Patents by Inventor Nobutaka Futigami

Nobutaka Futigami 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).

  • Semiconductor device using whiskers
    Patent number: 5362972
    Abstract: A field effect transistor and a ballistic transistor using semiconductor whiskers each having a desired diameter and formed at s desired location, a semiconductor vacuum microelectronic device using the same as electron emitting materials, a light emitting device using the same as quantum wires and the like are disclosed.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: November 8, 1994
    Assignees: Hitachi, Ltd., Hitachi VLSI Engineering Corporation
    Inventors: Masamitsu Yazawa, Kenji Hiruma, Toshio Katsuyama, Nobutaka Futigami, Hidetoshi Matsumoto, Hiroshi Kakibayashi, Masanari Koguchi, Gerard P. Morgan, Kensuke Ogawa