Patents by Inventor Kiyoko Takamura

Kiyoko Takamura 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).

  • Apparatus and method for measuring acidity
    Patent number: 6146514
    Abstract: An acidity measuring apparatus includes a measuring container for accommodating an electrolyte solution including one of a 1,2-benzoquinone derivative and a 1,4-benzoquinone derivative, an organic solvent, an electrolyte and an acid-containing subject for measurement; a working electrode, a counter electrode and a reference electrode section provided in the measuring container and immersed in the electrolyte solution; and a control section for sweeping a potential of the working electrode within a prescribed range and for detecting a value of a pre-peak current generated by the acid and flowing between the working electrode and the counter electrode.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: November 14, 2000
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kiyoko Takamura, Fumiyo Kusu, Takeshi Nishida, Hideaki Hashimoto, Hidefumi Yabu, Kazuyoshi Mori, Yuji Hiraishi, Yasuyuki Hanada, Tetsuji Soeda, Tsuyoshi Kusakabe, Tetsuya Nishio