Patents by Inventor Kazutomo Suenaga

Kazutomo Suenaga 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).

  • Publication number: 20100272977
    Abstract: The present invention provides a charge exchange member having a new function, which solves problems of fragility of a diamond thin film and a low electron density of a CNTS that are challenges of a charge exchange foil. The present invention relates to a charge exchange device comprising a diamond thin film and a non-woven carbon nanotube sheet, in which the diamond thin film is deposited on the non-woven carbon nanotube sheet.
    Type: Application
    Filed: April 22, 2010
    Publication date: October 28, 2010
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Masataka HASEGAWA, Takeshi SAITO, Kazutomo SUENAGA, Sumio IIJIMA
  • Patent number: 7384520
    Abstract: The invention of present application relates to a method for enabling a hybrid carbon nanotube having an arbitrary composition ratio to be readily manufactured, and the hybrid carbon nanotube. A method for manufacturing a hybrid carbon nanotube, which comprises immersing a carbon nanotube having open pores in a solution having a dopant substance dissolved therein to effect a doping reaction, thereby preparing a hybrid carbon nanotube comprising a carbon nanotube and a dopant substance introduced therein.
    Type: Grant
    Filed: February 27, 2002
    Date of Patent: June 10, 2008
    Assignees: Japan Science and Technology Corporation, NEC Corporation
    Inventors: Sumio Iijima, Shunji Bandow, Kazutomo Suenaga, Kaori Hirahara
  • Publication number: 20040065559
    Abstract: The invention of present application relates to a method for enabling a hybrid carbon nanotube having an arbitrary composition ratio to be readily manufactured, and the hybrid carbon nanotube. A method for manufacturing a hybrid carbon nanotube, which comprises immersing a carbon nanotube having open pores in a solution having a dopant substance dissolved therein to effect a doping reaction, thereby preparing a hybrid carbon nanotube comprising a carbon nanotube and a dopant substance introduced therein.
    Type: Application
    Filed: November 19, 2003
    Publication date: April 8, 2004
    Inventors: Sumio Iijima, Shunji Bandow, Kazutomo Suenaga, Kaori Hirahara