Patents by Inventor Ryuichi Arafune

Ryuichi Arafune 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: 6746144
    Abstract: An object is to provide a light collecting device for scanning tunneling microscope emission spectroscopy which has a higher light collective efficiency in vacuum without sacrifice in a high spatial resolution provided by the STM. The light collecting device for scanning tunneling microscope emission spectroscopy comprises a scanning tunneling microscope, and a plurality of optical fibers (2) radially disposed around a scanning tunneling microscope probe (1) with the tip end of the probe (1) as the center so as to collect light emission in operating this microscope.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: June 8, 2004
    Assignee: Japan Science and Technology Corporation
    Inventors: Ryuichi Arafune, Sukekatsu Ushioda, Kenji Sakamoto