Patents by Inventor Hiroaki Munakata

Hiroaki Munakata 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).

  • Immunomodulating agent
    Patent number: 4720506
    Abstract: Phenylacetic acid derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen or ##STR2## wherein R.sup.5 is an alkyl group of 1-6 carbon atoms or an aryl group; R.sup.2 and R.sup.3 are independently hydrogen or an alkyl group of 1-4 carbon atoms; R.sup.4 is hydrogen or an alkyl group of 1-4 carbon atoms, have been found to possess immunomodulating activity.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: January 19, 1988
    Assignees: Nippon Shinyaku Company, Limited, Mitsubishi Chemical Industries Limited
    Inventors: Hiroaki Munakata, Makio Kobayashi, Kazuo Wagatsuma, Shigeru Sato, Makoto Tsurufuji, Hiroshi Enomoto, Makoto Sugiyama, Yoshihisa Shibata, Iwao Morita
  • Hypoglycemic agents
    Patent number: 4518591
    Abstract: There are disclosed an acylated derivative of water extract of Anemarrhenae rhizoma which is so-called "Chimo", and a hypoglycemic agent containing the above acylated derivative of water extract of Chimo as an active ingredient.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: May 21, 1985
    Assignee: Mitsubishi Chemical Industries Limited
    Inventors: Seiu Iida, Tomio Inokuchi, Hiroaki Munakata
  • Glutamine derivatives
    Patent number: 4439448
    Abstract: Glutamine derivatives and non-toxic salts thereof have been found to have immunomodulating activities.
    Type: Grant
    Filed: November 10, 1981
    Date of Patent: March 27, 1984
    Assignees: Mitsubishi Chemical Industries Ltd., Nippon Shinyaku Co., Ltd.
    Inventors: Hiroaki Munakata, Makio Kobayashi, Kazuo Wagatsuma, Shigeru Sato, Makoto Tsurufuji, Hiroshi Enomoto, Shingo Matsumura, deceased