Patents by Inventor Tomoaki TAKIGAWA

Tomoaki TAKIGAWA 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: 20210309595
    Abstract: Provided is a composition containing a polyphenol compound (B) and a solvent, in which the polyphenol compound (B) is at least one selected from a compound represented by the following formula (1) and a resin having a structure represented by the following formula (2): wherein RY, RT, X, m, N, r, and L are as described in the description.
    Type: Application
    Filed: July 31, 2019
    Publication date: October 7, 2021
    Inventors: Yu OKADA, Tomoaki TAKIGAWA, Takashi MAKINOSHIMA, Masatoshi ECHIGO
  • Publication number: 20210047457
    Abstract: An object of the present invention is to provide a compound and the like that are applicable to a wet process and are useful for forming a photoresist and an underlayer film for photoresists excellent in heat resistance, solubility, and etching resistance. A compound represented by the following formula (1) can solve the problem described above.
    Type: Application
    Filed: January 18, 2019
    Publication date: February 18, 2021
    Inventors: Masatoshi ECHIGO, Yu OKADA, Tomoaki TAKIGAWA, Takashi MAKINOSHIMA
  • Publication number: 20200262787
    Abstract: The present invention provides an optical component forming composition comprising a tellurium-containing compound or a tellurium-containing resin.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 20, 2020
    Inventors: Masatoshi ECHIGO, Tomoaki TAKIGAWA, Takumi TOIDA, Takashi SATO