Patents by Inventor Seizo Takahashi

Seizo Takahashi 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).

  • Sample tube for nuclear magnetic resonance apparatus
    Patent number: 5831434
    Abstract: A sample tube for the use in a nuclear magnetic apparatus comprising a sample tube, said sample tube being formed of a glass substance, wherein the magnetic susceptibility of said glass substance has been adjusted by incorporating therein a sufficient amount of one or more paramagnetic and/or diamagnetic substances so as to impart to said sample tube a magnetic susceptibility proximate to that of a liquid sample to be tested.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: November 3, 1998
    Assignee: Shigemi Co. Ltd.
    Inventors: Masahiro Shigezane, Seizo Takahashi