Patents by Inventor Tomonari SUNAMICHI

Tomonari SUNAMICHI 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).

  • Patent number: 9696625
    Abstract: A method of forming a resist pattern, including: step A in which a first resist pattern is formed on a substrate, step B in which a basic composition is applied to cover the first resist pattern, step C in which a base contained in the basic composition and the first resist pattern are neutralized to form a developing solution insoluble region on a surface of the first resist pattern, and step D in which the covered first resist pattern is developed, the basic composition containing a basic component, and the basic component containing a polymeric compound having a structural unit (x0) represented by general formula (x0-1) (R is H, C1˜5 alkyl group, C1˜5 halogenated alkyl group; Vx01 is divalent hydrocarbon group having ether bond or amide bond or divalent aromatic hydrocarbon group; Yx01 is single bond or divalent linking group; Rx1 is substituent having nitrogen atom).
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: July 4, 2017
    Assignee: TOKYO OHKA KOGYO CO., LTD.
    Inventors: Tomoyuki Hirano, Junichi Tsuchiya, Rikita Tsunoda, Tomonari Sunamichi, Takayoshi Mori
  • Publication number: 20160266495
    Abstract: A method of forming a resist pattern, including: step A in which a first resist pattern is formed on a substrate, step B in which a basic composition is applied to cover the first resist pattern, step C in which a base contained in the basic composition and the first resist pattern are neutralized to form a developing solution insoluble region on a surface of the first resist pattern, and step D in which the covered first resist pattern is developed, the basic composition containing a basic component, and the basic component containing a polymeric compound having a structural unit (x0) represented by general formula (x0-1) (R is H, C1˜5 alkyl group, C1˜5 halogenated alkyl group; Vx01 is divalent hydrocarbon group having ether bond or amide bond or divalent aromatic hydrocarbon group; Yx01 is single bond or divalent linking group; Rx1 is substituent having nitrogen atom).
    Type: Application
    Filed: October 15, 2015
    Publication date: September 15, 2016
    Inventors: Tomoyuki HIRANO, Junichi TSUCHIYA, Rikita TSUNODA, Tomonari SUNAMICHI, Takayoshi MORI