Patents by Inventor Mikako Nakamachi

Mikako Nakamachi 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).

  • Ester compound and a pesticidal agent containing the same as an active ingredient
    Patent number: 5852048
    Abstract: There is disclosed an ester compound of the formula (I), ##STR1## wherein R.sup.1 represents a methyl group or a hydrogen atom, R.sup.2 represents a proparqyl group or an allyl group, and R.sup.3 represents a (C.sub.1 -C.sub.5)alkyl group, a (C.sub.1 -C.sub.5)haloalkyl group or a (C.sub.3 -C.sub.5)cycloalkyl group and R.sup.4 represents a halogen atom or a hydrogen atom, and a pesticide containing the same as an active ingredient.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: December 22, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Takashi Furukawa, Kazunori Tsushima, Tomonori Iwasaki, Hirosi Kisida, Mikako Nakamachi, Yoji Takada
  • Intermediate alcohol compound
    Patent number: 5817880
    Abstract: There is provided an intermediate alcohol ester compound represented by the formula VII: ##STR1## wherein R.sub.1 is a methyl group or a hydrogen atom; R.sub.2 is a C.sub.2-4 alkyl group; substituted with two or more fluorine atoms.
    Type: Grant
    Filed: March 14, 1997
    Date of Patent: October 6, 1998
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomonori Iwasaki, Kazunori Tsushima, Takashi Furukawa, Takao Ishiwatari, Toru Tsuchiya, Mikako Nakamachi
  • Ester compound, agent for controlling noxious organisms containing the same as active ingredient, and production intermediate thereof
    Patent number: 5653990
    Abstract: There is provided an ester compound represented by the formula I: ##STR1## wherein R.sub.1 is a methyl group or a hydrogen atom; R.sub.2 is a C.sub.1-6 haloalkyl group; and R.sub.3 is a pyrethroid acid residue, an agent for controlling noxious organisms containing the same as active ingredient and an intermediate for producing the same.
    Type: Grant
    Filed: June 21, 1995
    Date of Patent: August 5, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Tomonori Iwasaki, Kazunori Tsushima, Takashi Furukawa, Takao Ishiwatari, Toru Tsuchiya, Mikako Nakamachi
  • Maleimide pesticides and compositions thereof
    Patent number: 5607963
    Abstract: Maleimide pesticides having enhanced efficacy represented by the formula (I), ##STR1## wherein X represents a halogen atom or a hydrogen atom, and R represents an alkyl group a cycloalkyl or haloalkyl group, a pesticidal composition containing the same as an active ingredient, and a process for producing the same.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: March 4, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Kazunori Tsushima, Takashi Furukawa, Tomonori Iwasaki, Takao Ishiwatari, Mikako Nakamachi