A resin composition containing a polycarbonate resin and a fluorine-containing copolymer. The fluorine-containing copolymer is a copolymer containing a polymerized unit based on tetrafluoroethylene in an amount of 75% by mass or more of all polymerized units and at least one selected from a polymerized unit based on hexafluoropropylene and a polymerized unit based on a perfluoro(alkyl vinyl ether) in an amount of 2% by mass or more. Aso disclosed is a molded article formed from the resin composition, the polycarbonate resin constituting a continuous phase and the fluorine-containing copolymer constituting a dispersed phase having an average particle size of 0.01 to 2.5 ?m.
    Type: Application
    Filed: June 25, 2018
    Publication date: April 23, 2020
    Applicants: DAIKIN INDUSTRIES, LTD, TEIJIN LIMITED
    Inventors: Koji NAKANISHI, Masaji KOMORI, Hideki KONO, Shunsuke OKUZAWA, Toshiyuki MIYAKE
  • Publication number: 20200123368
    Abstract: A resin composition containing a fluorine-containing polymer and a methacrylate resin. The fluorine-containing polymer and the methacrylate resin have a mass ratio of 35/65 to 95/5. The fluorine-containing polymer contains a vinylidene fluoride unit and a tetrafluoroethylene unit. The vinylidene fluoride unit and the tetrafluoroethylene unit have a mole ratio of 81/19 to 99/1. Also disclosed is a molded article containing the resin composition.
    Type: Application
    Filed: April 11, 2018
    Publication date: April 23, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Shuhei YAMAGUCHI, Ayane NAKAUE, Masaji KOMORI, Hideki KONO
  • Publication number: 20100313946
    Abstract: Provided is a solar cell module which has a PCTFE film as the light-transmitting surface layer and/or back side protective sheet and is excellent in interlayer adhesion. The invention consists in a solar cell module comprising a light-transmitting surface layer, a solar cell element embedded in a filler and a back side protective sheet, wherein at least one of the light-transmitting surface layer and back side protective sheet is a polychlorotrifluoroethylene film (A) having a treated surface layer obtained by electric discharge treatment in an inert gas containing a reactive organic compound and the treated surface layer is disposed on the solar cell element side.
    Type: Application
    Filed: October 15, 2007
    Publication date: December 16, 2010
    Inventors: Tatsuya Higuchi, Kenji Kawasaki, Masaji Komori, Takayuki Araki
  • Publication number: 20080299873
    Abstract: The present invention provides a CMP apparatus less susceptible to slurry adhesion, easy to cleaning off the adhering slurry therefrom and excellent in chemical resistance. The present invention is a CMP apparatus, at least one covered surface selected from the group consisting of a head portion surface and an arm portion surface for holding a polishing target member on a polishing pad, a slurry feed pipe surface and an apparatus main body inside wall being covered with a fluororesin.
    Type: Application
    Filed: May 31, 2007
    Publication date: December 4, 2008
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hidenori Ozaki, Masaji Komori, Tatsuya Higuchi
  • Patent number: 7223800
    Abstract: A method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a heat treatment at a temperature of from room temperature to the melting point of the resin; a method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a supercritical washing treatment at a temperature of from room temperature to the melting point of the resin; and a regenerated fluororesin article containing substantially no impurities which is obtainable by the above method.
    Type: Grant
    Filed: July 19, 2001
    Date of Patent: May 29, 2007
    Assignee: Daikin Industries, Ltd.
    Inventors: Masaji Komori, Takuya Arase
  • Publication number: 20060035047
    Abstract: The invention provides a fluororesin composition capable of providing moldings obtained therefrom with a sufficient level of conductivity and excellent in moldability/processability as well as moldings excellent in surface smoothness and capable of inhibiting filler particles from falling off. The fluororesin composition comprising a fluorine-containing ethylenic polymer and a carbon fibril, wherein said fluorine-containing ethylenic polymer is a carbonyl group-containing one and said carbon fibril amounts to 0.3 to 20% by mass relative to the total solid matter of said carbon fibril and said fluorine-containing ethylenic polymer.
