Patents by Inventor Ayumi Arai

Ayumi Arai 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: 7070948
    Abstract: Based on a principle that is different to that of a conventional enzymatic method, the present invention provides a novel method for assaying a glycated protein by a simple procedure, within a short period of time, and with high accuracy, and a reagent kit for assaying used in the method. The method for assaying a glycated protein in a sample is realized by treating a glycated protein-containing sample with protease to liberate a glycated peptide, preferably an ?-glycated peptide, particularly preferably an ?-glycated dipeptide, from a glycated protein, allowing an oxidase to react with the liberated glycated peptide, and determining the produced hydrogen peroxide.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: July 4, 2006
    Assignee: Kikkoman Corporation
    Inventors: Ryoichi Sakaue, Ayumi Arai, Naoki Kajiyama, Yasuji Koyama
  • Patent number: 6521304
    Abstract: The present invention relates to luminescent playthings such as candles, table lights, pen lights, illumination, illuminating playthings for camp, illuminating playthings for night fishing, fish-gathering lamps, safety candles, neon lights, luminescent inks, luminescent pens, luminescent coatings or luminescent writing implements, in which a soft light of an indescribable tone of color not obtainable from flames of conventional candles is emitted via seawater, lake and marsh water, river water, ground water, tap water or mineral drinking water by utilizing 3 components of luciferin, luciferase and ATP or 4 components of these components plus a metal salt, out of components necessary for bioluminescence in fireflies.
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: February 18, 2003
    Assignee: Kikkoman Corporation
    Inventors: Naoki Kajiyama, Ayumi Arai, Eiichi Nakano, Hiroki Tatsumi, Teruo Watarai, Naoki Eisaki, Tatsuya Sakakibara, Masaru Suzuki