Patents by Inventor Ryota Yoshimoto

Ryota Yoshimoto 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).

  • Patent number: 5231105
    Abstract: An ethylamine derivative of formula (I): ##STR1## wherein A represents a carbon atom or a nitrogen atom;B represents a substituted or unsubstituted aralkyl or aryl group;C represents hydrogen, alkyl, aralkyl, or aryl, each of which may optionally be substituted orC may optionally be bonded to A to form an alkylene bridge which is optionally substituted,Q represents a substituted or unsubstituted aryl group, said group optionally being substituted by hetero atom(s) or substituent(s) optionally containing hetero atom(s); andX represents an alkylene bridge having from 2 to 20 carbon atoms and is optionally substituted with groups which include hetero atoms with the non-hetero atom substituents optionally containing hetero atoms.
    Type: Grant
    Filed: May 22, 1989
    Date of Patent: July 27, 1993
    Assignee: Ajinomoto Co., Inc.
    Inventors: Masataka Shoji, Kozo Toyota, Chikahiko Eguchi, Ryota Yoshimoto, Yosikatsu Koyama, Hideki Domoto, Akira Kamimura
  • Patent number: 5229400
    Abstract: A piperidine derivative of general formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein ##STR2## is any of several specified aromatic-containing groups; X is selected from one of several hetero atom-containing groups or C.sub.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: July 20, 1993
    Assignee: Ajinomoto Co., Inc.
    Inventors: Akira Hirasawa, Masataka Shoji, Ryota Yoshimoto, Yuichi Gyotoku, Chikahiko Eguchi
  • Patent number: 4789658
    Abstract: An immunopropylactic and immunotherapeutic agent comprising human interleukin 2 of human cellular origin is disclosed along with a method of producing the agent.
    Type: Grant
    Filed: June 9, 1986
    Date of Patent: December 6, 1988
    Assignee: Ajinomoto Company, Incorporated
    Inventors: Ryota Yoshimoto, Nobukazu Kashima, Junji Hamuro, Koji Mitsugi
  • Patent number: 4772572
    Abstract: Certain hybridomas preparing monoclonal antibodies to human interleukin-2 (IL-2) which do not cross react with rator mouse IL-2 are disclosed. The secreted monoclonal antibody can be used in immunoassays for human IL-2.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: September 20, 1988
    Assignee: Ajinomoto Co., Inc.
    Inventors: Ryota Yoshimoto, Yoshiaki Hanzawa, Junji Hamuro