Patents by Inventor Toshio Miyatani

Toshio Miyatani 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: 20240141195
    Abstract: A powder coating material composition including a tetrafluoroethylene-based copolymer, wherein the tetrafluoroethylene-based copolymer is a copolymer of 9.0 to 13.0 mass % of hexafluoropropylene, 0.8 to 3.0 mass % of a perfluoroalkyl vinyl ether, and tetrafluoroethylene, having a melt flow rate of 13 to 26 g/10-min, a melting point of 240 to 270° C., an average particle size of 5 to 500 ?m and an apparent density of 0.5 to 1.1 g/ml. Also disclosed is a film that is formed from the powder coating material composition, a laminate including the film, a coated article wherein the film of the powder coating material composition is provided on a metal substrate, and a film-forming method which includes forming a primer film on an object to be coated, and forming a film on a surface of the primer film using the powder coating material composition.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirotake IMADA, Toshio MIYATANI, Yukari HONDA
  • Publication number: 20240059865
    Abstract: A shaped body of a fluororesin obtained using a shaping material comprising a powder of a fluororesin. The powder of the fluororesin has a static bulk density of 0.3 g/ml or more and 1.5 g/ml or less, and a particle diameter of 10 ?m or more and 300 ?m or less in terms of D50. Also disclosed is a three-dimensional structure containing the shaped body, and a method of shaping the shaping material.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki SENDAN, Tadahiro YABU, Yukihiro FUKAGAWA, Kenta MURAYAMA, Tomohiro SHIROMARU, Toshio MIYATANI, Masahiro KONDOU, Hiroyuki HAMADA
  • Patent number: 11866570
    Abstract: A molded body which is formed from a shaping material containing a fluororesin powder. The fluororesin powder has a D50 of 30 ?m or more and 200 ?m or less and a D10 of 12 ?m or more. Also disclosed is a method for forming a molded body from a shaping material containing the fluororesin powder, the method including controlling the temperature of the fluororesin powder; and irradiating the fluororesin powder with a laser at the controlled temperature to fuse the same.
    Type: Grant
    Filed: January 9, 2023
    Date of Patent: January 9, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirokazu Komori, Junpei Terada, Hiroyuki Sendan, Tadahiro Yabu, Yukihiro Fukagawa, Kenta Murayama, Tomohiro Shiromaru, Toshio Miyatani, Masahiro Kondou, Hiroyuki Hamada
  • Patent number: 11845847
    Abstract: A shaping material for a powder bed fusion method, containing a powder of a fluororesin.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: December 19, 2023
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki Sendan, Tadahiro Yabu, Yukihiro Fukagawa, Kenta Murayama, Tomohiro Shiromaru, Toshio Miyatani, Masahiro Kondou, Hiroyuki Hamada
  • Publication number: 20230167269
    Abstract: A molded body which is formed from a shaping material containing a fluororesin powder. The fluororesin powder has a D50 of 30 µm or more and 200 µm or less and a D10 of 12 µm or more. Also disclosed is a method for forming a molded body from a shaping material containing the fluororesin powder, the method including controlling the temperature of the fluororesin powder; and irradiating the fluororesin powder with a laser at the controlled temperature to fuse the same.
    Type: Application
    Filed: January 9, 2023
    Publication date: June 1, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirokazu KOMORI, Junpei Terada, Hiroyuki Sendan, Tadahiro Yabu, Yukihiro Fukagawa, Kenta Murayama, Tomohiro Shiromaru, Toshio Miyatani, Masahiro Kondou, Hiroyuki Hamada
  • Publication number: 20230051217
    Abstract: Provided is a film forming method that can form a film having a thickness of 500 ?m or more with a single coating of a substrate. The present disclosure is a film forming method using a powder coating material containing a polyphenylene sulfide resin, the method including heating the powder coating material at a temperature equal to or higher than a melting point of the polyphenylene sulfide resin and within a range of 250 to 400° C., in which a single coating of a substrate forms a film having a thickness of 500 ?m or more; and the obtained film has a surface roughness, Ra, of 0.30 ?m or less.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 16, 2023
    Applicant: DAIKIN INDUSTRIES, LTD
    Inventors: Yasukazu NAKATANI, Shichou CHIN, Toshio MIYATANI, Hirotake IMADA, Yukari HONDA
  • Patent number: 11555098
    Abstract: A shaping material for a powder bed fusion method, including a powder of a fluororesin, wherein the fluororesin has a D50 of 30 ?m or more and 200 ?m or less, and the fluororesin has a D10 of 12 ?m or more.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: January 17, 2023
    Assignee: DAIKIN INDUSTRIES. LTD.
    Inventors: Hirokazu Komori, Junpei Terada, Hiroyuki Sendan, Tadahiro Yabu, Yukihiro Fukagawa, Kenta Murayama, Tomohiro Shiromaru, Toshio Miyatani, Masahiro Kondou, Hiroyuki Hamada
  • Publication number: 20210087354
    Abstract: A shaping material for a powder bed fusion method, containing a powder of a fluororesin.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 25, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki SENDAN, Tadahiro YABU, Yukihiro FUKAGAWA, Kenta MURAYAMA, Tomohiro SHIROMARU, Toshio MIYATANI, Masahiro KONDOU, Hiroyuki HAMADA
  • Publication number: 20210047497
    Abstract: A shaping material for a powder bed fusion method, including a powder of a fluororesin, wherein the fluororesin has a D50 of 30 ?m or more and 200 ?m or less, and the fluororesin has a D10 of 12 ?m or more.
