Patents by Inventor Tomohiro Nakado

Tomohiro Nakado 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: 6060527
    Abstract: A process for recovering the resin contained in optical information recording media having either a thin metal film layer or a printed coating film layer, coated on at least one side of a resin substrate,which comprises the following steps of:(1) rolling the recording media,(2) bringing the rolled recording media into contact with hot water,(3) separating the coating film peeled from the recording media,(4) grinding the resulting recording media,(5) bringing the obtained small pieces of the recording media into contact with hot water to detach the thin metal film component, and(6) separating the detached thin metal film component from the small pieces of the recording media to recover and obtain the small pieces of the recording media.With this process, the coating layer can be removed effectively from the optical information recording media and the resin component in the recording media can be selectively recovered advantageously in industry.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: May 9, 2000
    Assignee: Teijin Chemicals Ltd
    Inventors: Hiromasa Shinomiya, Hideki Nakahiro, Tomohiro Nakado