Patents by Inventor Masao Washio

Masao Washio 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).

  • Micro-Molding Equipment and Micro-Molding Method
    Publication number: 20080067704
    Abstract: The micro-molding equipment contains a preform molding equipment 10 taking a single-cavity of a preform material 3 corresponding to a small precision optical component to be molded with a runnerless mold, and a precision compression molding equipment 40 for after molding the preform material 3 by primary compression molding in a vacuum state, cooling the preform material to a temperature near a glass transition point, and then re-softening a surface layer of the preform material and molding the same by secondary compression molding to transfer the small precision optical component thereto.
    Type: Application
    Filed: October 18, 2005
    Publication date: March 20, 2008
    Applicants: RIKEN, THE NEXSYS CORPORATION, SAN SEIMITSU KAKO LAB., LTD., IKEGAMI MOLD ENGINEERING CO., LTD., ASTOM R&D
    Inventors: Hitoshi Ohmori, Yoshihiro Uehara, Weimin Lin, Hatsuichi Takeyasu, Masao Washio, Keizo Ikegami, Takeya Shoji, Tomoaki Ando, Yukihiro Shirataki