    Type: Application
    Filed: October 29, 2003
    Publication date: February 16, 2006
    Inventors: Eiji Fujita, Tatsuya Higuchi, Masaji Komori, Mutsusuke Nanba
  • Patent number: 6726994
    Abstract: The structural member of the present invention comprises (A) a layer which comprises a fluorine-containing polymer and does not contain an adhesive material other than the fluorine-containing polymer substantially and (B) a substrate, in which the layer (A) is adhered directly to the substrate (B) without interposing a binder therebetween and a longitudinal shear strength between the layer (A) comprising a fluorine-containing polymer and the substrate (B) is not less than 0.98 N/mm2 at 150° C. The structural member comprising a fluorine-containing polymer and a substrate adhered to each other, particularly the structural member having improved adhesive strength at high temperature and the sliding material produced by using the structural member are provided.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: April 27, 2004
    Assignee: Daikin Industries, Ltd.
    Inventors: Takayuki Araki, Tsuyoshi Miyamori, Masaji Komori, Yoshito Tanaka, Masahiro Kumegawa
  • Publication number: 20030125400
    Abstract: A method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a heat treatment at a temperature of from room temperature to the melting point of the resin; a method for producing a regenerated fluororesin, characterized in that it comprises subjecting a used melt-molded fluororesin article to a supercritical washing treatment at a temperature of from room temperature to the melting point of the resin; and a regenerated fluororesin article containing substantially no impurities which is obtainable by the above method.
    Type: Application
    Filed: January 22, 2003
    Publication date: July 3, 2003
    Inventors: Masaji Komori, Takuya Arase
  • Patent number: 6479578
    Abstract: A resin composition which gives a molded article having both of excellent mechanical properties and abrasion resistance with maintaining excellent thermal resistance, chemical resistance, surface characteristics (non-sticking property, low friction property), electric insulating property, etc. of a fluorine-containing polymer; a molded article obtained from the resin composition; and a method for producing the molded article are provided. The resin composition comprises: (A-1) a fluorine-containing ethylenic polymer prepared by copolymerizing at least one of fluorine-containing monomers having any one of hydroxyl, carboxyl, a carboxylate salt group, a carboxylate ester group or epoxy in an amount of 0.05 to 30% by mole on the basis of the total amount of monomers, and (B-1) an inorganic filler or a non-meltable organic filler, wherein said resin composition comprises 1 to 99.5% by weight of the component (A-1) and 0.5 to 99% by weight of the component (B-1).
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: November 12, 2002
    Assignee: Daikin Industries, Ltd.
    Inventors: Takayuki Araki, Masahiro Kumegawa, Tsuyoshi Miyamori, Masami Kato, Masaji Komori, Taketo Kato, Tetsuo Shimizu
  • Patent number: 6416840
    Abstract: An injection moldable fluorine-containing meltable resin composition comprising 70 to 98 wt. % of a fluorine-containing meltable resin, and 2 to 30 wt. % of a needle-shape material having an average diameter of 3 &mgr;m or less, an average aspect ratio of between 10 and 100, and Mohs hardness of between 5 and 8, which composition has good sliding and sealing properties and excellent moldability, in particular, moldability of thin wall articles.
    Type: Grant
    Filed: May 2, 1997
    Date of Patent: July 9, 2002
    Assignee: Daikin Industries, Ltd.
    Inventors: Tsuyoshi Miyamori, Masaji Komori, Masami Katoh, Tetsuo Shimizu
  • Publication number: 20010021744
    Abstract: A resin composition which gives a molded article having both of excellent mechanical properties and abrasion resistance with maintaining excellent thermal resistance, chemical resistance, surface characteristics (non-sticking property, low friction property), electric insulating property, etc. of a fluorine-containing polymer; a molded article obtained from the resin composition; and a method for producing the molded article are provided.
    Type: Application
    Filed: March 5, 2001
    Publication date: September 13, 2001
    Inventors: Takayuki Araki, Masahiro Kumegawa, Tsuyoshi Miyamori, Masami Kato, Masaji Komori, Taketo Kato, Tetsuo Shimizu
  • Patent number: 6245845
    Abstract: To provide a fluorine-containing resin composition useful as a molding material for parts of electronic and electrical equipment which assures well-balanced enhancement of dielectric property, heat resistance, mold-processability (precise processability) and mechanical properties and the parts of electronic and electrical equipment. The fluorine-containing resin composition for parts of electronic and electrical equipment comprises 70 to 95% by weight of (I) fluorine-containing resin mixture comprising (a) a fluorine-containing resin containing polytetrafluoroethylene not to be fibrillated and (b) a thermoplastic resin other than the fluorine-containing resin and 5 to 30% by weight of (II) a metal compound whisker having a single bond strength of not less than 190 KJ/mol calculated from a dissociation energy of bond between a metal element and oxygen. The parts of electronic and electrical equipment which are obtained from the composition have a dielectric constant of not more than 3.5.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: June 12, 2001
    Assignee: Daikin Industries, Inc.
