Patents by Inventor Zenzo Tamura

Zenzo Tamura 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).

  • Disinfectant composition
    Patent number: 5256701
    Abstract: A disinfectant composition comprising an aqueous solution or an alcoholic aqueous solution in a concentration of 83 v/v % or less which contains hydroxypropyl cellulose in a concentration of from 0.5 to 10 w/v %, iodine in a concentration of from 0.01 to 1.0 w/v %, and an iodide in a concentration of not more than 0.5 w/v %. The composition has reduced skin irritation while exhibiting sufficient bactericidal and viricidal activity.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: October 26, 1993
    Assignees: Zenzo Tamura, Meiji Seika Kaisha Ltd.
    Inventors: Zenzo Tamura, Kuniko Shoji, Chieko Azegami, Takao Kunisada, Kaoru Hosoi, Kiwa Suzuki, Shikifumi Kitazawa
  • Method of detecting fluorescent materials and apparatus for their detection
    Patent number: 4419452
    Abstract: A method for detecting fluorescent materials in liquid chromatography. Fluorescent materials are excited by chemical reaction with chemical reagents to yield light (chemiluminescence) and detected at high sensitivity. The detection apparatus is composed of a mixer for mixing a solution containing separated fluorescent materials and solutions of chemical reagents to afford chemiluminescence, a flow cell and a light receptive detection means for detecting the light thus produced.
    Type: Grant
    Filed: August 12, 1981
    Date of Patent: December 6, 1983
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Kazuhiro Imai, Zenzo Tamura, Shin-ichiro Kobayashi
  • 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
  • Method for determining carboxylic acid and system for carrying out the method
    Patent number: 3980433
    Abstract: A method for determining the amount of carboxylic acid in which a carboxylic acid in a sample sample is reacted with a hydroxylammonium salt under the presence of carbodiimide to provide hydroxamic acid and the thus formed hydroxamic acid is reacted with a ferric compound to provide ferric hydroxamate, and a system for carrying out the method are disclosed.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: September 14, 1976
    Inventors: Zenzo Tamura, Takenori Tanimura, Yasuhiko Kasai