Patents by Inventor Kenta MURAYAMA

Kenta MURAYAMA 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: 20240287263
    Abstract: The disclosure aims to provide a polytetrafluoroethylene fine powder containing less water and less impurities. Provided is a polytetrafluoroethylene fine powder substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.
    Type: Application
    Filed: March 27, 2024
    Publication date: August 29, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Kohei Yasuda, Taku Yamanaka, Masayoshi Miyamoto, Kenta Murayama, Ryota Usami, Hirotoshi Yoshida, Hiroyuki Sato, Emi Yamamoto, Kenta Nishimura, Nobuki Uraoka
  • Publication number: 20240243293
    Abstract: The disclosure aims to provide a polytetrafluoroethylene powder for an electrode binder which is a sustainable product and can reduce or prevent gas generation inside a battery cell and deterioration of battery characteristics, an electrode binder, an electrode mixture, an electrode, and a secondary battery. Provided is a polytetrafluoroethylene powder for use as an electrode binder, the polytetrafluoroethylene powder being substantially free from water and a fluorine-containing compound having a molecular weight of 1000 or less.
    Type: Application
    Filed: March 27, 2024
    Publication date: July 18, 2024
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Taketo KATO, Takaya Yamada, Kohei Yasuda, Taku Yamanaka, Junpei Terada, Masayoshi Miyamoto, Kenta Murayama, Ryota Usami, Hirotoshi Yoshida
  • 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: 20230133748
    Abstract: A three-dimensional shaped object including a fluororesin, wherein the three-dimensional shaped object is a laminate of a layer according to the slice data of the three-dimensional structure. The three-dimensional shaped object has a tensile stress at break of 9 MPa or more, and a tensile elongation at break in the direction perpendicular to the shaped plane of 20% or more. Also disclosed is a method for producing the three-dimensional shaped object.
    Type: Application
    Filed: December 30, 2022
    Publication date: May 4, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hirokazu KOMORI, Hiroyuki SENDAN, Yukihiro FUKAGAWA, Kenta MURAYAMA, Junpei TERADA
  • 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
  • Patent number: 11094835
    Abstract: It is an object of the present invention to provide a silicon carbide substrate having a low defect density that does not contaminate a process device and a silicon carbide semiconductor device including the silicon carbide substrate. A silicon carbide substrate according to the present invention is a silicon carbide substrate including: a substrate inner portion; and a substrate outer portion surrounding the substrate inner portion, wherein non-dopant metal impurity concentration of the substrate inner portion is 1×1016 cm?3 or more, and a region of the substrate outer portion at least on a surface side thereof is a substrate surface region in which the non-dopant metal impurity concentration is less than 1×1016 cm?3.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: August 17, 2021
    Assignees: MITSUBISHI ELECTRIC CORPORATION, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Tomoaki Furusho, Takanori Tanaka, Takeharu Kuroiwa, Toru Ujihara, Shunta Harada, Kenta Murayama
  • 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
  • Publication number: 20200013907
    Abstract: It is an object of the present invention to provide a silicon carbide substrate having a low defect density that does not contaminate a process device and a silicon carbide semiconductor device including the silicon carbide substrate. A silicon carbide substrate according to the present invention is a silicon carbide substrate including: a substrate inner portion; and a substrate outer portion surrounding the substrate inner portion, wherein non-dopant metal impurity concentration of the substrate inner portion is 1×1016 cm?3 or more, and a region of the substrate outer portion at least on a surface side thereof is a substrate surface region in which the non-dopant metal impurity concentration is less than 1×1016 cm?3.
    Type: Application
    Filed: February 20, 2018
    Publication date: January 9, 2020
    Applicants: Mitsubishi Electric Corporation, NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY
    Inventors: Tomoaki FURUSHO, Takanori TANAKA, Takeharu KUROIWA, Toru UJIHARA, Shunta HARADA, Kenta MURAYAMA