Patents by Inventor Hiromi Maruyama

Hiromi Maruyama 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).

  • Process for the manufacture of optically active .alpha.-hydroxycarboxylic acids
    Patent number: 4204044
    Abstract: The present invention is concerned with a process for the manufacture of optically active .alpha.-hydroxycarboxylic acids, especially a process for the manufacture of optically pure D- or L-.alpha.-hydroxycarboxylic acids.
    Type: Grant
    Filed: July 19, 1978
    Date of Patent: May 20, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Yasuji Suhara, Hiromi Maruyama, Toyoaki Sawada, Mayumi Ogawa, Kazuteru Yokose, Morio Fujiu, Kimihiro Watanabe
  • Resolution of a racemate
    Patent number: 4202943
    Abstract: A process for the resolution of a racemate, namely of DL-N-benzyloxycarbonyl-2-(p-hydroxyphenyl)-glycine.
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: May 13, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Yasuji Suhara, Hiromi Maruyama, Sayuri Itoh, Kazuteru Yokose