Patents by Inventor Naoyuki Sanada

Naoyuki Sanada 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).

  • PERMANENT MAGNET, MOTOR, AND GENERATOR
    Publication number: 20150270040
    Abstract: A high performance permanent magnet is provided. The permanent magnet includes a composition represented by a composition formula: RpFeqMrCutCo100-p-q-t, and a metallic structure including cell phases having a Th2Zn17 crystal phase and Cu-rich phases having higher Cu concentration than the cell phases. An average diameter of the cell phases is 220 nm or less, and in a numeric value range from a minimum diameter to a maximum diameter of the cell phases, a ratio of a number of cell phases having a diameter in a numeric value range of less than upper 20% from the maximum diameter is 20% or less of all the cell phases.
    Type: Application
    Filed: March 18, 2015
    Publication date: September 24, 2015
    Inventors: Yosuke Horiuchi, Shinya Sakurada, Keiko Okamoto, Masaya Hagiwara, Tsuyoshi Kobayashi, Masaki Endo, Tadahiko Kobayashi, Naoyuki Sanada
  • DUAL-STRUCTURE STORAGE BOX OF RAILCAR AND RAILCAR INCLUDING SAME
    Publication number: 20150059613
    Abstract: A dual-structure storage box is used in a railcar and stores device units. The dual-structure storage box includes a device receiver case and a storage case. The device receiver case is fixed to a floor of the railcar, and the device units are attached to the device receiver case. The storage case is configured separately from the device receiver case, covers the device receiver case from an outer side of the device receiver case, and stores the device units.
    Type: Application
    Filed: March 26, 2013
    Publication date: March 5, 2015
    Inventors: Mitsuhiro Matsumoto, Naoyuki Sanada