Patents by Inventor Masanori Morii

Masanori Morii 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).

  • Cathode ray tube
    Patent number: 6774554
    Abstract: A cathode ray tube includes a bulb including a front panel and a funnel, and an electron gun. The front panel includes a color selection mechanism and phosphors on an inner surface thereof. The funnel includes a conductive layer on an inner wall thereof. The electron gun is accommodated in a neck portion of the funnel. The conductive layer is divided into at least two regions, each of which has a different electric potential. A high electric potential conductive layer having a high electric potential, an insulating region, a resistive layer, and a low electric potential conductive layer having an electric potential lower than that of the high electric potential conductive layer are formed in this order from the panel side to the electron gun side. With this configuration, the two conductive layers do not interfere with each other because of discharge or the like and are independent, and stable voltage can be maintained. Thus, an electrostatic lens can be formed.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: August 10, 2004
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Toshikuni Kojima, Masanori Morii, Hiromi Wakasono
  • Cathode ray tube and method for manufacturing the same
    Patent number: 6213836
    Abstract: The present invention relates to a cathode ray tube having an inner magnetic shield and to a method for fixing the inner magnetic shield. The inner magnetic shield is fixed to a frame supporting a shadow mask simply with fixing members. First engagement holes are provided on each side of a first flange portion of the frame, and second engagement holes are provided on each side of a second flange portion of the inner magnetic shield. Each side of the second engagement hole is provided with a folding portion. The fixing member is inserted so as to put into the first engagement hole and the second engagement hole facing the first engagement hole from the side of the inner magnetic shield.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: April 10, 2001
    Assignees: Matsushita Electronics Corporation, Muramoto Industry Co., Ltd.
    Inventors: Keiji Nagata, Masanori Morii, Toshio Ishii, Tadashi Muramoto
  • Cathode ray tube and method of manufacturing the same
    Patent number: 5986393
    Abstract: The present invention relates to a cathode ray tube having an inner magnetic shield and to a method for fixing the inner magnetic shield. The inner magnetic shield is fixed to a frame supporting a shadow mask simply with fixing members. First engagement holes are provided on each side of a first flange portion of the frame, and second engagement holes are provided on each side of a second flange portion of the inner magnetic shield. Each side of the second engagement hole is provided with a folding portion. The fixing member is inserted so as to put into the first engagement hole and the second engagement hole facing the first engagement hole from the side of the inner magnetic shield.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: November 16, 1999
    Assignees: Matsushita Electronics Corporation, Muramoto Industry Co., Ltd.
    Inventors: Keiji Nagata, Masanori Morii, Toshio Ishii, Tadashi Muramoto