Patents by Inventor Takayuki Yamagiwa

Takayuki Yamagiwa 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).

  • Powder coating composition for PC strand coating, coating method, and coating film
    Patent number: 9169403
    Abstract: A powder coating composition for PC strand coating which, when used for the coating of a PC strand, can advantageously form a coating film having an even thickness at low cost without causing uneven thickness or stringness is disclosed. The powder coating composition of this invention for PC strand coating is characterized by having a melt viscosity of 3,000-15,000 poise.
    Type: Grant
    Filed: August 22, 2008
    Date of Patent: October 27, 2015
    Assignees: NIPPON PAINT CO., LTD., SUMITOMO (SEI) STEEL WIRE CORP.
    Inventors: Tomoyuki Hirai, Yoshitaka Ishihara, Koichiro Natori, Toshihiko Niki, Yoshihiko Touda, Takayuki Yamagiwa
  • POWDER COATING COMPOSITION FOR PC STRAND COATING, COATING METHOD, AND COATING FILM
    Publication number: 20100233478
    Abstract: A powder coating composition for PC strand coating which, when used for the coating of a PC strand, can advantageously form a coating film having an even thickness at low cost without causing uneven thickness or stringness is disclosed. The powder coating composition of this invention for PC strand coating is characterized by having a melt viscosity of 3,000-15,000 poise.
    Type: Application
    Filed: August 22, 2008
    Publication date: September 16, 2010
    Inventors: Tomoyuki Hirai, Yoshitaka Ishihara, Koichiro Natori, Toshihiko Niki, Yoshihiko Touda, Takayuki Yamagiwa