Patents by Inventor Osamu KAMITA

Osamu KAMITA 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).

  • Hydrocarbon fuel oil for use in fuel cell system
    Patent number: 8419928
    Abstract: Hydrocarbon fuel oil with paraffins as the main constituent for use in fuel cell systems is provided having (1) paraffins of less than 13 carbons constitute not less than 60% by mass; (2) isoparaffins of 15 or more carbons constitute from 0.01 to 9% by mass; and (3) normal paraffins of 13 or more carbons constitute not more than 2% by mass. Also, in addition to the aforementioned compositions (1) to (3), it is preferable if isoparaffins of 17 or more carbons constitute not more than 3% by mass.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: April 16, 2013
    Assignee: Shell Oil Company
    Inventors: Osamu Kamita, Akihiko Matsuoka
  • HYDROCARBON FUEL OIL FOR USE IN FUEL CELL SYSTEM
    Publication number: 20100076232
    Abstract: Hydrocarbon fuel oil with paraffins as the main constituent for use in fuel cell systems is provided having (1) paraffins of less than 13 carbons constitute not less than 60% by mass; (2) isoparaffins of 15 or more carbons constitute from 0.01 to 9% by mass; and (3) normal paraffins of 13 or more carbons constitute not more than 2% by mass. Also, in addition to the aforementioned compositions (1) to (3), it is preferable if isoparaffins of 17 or more carbons constitute not more than 3% by mass.
    Type: Application
    Filed: September 25, 2009
    Publication date: March 25, 2010
    Inventors: Osamu KAMITA, Akihiko Matsuoka