Patents by Inventor Takumi OKIHARA

Takumi OKIHARA 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: 20220176016
    Abstract: The present invention addresses the problem of providing, by a method in which an expensive manufacturing apparatus is not required, an implant material having osteoconductivity superior to that of an implant material containing an aromatic polyether ketone. The present invention pertains to: said method including immersing an aromatic polyether ketone in a strong base solution in the absence of a calcium ion, and immersing an aromatic polyether ketone, which is obtained by the immersing, in a liquid containing a phosphorus-containing compound; and an implant material obtained by said method.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 9, 2022
    Applicants: NATIONAL UNIVERSITY CORPORATION OKAYAMA UNIVERSITY, SHINSHU UNIVERSITY, FUKUOKA UNIVERSITY
    Inventors: Takumi Okihara, Yoshiki Takada, Naoto Saito, Kaoru Aoki, Naoyuki Nishimura, Hisao Haniu, Shigeaki Moriyama, Katsuya Ueda
  • Publication number: 20190091166
    Abstract: The present invention relates to a bioabsorbable sheet or film, composed of a composition containing phosphorylated pullulan. The bioabsorbable sheet or film of the present invention can be suitably used in the medical fields, for example, as medical adhesives to be patched to a biotissue such as organs and blood vessels during surgical operations.
    Type: Application
    Filed: March 8, 2017
    Publication date: March 28, 2019
    Inventors: Yasuhiro YOSHIDA, Akihiro MATSUKAWA, Takumi OKIHARA