Patents by Inventor Kanji Nodo

Kanji Nodo 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).

  • Novel indenothiazole derivative and process for preparing the same
    Patent number: 4877876
    Abstract: This invention provides an indenothiazole derivative and a process for manufacturing the same. The said indenothiazole derivative is represented by the following formula: ##STR1## wherein X and Y are identical with, or different from, each other and are each a hydrogen atom, halogen atom, low alkyl group or low alkoxy group; n is an integer of from 0 to 4; R.sub.1 is a hydrogen atom, low alkyl group, unsubstituted or substituted phenyl group; R.sub.2 is a low alkyl group, cycloalkyl group, low alkoxyl group, unsubstituted or substituted phenoxy group, unsubstituted or substituted phenyl group, alkenyl group, heterocyclic group or cycloamino group; R.sub.3 is a hydrogen atom, low alkyl group or acyl group; and R.sub.2 and R.sub.3 may be combined to form a cycloamino group. Further, this invention also provides a tautomer of the compound represented by the above formula (Ia), wherein all the symbols are as defined above except that R.sub.3 is limited to a hydrogen atom.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: October 31, 1989
    Assignee: Hisamitsu Pharmaceutical Co., Inc.
    Inventors: Masayoshi Tsuji, Akira Nakagawa, Hisataka Inoue, Terumi Hachiya, Yoshihiro Tanoue, Kouichi Ikesue, Masaru Saita, Takenobu Mizoguchi, Testsuo Aoki, Hironobu Sato, Kanji Nodo