Patents by Inventor Mariko Fujiyoshi

Mariko Fujiyoshi 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).

  • Alkyl substituted cyclams
    Patent number: 4168265
    Abstract: Alkyl cyclam resulting from substitution of one or more hydrogens of the cyclam represented by the formula ##STR1## by alkyl groups containing at least 8 carbon atoms. The alkyl cyclam can be used for capturing metal ions.
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: September 18, 1979
    Assignee: Iwao Tabushi
    Inventors: Iwao Tabushi, Mariko Fujiyoshi, Hidefumi Kato, Yasuhisa Kuroda