Patents by Inventor Yushi NIIMI

Yushi NIIMI 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: 20230348351
    Abstract: Provided is a compound, a polymer, a composition, a composition for film formation, a pattern formation method, an insulating film formation method, and a method for producing a compound, by which a resist having excellent exposure sensitivity can be obtained. A compound represented by the following formula (1): wherein RA is a hydrogen atom, a methyl group, or a trifluoromethyl group; RX is ORB or a hydrogen atom; RB is a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms; and P is a hydroxy group, an alkoxy group, an ester group, an acetal group, a carboxyalkoxy group, a carbonate ester group, a nitro group, an amino group, a carboxyl group, a thiol group, an ether group, a thioether group, a phosphine group, a phosphone group, a urethane group, a urea group, an amide group, an imide group, or a phosphate group.
    Type: Application
    Filed: December 21, 2021
    Publication date: November 2, 2023
    Inventors: Tadashi OMATSU, Yu OKADA, Takeru KOGUMA, Masahiro MATSUMOTO, Yushi NIIMI, Masatoshi ECHIGO
  • Publication number: 20220348698
    Abstract: Provided is a compound having one or more halogens and an unsaturated double bond. Provided is a method for producing an iodine-containing vinyl monomer comprising: a) a step of providing an iodine-containing alcohol substrate having a general structure represented by the formula (1-1): (the definitions of the variables in the formula (1-1) are as described in the specification); and b) a step of dehydrating the iodine-containing alcohol substrate to obtain the iodine-containing vinyl monomer having a general structure represented by the formula (1): (the definitions of the variables in the formula (1) are as described in the specification).
    Type: Application
    Filed: August 7, 2020
    Publication date: November 3, 2022
    Inventors: Tadashi OMATSU, Kentaro KATAOKA, Masahiro MATSUMOTO, Yushi NIIMI, Takashi MAKINOSHIMA, Masatoshi ECHIGO