Patents by Inventor Junichi Naito

Junichi Naito 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).

  • Stirring device for automatically measuring dissolved oxygen
    Patent number: 4665736
    Abstract: A rotor having N and S poles is rotatively supported through bearings from the lower end of an electrode to be immersed in a water sample in which dissolved oxygen is measured. A rotor driving means is disposed adjacent to the rotor, the means generally comprising a magnet which is so constructed that the N and S poles thereof alternately approach the rotor. The rotor follows the rotation of the rotor driving means to rotate in and stir the water sample.
    Type: Grant
    Filed: May 20, 1986
    Date of Patent: May 19, 1987
    Assignee: Oriental Yeast Co., Ltd
    Inventors: Tadashi Yokoyama, Toshio Kaizuka, Junichi Naito, Kenichi Numazawa, Minoru Ohashi, Tomoo Kikuchi