Patents by Inventor Naotake Kawamura

Naotake Kawamura 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: 20040142221
    Abstract: The system comprises a solid high polymer fuel cell to which hydrogen gas generated by a hydrogen generator 11 by electrolyzing the demineralized water is provided. A cell stack 30 includes a flowmeter 14, a hot air nozzle 15, a spray nozzle 16, a water sensor 17, temperature sensors 18, gas concentration sensors 19, a water tank 21, a pump 20, a hydrogen supply pipe 23, an oxygen supply pipe 24, a pair of take-off electrodes 25, and an amplifier 26 so that the operation of load 27 can be optimized by a power controller 10 based on signals from each sensor.
    Type: Application
    Filed: January 22, 2003
    Publication date: July 22, 2004
    Inventors: Naotake Kawamura, Yukinobu Mori
  • Patent number: 6706431
    Abstract: A fuel cell having an electrode and/or catalyst formed from a nano-carbon material, such as fullerene, carbon nanotube, carbon nanohorn, carbon nano-fiber or metal encapsulated fullerene. Such fuel cells may not use platinum in the electrode or catalyst, or may use platinum in small amounts. The efficiency of the fuel cell may be increased by applying external energy to the electrode and/or catalyst. A cationic membrane may be positioned between the cathode and anode of the fuel cell. Also disclosed is an improved method for generating electricity from a fuel cell having at least one electrode formed from a nano-carbon material. To increase the efficiency of the fuel cell, the electrode or catalyst containing nano-carbon material may be irradiated with blue color diode light, or an electric current may be directed to the nano-carbon material.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: March 16, 2004
    Assignee: Fullerene USA, Inc.
    Inventors: Naotake Kawamura, Kazuhide Ota, Ken K. Inouye
  • Publication number: 20020061433
    Abstract: A fuel cell having an electrode and/or catalyst formed from a nano-carbon material, such as fullerene, carbon nanotube, carbon nanohorn, carbon nano-fiber or metal encapsulated fullerene. Such fuel cells may not use platinum in the electrode or catalyst, or may use platinum in small amounts. The efficiency of the fuel cell may be increased by applying external energy to the electrode and/or catalyst. A cationic membrane may be positioned between the cathode and anode of the fuel cell. Also disclosed is an improved method for generating electricity from a fuel cell having at least one electrode formed from a nano-carbon material. To increase the efficiency of the fuel cell, the electrode or catalyst containing nano-carbon material may be irradiated with blue color diode light, or an electric current may be directed to the nano-carbon material.
    Type: Application
    Filed: May 25, 2001
    Publication date: May 23, 2002
    Inventors: Naotake Kawamura, Kazuhide Ota, Ken K. Inouye