Patents by Inventor Alexander Takuma Kubota

Alexander Takuma Kubota 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).

  • Patent number: 6816182
    Abstract: An optical system for joining a first article having a composition and a second article having a composition at an interfacial surface between the first article and the second article, the optical system comprising: a radiation source for providing a radiant energy beam for joining the first article and the second article at the interfacial surface; and a first optical device for controlling a depth of focus of the radiant energy beam, the depth of focus corresponding to a depth of a joint between the first article and the second article at the interfacial surface, said first optical device controlling the depth of focus as a function of the composition of the first article and the composition of the second article.
    Type: Grant
    Filed: October 7, 2002
    Date of Patent: November 9, 2004
    Inventors: Masanori Kubota, Ayako Kubota, Munetaka Kubota, Alexander Takuma Kubota
  • Publication number: 20030090562
    Abstract: An optical system for joining a first article having a composition and a second article having a composition at an interfacial surface between the first article and the second article, the optical system comprising: a radiation source for providing a radiant energy beam for joining the first article and the second article at the interfacial surface; and a first optical device for controlling a depth of focus of the radiant energy beam, the depth of focus corresponding to a depth of a joint between the first article and the second article at the interfacial surface, said first optical device controlling the depth of focus as a function of the composition of the first article and the composition of the second article.
    Type: Application
    Filed: October 7, 2002
    Publication date: May 15, 2003
    Inventors: Masanori Kubota, Ayako Kubota, Munetaka Kubota, Alexander Takuma Kubota