    Inventors: Tsuyoshi Miyamori, Masaji Komori, Takuya Arase
  • Patent number: 6225399
    Abstract: A resin composition which gives a molded article having both of excellent mechanical properties and abrasion resistance with maintaining excellent thermal resistance, chemical resistance, surface characteristics (non-sticking property, low friction property), electric insulating property, etc. of a fluorine-containing polymer; a molded article obtained from the resin composition; and a method for producing the molded article are provided. The resin composition comprises: (A-1) a fluorine-containing ethylenic polymer prepared by copolymerizing at least one of fluorine-containing monomers having any one of hydroxyl, carboxyl, a carboxylate salt group, a carboxylate ester group or epoxy in an amount of 0.05 to 30% by mole on the basis of the total amount of monomers, and (B-1) an inorganic filler or a non-meltable organic filler, wherein said resin composition comprises 1 to 99.5% by weight of the component (A-1) and 0.5 to 99% by weight of the component (B-1).
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: May 1, 2001
    Assignee: Daikin Industries, Ltd.
    Inventors: Takayuki Araki, Masahiro Kumegawa, Tsuyoshi Miyamori, Masami Kato, Masaji Komori, Taketo Kato, Tetsuo Shimizu
  • Patent number: 5906967
    Abstract: A non-sticking sliding part molding Composition comprising a mixture of a fluororesin and a thermoplastic resin other than fluororesin and a fibrous filler, said mixture and said fibrous filler accounting for 70 to 95 weight % and 5 to 30 weight %, respectively, and said thermoplastic resin other than fluororesin occurring in a proportion of 60 to 100 parts by weight based on t00 parts by weight of said fluororesin. The object is to provide a non-sticking sliding part molding composition which is not only fully possessed of the fundamental properties required of sliding parts but also has a well-balanced assortment of hardness, deflection under load, creep resistance, slidability, moldability, and toner-repellent property, thus surpassing the prior art.
    Type: Grant
    Filed: May 4, 1998
    Date of Patent: May 25, 1999
    Assignee: Daikin Industries, Ltd.
    Inventors: Masami Kato, Taketo Kato, Masaji Komori, Tsuyoshi Miyamori, Tetsuo Shimizu
  • Patent number: 5684088
    Abstract: The present invention relates to a PPS resin composition comprising a matrix of the PPS which is filled with a PTFE powder baked at a temperature not less than a melting point thereof and having a number-average molecular weight of not less than 1.5 million or PTFE fine particles having an average particle size of 0.05 to 1 .mu.m and comprising a fibrillating core portion of a high molecular weight PTFE with a number-average molecular weight of not less than 1.5 million and a non-fibrillating shell portion of a low molecular weight PTFE so that a content thereof is 40 to 80% by weight in the composition, and also relates to a process for preparing said PPS resin composition, which is characterized in that melting and kneading are carried out at a temperature from a temperature of not less than a melting point of PPS to a temperature of not more lower than a melting point of a high molecular weight PTFE.
    Type: Grant
    Filed: March 29, 1995
    Date of Patent: November 4, 1997
    Assignee: Daikin Industries, Ltd.
    Inventors: Tsuyoshi Miyamori, Yoshihisa Yamamoto, Masami Kato, Masaji Komori, Tetsuo Shimizu
  • Patent number: 5604285
    Abstract: A resin composition for a sliding part comprising 5 to 45% by volume of a carbon fiber, 1 to 25 by volume of a metal powder and a remaining amount of a melt-processable fluorine-containing resin. A molded article made of the composition has a low friction coefficient having a narrow fluctuation range and has an excellent abrasion resistance to a soft metal.
    Type: Grant
    Filed: December 8, 1994
    Date of Patent: February 18, 1997
    Assignee: Daikin Industries, Ltd.
    Inventors: Tsuyoshi Miyamori, Masami Kato, Masaji Komori, Tetsuo Shimizu