Patents by Inventor Rakesh Ashok Afre

Rakesh Ashok Afre 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).

  • Method for producing vapor grown carbon nanotube
    Patent number: 8043596
    Abstract: The invention provides a method for producing carbon nanotubes, comprising spraying an oil onto a catalyst metal supported by at least one support selected from the group consisting of silica gel, alumina, magnesia, silica-alumina and zeolite which is placed in an atmosphere that has been controlled to a specific temperature, and an apparatus therefor. According to the invention, a large amount of carbon nanotubes can be synthesized from inexpensive raw materials by using a simple apparatus.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: October 25, 2011
    Assignee: Showa Denko K.K.
    Inventors: Tetsuo Soga, Maheshwar Sharon, Rakesh Ashok Afre