Patents by Inventor Tatsuhiko Komada

Tatsuhiko Komada 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).

  • Unsymmetrical cyclic diamine compound
    Publication number: 20030022887
    Abstract: A cyclic diamine compound of formula (1): 1
    Type: Application
    Filed: June 29, 2001
    Publication date: January 30, 2003
    Applicant: Kowa Co., Ltd.
    Inventors: Tatsuhiko Komada, Masahiro Tamura, Toshiaki Oda, Yukiyoshi Yamazaki, Masahiro Nishikawa, Shunji Takemura, Takeshi Doi, Yoshinori Kyotani