Patents by Inventor Mitsumasa Shino

Mitsumasa Shino 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).

  • Pyrrolidine compound and pharmaceutical use
    Patent number: 5444083
    Abstract: A pyrrolidine compound having the following formula and a pharmacologically acceptable salt thereof is disclosed. It is useful in the pharmaceutical field. ##STR1## in which X is hydrogen, a halogen, or a lower alkyl, Y is --(CH2)n--, n being zero, 1 or 2, --S(O)p--, p being zero, 1 or 2, --O--, or --NH-- and R is phenyl, a substituent-having phenyl, naphtyl, a substituent-having naphthyl, a heteroaryl or a substituent-having heteroaryl.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: August 22, 1995
    Assignee: Eisai Co., Ltd.
    Inventors: Motosuke Yamanaka, Tomonori Hoshiko, Shinji Suda, Naoki Yoneda, Nobuyuki Mori, Mitsumasa Shino, Hiroki Ishihara, Mamoru Saito, Toshiyuki Matsuoka
  • Solid oral preparation containing a pyrrolidine derivative with a catechol group
    Patent number: 5292521
    Abstract: An oral solid preparation comprising an organic acid or its salt and a catechol compound. The catechol compound is, for example, a pyrrolidine derivative having a catechol group of the following general formula (I). It exhibits an improved absorbability in vivo.
    Type: Grant
    Filed: November 26, 1991
    Date of Patent: March 8, 1994
    Assignee: Eisai Co., Ltd.
    Inventors: Mitsumasa Shino, Sachiyuki Hamano