Patents by Inventor Masatoshi AKAJI

Masatoshi AKAJI 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).

  • POLISHING COMPOSITION AND POLISHING METHOD
    Publication number: 20200263056
    Abstract: A polishing composition include a compound represented by the following formula (1), a cerium oxide particle, and water. R1 is S?, SR11 where R11 is a hydrogen atom or a hydrocarbon group optionally containing a hetero atom, N?R12 where R12 is a hydrogen atom or a hydrocarbon group optionally containing a hetero atom, NR13R14 where R13 and R14 are each independently a hydrogen atom or a hydrocarbon group optionally containing a hetero atom, or R13 and R14 are combined with each other to form a heterocycle, or N=NR15 where R15 is a hydrocarbon group; R2 is a hydrocarbon group optionally containing a hetero atom; X+ is a monovalent cation; n is 1 in the case where R1 is S? or N?R12 and is 0 in the case where R1 is other than S? and N?R12.
    Type: Application
    Filed: February 14, 2020
    Publication date: August 20, 2020
    Applicant: AGC INC.
    Inventors: Masatoshi AKAJI, Nobuyuki TAKAGI, Tomoo KATO