Patents by Inventor Kuniki Ikeda

Kuniki Ikeda 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).

  • 2,5-Di-substituted 4-oxazolealkanoic acids and esters
    Patent number: 4053478
    Abstract: 2,5-Di-substituted 4-oxazolealkanoic acids and esters thereof of the formula: ##STR1## WHEREIN M REPRESENTS AN INTEGER OF 1 TO 2; R.sup.1 represents an alkyl group having 1 to 4 carbon atoms; n represents an integer of 1 to 2; R represents a mono- or di-substituted phenyl group (in which the substituents are selected from the group consisting of a halogen atom, a methyl group, a methoxy group, a nitro group, a trifluoromethyl group, a phenyl group, a halogen-substituted phenyl group, a phenoxy group and a halogen-substituted phenoxy group), a pyridyl group, a halogen-substituted pyridyl group, a furyl group, a halogen-substituted furyl group, a thienyl group, a halogen-substituted thienyl group, a naphthyl group or a halogen-substituted naphthyl group; when m represents an integer of 1, Y represents an hydrogen atom, an alkyl group having 1 to 2 carbon atoms, a benzyl group or a pyridylmethyl group; and when m represents an integer of 2, Y represents a trimethylene group.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: October 11, 1977
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Tsutomu Yamanaka, Toshihiro Kobayakawa, Mitsuhiro Konishi, Kuniki Ikeda
  • 2,5-Di-substituted 4-oxazolealkanoic acid and esters
    Patent number: 4012412
    Abstract: 2,5-Di-substituted 4-oxazolealkanoic acids and esters thereof of the formula: ##STR1## WHEREIN M REPRESENTS AN INTEGER OF 1 TO 2; R.sup.1 represents an alkyl group having 1 to 4 carbon atoms; n represents an integer of 1 to 2; R represents a mono- or di-substituted phenyl group (in which the substituents are selected from the group consisting of a halogen atom, a methyl group, a methoxy group, a nitro group, a trifluoromethyl group, a phenyl group, a halogen-substituted phenyl group, a phenoxy group and a halogen-substituted phenoxy group), a pyridyl group, a halogen-substituted pyridyl group, a furyl group, a halogen-substituted furyl group, a thienyl group, a halogen-substituted thienyl group, a naphthyl group or a halogen-substituted naphthyl group; when m represents an integer of 1, Y represents an hydrogen atom, an alkyl group having 1 to 2 carbon atoms, a benzyl group or a pyridylmethyl group; and when m represents an integer of 2, Y represents a trimethylene group.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: March 15, 1977
    Assignee: Yoshitomi Pharmaceutical Industries, Ltd.
    Inventors: Tsutomu Yamanaka, Toshihiro Kobayakawa, Mitsuhiro Konishi, Kuniki Ikeda