Patents by Inventor Tomiyoshi Ito

Tomiyoshi Ito 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).

  • .alpha.-.omega.-diarylalkane compounds serotonin-2 receptor agonists
    Patent number: 5556864
    Abstract: Compounds of formula (I): ##STR1## [wherein: R.sup.1 is aryl; R.sup.2 is hydrogen, alkyl, alkoxy, halogen or cyano; R.sup.3 is a group of formula --B--NR.sup.4 R.sup.5, where R.sup.4 and R.sup.5 are independently hydrogen, alkyl or substituted alkyl or R.sup.4 and R.sup.5, together with the nitrogen to which they are attached, form a heterocycle, and B is alkylene or a group of formula --CH.sub.2 CH(OR.sup.6)CH.sub.2 --, where R.sup.6 is hydrogen, alkanoyl, substituted alkanoyl or arylcarbonyl, or a group of formula --D--R.sup.7, where D is a single bond or alkylene and R.sup.7 is a heterocycle; and A is alkylene; and pharmaceutically acceptable salts and esters thereof] are useful for the treatment and prevention of circulatory diseases and psychosis.
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: September 17, 1996
    Assignee: Sankyo Company, Limited
    Inventors: Koichi Fujimoto, Naoki Tanaka, Fumitoshi Asai, Tomiyoshi Ito, Hiroyuki Koike
  • Halo-salicylanilide
    Patent number: 4310682
    Abstract: A halo-salycylanilide of the following formula ##STR1## wherein R.sub.1 represents hydrogen or acyl group, R.sub.2 represents alkyl group, and both X.sub.1 and X.sub.2 represent halogen, has high antifungal and bactericidal activity.
    Type: Grant
    Filed: February 22, 1980
    Date of Patent: January 12, 1982
    Inventors: Isao Ozawa, Tomiyoshi Ito, Yoshiki Hamada, Isao Takeuchi