Patents by Inventor Naokazu Murahashi

Naokazu Murahashi 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).

  • Percutaneously applicable preparation and suppository containing an antidementia medicament
    Patent number: 6815454
    Abstract: The present invention provides a percutaneously applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a higher alcohol, a lactate of a higher alcohol, an ester of a higher fatty acid and a lower alcohol, or an ester of a fatty acid having 6-18 carbon atoms and propyleneglycol. The present invention also provides a rectum applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a tiriglyceride of a fatty acid and/or a water-soluble macromolecule.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: November 9, 2004
    Assignee: Eisai Co., Ltd.
    Inventors: Naokazu Murahashi, Akira Kato, Yukiko Sugaya, Hidenobu Ando
  • Percutaneously applicable preparation and suppository containing an antidementia medicament
    Patent number: 6521639
    Abstract: The present invention provides a percutaneously applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a higher alcohol, a lactate of a higher alcohol, an ester of a higher fatty acid and a lower alcohol, or an ester of a fatty acid having 6-18 carbon atoms and propyleneglycol. The present invention also provides a rectum applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a tiriglyceride of a fatty acid and/or a water-soluble macromolecule.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: February 18, 2003
    Assignee: Eisai Co., Ltd.
    Inventors: Naokazu Murahashi, Akira Kato, Yukiko Sugaya, Hidenobu Ando
  • Percutaneously applicable preparation and suppository containing an antidementia medicament
    Publication number: 20030027841
    Abstract: The present invention provides a percutaneously applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a higher alcohol, a lactate of a higher alcohol, an ester of a higher fatty acid and a lower alcohol, or an ester of a fatty acid having 6-18 carbon atoms and propyleneglycol. The present invention also provides a rectum applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a tiriglyceride of a fatty acid and/or a water-soluble macromolecule.
    Type: Application
    Filed: August 9, 2002
    Publication date: February 6, 2003
    Applicant: EISAI CO., LTD.
    Inventors: Naokazu Murahashi, Akira Kato, Yukiko Sugaya, Hidenobu Ando
  • Stabilized composition comprising antidementia medicament
    Patent number: 6372760
    Abstract: The present invention provides a stable composition of an antidementia medicament. Specifically, it is a stabilized composition of an antidementia medicament comprising an antidementia medicament and an organic acid. As the organic acid, tosyllic acid, mesyllic acid, benzoic acid, salicylic acid, tartaric acid, citric acid and the like are particularly preferable.
    Type: Grant
    Filed: January 4, 2001
    Date of Patent: April 16, 2002
    Assignee: Eisai Co., Ltd.
    Inventors: Akira Kato, Tsutomu Harada, Naokazu Murahashi, Yukiko Sugaya, Hidenobu Ando
  • Suppository containing an antidementia medicament
    Patent number: 6193993
    Abstract: The present invention provides a rectum applicable preparation containing an antidementia medicament, wherein the antidementia medicament is incorporated a triglyceride of a fatty acid and/or a water-soluble macromolecule.
    Type: Grant
    Filed: March 2, 1999
    Date of Patent: February 27, 2001
    Assignee: Eisai Co., Ltd.
    Inventors: Naokazu Murahashi, Akira Kato, Yukiko Sugaya, Hidenobu Ando