    Type: Application
    Filed: October 27, 2020
    Publication date: February 18, 2021
    Applicant: Daikin Industries, LTD.
    Inventors: Hirokazu KOMORI, Junpei TERADA, Hiroyuki SENDAN, Tadahiro YABU, Yukihiro FUKAGAWA, Kenta MURAYAMA, Tomohiro SHIROMARU, Toshio MIYATANI, Masahiro KONDOU, Hiroyuki HAMADA
  • Patent number: 10023748
    Abstract: The present invention aims to provide a fluorine-containing polymer powder that is environmentally less harmful and forms a sufficiently smooth film without impairing the properties of the fluorine-containing polymers. The present invention relates to a fluorine-containing polymer powder including a fluorine-containing polymer prepared by suspension polymerization, which contains less than 0.1 ppm of a fluorine-containing surfactant and has an average particle size of not less than 1 ?m and less than 100 ?m and a bulk density of 0.90 to 1.50 g/cm3.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: July 17, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Fumiko Shigenai, Toshiyuki Kinoshita
  • Patent number: 9868877
    Abstract: The present invention provides a composition including a fluorine-containing polymer, and excellent in heat resistance even if only a small amount of additives is added to the composition. The present invention relates to a composition, comprising: a fluorine-containing polymer (a) and a cobalt compound (b).
    Type: Grant
    Filed: June 17, 2010
    Date of Patent: January 16, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Hiroshi Torii, Natsumi Okamoto, Takayuki Hirao, Manabu Fujisawa, Shigehito Sagisaka
  • Publication number: 20140163159
    Abstract: The present invention aims to provide a fluorine-containing polymer powder that is environmentally less harmful and forms a sufficiently smooth film without impairing the properties of the fluorine-containing polymers. The present invention relates to a fluorine-containing polymer powder including a fluorine-containing polymer prepared by suspension polymerization, which contains less than 0.1 ppm of a fluorine-containing surfactant and has an average particle size of not less than 1 ?m and less than 100 ?m and a bulk density of 0.90 to 1.50 g/cm3.
    Type: Application
    Filed: August 29, 2012
    Publication date: June 12, 2014
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Fumiko Shigenai, Toshiyuki Kinoshita
  • Patent number: 8404782
    Abstract: A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 ?m is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This is a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.
    Type: Grant
    Filed: July 9, 2010
    Date of Patent: March 26, 2013
    Assignee: Daikin Industries, Ltd.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Koichiro Ogita
  • Publication number: 20120111601
    Abstract: The present invention provides a composition including a fluorine-containing polymer, and excellent in heat resistance even if only a small amount of additives is added to the composition. The present invention relates to a composition, comprising: a fluorine-containing polymer (a) and a cobalt compound (b).
    Type: Application
    Filed: June 17, 2010
    Publication date: May 10, 2012
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Hiroshi Torii, Natsumi Okamoto, Takayuki Hirao, Manabu Fujisawa, Shigehito Sagisaka
  • Publication number: 20100273948
    Abstract: A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 ?m is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This is a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.
    Type: Application
    Filed: July 9, 2010
    Publication date: October 28, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yasukazu NAKATANI, Toshio MIYATANI, Koichiro OGITA
  • Patent number: 7781532
    Abstract: A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 ?m is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This is a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: August 24, 2010
    Assignee: Daikin Industries, Ltd.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Koichiro Ogita
  • Patent number: 7192638
    Abstract: A fluorine-containing coating composition obtainable by compounding a macromolecular material with an ethylene-tetrafluoroethylene copolymer having an average particle diameter of 1 to 30 ?m. The macromolecular material is one occurring as a liquid or in a state dissolved in a solvent at below the melting initiating temperature of the ethylene-tetrafluoroethylene copolymer. Furthermore, a volume ratio between the ethylene-tetrafluoroethylene copolymer and the macromolecular material is 35:65 to 95:5.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: March 20, 2007
    Assignee: Daikin Industries, Ltd.
    Inventors: Nobuyuki Tomihashi, Koichiro Ogita, Toshio Miyatani, Yasukazu Nakatani, Hiroshi Torii
  • Publication number: 20060247385
    Abstract: A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 ?m is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This is a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.
    Type: Application
    Filed: June 30, 2006
    Publication date: November 2, 2006
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Koichiro Ogita
  • Patent number: 7094838
    Abstract: A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 ?m is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: August 22, 2006
    Assignee: Daikin Industries, Ltd.
    Inventors: Yasukazu Nakatani, Toshio Miyatani, Koichiro Ogita
  • Publication number: 20040204536
    Abstract: It is an object of the present invention to provide a powder coating which is excellent in processibility to attain the desired coat surface smoothness and can give coats excellent in chemical resistance and free from cracking due to chemicals or temperature shocks.
    Type: Application
    Filed: December 12, 2003
    Publication date: October 14, 2004
    Inventors: Toshio Miyatani, Nobuyuki Tomihashi, Hiroshi Torii, Koichiro Ogita