Patents by Inventor Akira Miwa

Akira Miwa 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).

  • Medicated syringe preparation
    Patent number: 5653693
    Abstract: This invention relates to a preparation comprising a transparent syringe body or container, which has been obtained by molding a resin comprising, as a base material, a propylene polymer, and as a nucleating agent, a phosphoric ester represented by the following general formula (1): ##STR1## and a drug solution charged into the syringe body or container. The preparation is excellent in transparency, free from the dissolution of additives for the resin into the drug solution charged therein even when the drug solution remains charged for a long period of time and hence high in safety. The preparation is useful, in particular, as a syringe preparation charged with a drug solution therein.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: August 5, 1997
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Akira Miwa, Masahiko Kikuchi, Masaru Abe, Sachio Yokote
  • Antigens and antibodies of catecholamines
    Patent number: 4122078
    Abstract: An antigen consisting essentially of a catecholamine and a protein of polypeptide, wherein the protein or polypeptide is bonded to the phenyl nucleus of the catecholamine.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: October 24, 1978
    Assignee: Daiichi Seiyaku Co., Ltd.
    Inventors: Masanori Yoshioka, Akira Miwa, Zenzo Tamura