Patents by Inventor Shuji Yokoyama

Shuji Yokoyama 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).

  • Patent number: 5449803
    Abstract: Disclosed are an oxime ether compound represented by the formula (I): ##STR1## wherein R.sup.1 represents an alkyl group having 1 to 6 carbon atoms; R.sup.2 represents OR.sup.5 or NHR.sup.6 where R.sup.5 and R.sup.6 each represent an alkyl group having 1 to 6 carbon atoms; R.sup.3 represents a cycloalkyl group having 3 to 8 carbon atoms; R.sup.4 represents an alkenyloxy group having 3 to 6 carbon atoms, an alkynyloxy group having 3 to 6 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, a benzyloxy group, an alkoxycarbonyl group having 2 to 7 carbon atoms, a halogen atom, a cyano group, an alkylthio group having 1 to 6 carbon atoms, an alkyl group having 1 to 6 carbon atoms, a haloalkyl group having 1 to 6 carbon atoms or an acyl group having 2 to 7 carbon atoms; and n represents an integer of 0 to 5.processes for preparing the same and a fungicide containing the same as an effective ingredient.
    Type: Grant
    Filed: March 17, 1994
    Date of Patent: September 12, 1995
    Assignee: Ube Industries, Ltd.
    Inventors: Masanori Watanabe, Toshinobu Tanaka, Shuji Yokoyama, Hideaki Umeyama, Tadashi Murakami
  • Patent number: 5268488
    Abstract: Disclosed are an acrylate series compound represented by the following formula: ##STR1## wherein R.sup.1 represents a C.sub.1-10 alkoxy group, a halogen atom, a C.sub.1-6 alkyl group, a nitro group, a C.sub.1-6 alkylamino group, a C.sub.1-6 alkylthio group, a halo C.sub.1-6 alkyl group, a pyrrole group, a C.sub.1-6 alkylsulfonyl group, a cyano group, a C.sub.1-6 mono- or dialkylaminosulfonyl group, a phenoxy group which may have a C.sub.1-6 alkoxy group, a benzyloxy group, a halo C.sub.1-6 alkoxy group, a C.sub.3-6 alkenyloxy group, a hydroxyl group, a C.sub.2-7 cyanoalkoxy group, a C.sub.3-6 alkynyloxy group, a C.sub.1-6 alkoxy group substituted by a C.sub.3-6 cycloalkyl group, a C.sub.1-6 alkoxy group substituted by a C.sub.1-6 alkoxy group, a C.sub.2-7 alkoxycarbonyl group or a C.sub.2-7 acyl; R.sup.2 represents a C.sub.3-8 cycloalkyl group which may have a C.sub.1-6 alkyl group; n represents an integer of 0 to 5; a plural number of R.sup.1 s may be the same or different; and when n is 2, two R.sup.
    Type: Grant
    Filed: September 11, 1992
    Date of Patent: December 7, 1993
    Assignee: Ube Industries, Ltd.
    Inventors: Masanori Watanabe, Toshinobu Tanaka, Hisato Kobayashi, Shuji Yokoyama, Hideaki Umeyama
  • Patent number: 5061719
    Abstract: There are disclosed an azolidine derivative represented by the formula: ##STR1## wherein R.sup.1 represents a hydrogen atom, an alkyl group or a cycloalkyl group; R.sup.2 represents a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an alkoxyalkyl group, an alkenyloxyalkyl group, an alkylthioalkyl group, an alkoxycarbonyl group, a furyl group or a thienyl group, or a phenylalkyl group, a phenoxyalkyl group, a phenylthioalkyl group, a phenylalkyloxyalkyl group, a pyridyloxyalkyl group, a phenoxyphenoxyalkyl group, a benzyloxyphenoxyalkyl group or a pyridyloxyphenoxyalkyl group, or R.sup.1 and R.sup.2 may be combined with each other with carbon atoms bonded thereto to form a group represented by the formula: ##STR2## where R.sup.6 represents a hydrogen atom, a halogen atom or a lower alkyl group; R.sup.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: October 29, 1991
    Assignee: Ube Industries, Ltd.
    Inventors: Hisao Sugiura, Toshinobu Tanaka, Takashi Nishimura, Shuji Yokoyama