Patents by Inventor Sakae Noda

Sakae Noda 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).

  • Optical information medium, and method and apparatus for fabricating the same
    Patent number: 6263939
    Abstract: The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates, wherein the optical information medium further includes a stopper for preventing the radiation curable resin from protruding into the center holes of the substrates, and a space between the first and second substrates of at least a half of a clamp region for clamping the optical information medium is filled with the resin.
    Type: Grant
    Filed: August 4, 1999
    Date of Patent: July 24, 2001
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hisaki Miyamoto, Michiyoshi Nagashima, Kiyoshi Inoue, Sakae Noda
  • Apparatus for fabricating an optical information medium
    Patent number: 5972250
    Abstract: The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates, wherein the optical information medium further includes a stopper for preventing the radiation curable resin from protruding into the center holes of the substrates, and a space between the first and second substrates of at least a half of a clamp region for clamping the optical information medium is filled with the resin.
    Type: Grant
    Filed: May 22, 1997
    Date of Patent: October 26, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hisaki Miyamoto, Michiyoshi Nagashima, Kiyoshi Inoue, Sakae Noda
  • Optical information medium, and method and apparatus for fabricating the same
    Patent number: 5681634
    Abstract: The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates, wherein the optical information medium further includes a stopper for preventing the radiation curable resin from protruding into the center holes of the substrates, and a space between the first and second substrates of at least a half of a clamp region for clamping the optical information medium is filled with the resin.
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: October 28, 1997
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hisaki Miyamoto, Michiyoshi Nagashima, Kiyoshi Inoue, Sakae Noda
  • Optical information medium, and method and apparatus for fabricating the same
    Patent number: RE39412
    Abstract: The disk-shaped optical information medium of this invention includes: a first substrate having a center hole; a second substrate having a center hole; and a radiation curable resin interposed between the first and second substrates for bonding together the first and second substrates, wherein the optical information medium further includes a stopper for preventing the radiation curable resin from protruding into the center holes of the substrates, and a space between the first and second substrates of at least half of a clamp region for clamping the optical information medium is filled with the resin.
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: November 28, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hisaki Miyamoto, Michiyoshi Nagashima, Kiyoshi Inoue, Sakae Noda