Patents by Inventor Hisao Yamamoto

Hisao Yamamoto 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).

  • Methods and compositions for improving the feed intake of meat producing animals
    Patent number: 3932637
    Abstract: Compositions and methods for inducing polyphagia in immature meat producing animals comprise administering orally or by injection an effective but nontoxic subpharmacodynamic quantity of a 1,4-benzodiazepinone active ingredient whose structure is characterized by an 1-alkyl-sulfonylalkyl moiety. Preferred active ingredients are 1-(ethylsulfonylethyl)-5-(o-halophenyl)-7-halo-1,3-dihydro-2H-1,4-benzodia zepin-2-ones.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: January 13, 1976
    Assignees: Sumitomo Chemical Company, Limited, SmithKline Corporation
    Inventors: Hisao Yamamoto, Shigeho Inaba, Mitsuhiro Akatsu, Clifton A. Baile, Roger G. Parish