Patents by Inventor Naomi SUGAYA

Naomi SUGAYA 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).

  • Hydroxamic acid derivative or salt thereof
    Patent number: 9862676
    Abstract: A compound represented by general formula (1) (wherein R1 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; R3 represents a hydrogen atom or an optionally substituted C1-6 alkyl group; R4 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; X1 represents an optionally substituted C2-6 alkynylene group or the like; A represents an optionally substituted bivalent aromatic hydrocarbon group or the like; X2 represents an optionally substituted C1-6 alkylene group or the like; Y1 represents an oxygen atom or the like; and R5 represents a hydrogen atom or the like) or a salt thereof is useful as an antibacterial agent.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: January 9, 2018
    Assignee: TOYAMA CHEMICAL CO., LTD.
    Inventors: Muneo Shoji, Naomi Sugaya, Naoko Yasobu
  • NOVEL HYDROXAMIC ACID DERIVATIVE OR SALT THEREOF
    Publication number: 20160039751
    Abstract: A compound represented by general formula (1) (wherein R1 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; R2 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; R3 represents a hydrogen atom or an optionally substituted C1-6 alkyl group; R4 represents a hydrogen atom, an optionally substituted C1-6 alkyl group or the like; X1 represents an optionally substituted C2-6 alkynylene group or the like; A represents an optionally substituted bivalent aromatic hydrocarbon group or the like; X2 represents an optionally substituted C1-6 alkylene group or the like; Y1 represents an oxygen atom or the like; and R5 represents a hydrogen atom or the like) or a salt thereof is useful as an antibacterial agent.
    Type: Application
    Filed: March 14, 2014
    Publication date: February 11, 2016
    Applicant: TOYAMA CHEMICAL CO., LTD.
    Inventors: Muneo SHOJI, Naomi SUGAYA, Naoko YASOBU