Patents by Inventor Yoshito Nishijima

Yoshito Nishijima 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).

  • Laser apparatus
    Patent number: 4477730
    Abstract: A visible light emitting element is mounted adjacent a lead-chalcogenide infrared diode laser element on the same supporting member or heat sink adjacent. The optical axis of the laser apparatus is adjusted using a visible light beam emitted by the visible light emitting element. The light source is then changed from the visible light emitting element to the infrared diode laser element by shifting the laser mount.
    Type: Grant
    Filed: April 6, 1982
    Date of Patent: October 16, 1984
    Assignee: Fujitsu Limited
    Inventors: Hirokazu Fukuda, Koji Shinohara, Yoshio Kawabata, Yoshito Nishijima, Kosaku Yamamoto