Patents by Inventor Masanori Saigo

Masanori Saigo 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).

  • Metal tube and apparatus and method for manufacturing the same
    Patent number: 4321816
    Abstract: A thin-walled metal tube includes a tubular nipple section, a shoulder section joined to the nipple section, a tubular barrel section and a border section connecting the shoulder and barrel sections, the barrel section being defined by a wall having a thickness in the range of between about 20 microns and about 70 microns. The border section includes a region which changes in thickness, the wall thickness of the border section being greater than the thickness of the wall defining the barrel section and the thickness changing region having a cross-section having either an arcuate or a tapered region.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: March 30, 1982
    Assignees: Kyodo Insatsu Kabushiki Kaisha, Lion Kabushiki Kaisha
    Inventors: Yoshihiko Nakahara, Norihiro Tsujii, Kenichi Nakanishi, Yuji Sakai, Masanori Saigo