Patents by Inventor Sadaji Narituka

Sadaji Narituka 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).

  • Sodium hydrogencarbonate crystal particles
    Patent number: 7361318
    Abstract: A method for producing sodium hydrogencarbonate crystal particles having a low caking property, which comprises lowering the potassium concentration in sodium hydrogencarbonate crystal particles having a mean particle diameter of from 50 to 500 ?m to a level of at most 50 mass ppm.
    Type: Grant
    Filed: March 27, 2003
    Date of Patent: April 22, 2008
    Assignee: Asahi Glass Company, Limited
    Inventors: Kouichi Yokoyama, Sadaji Narituka, Kiyoshi Yamamoto, Hachiro Hirano
  • Method for producing sodium hyrogencarbonate crystal particles having a low caking property, and sodium hydrogencarbonate crystal particles
    Publication number: 20030211027
    Abstract: A method for producing sodium hydrogencarbonate crystal particles having a low caking property, which comprises lowering the potassium concentration in sodium hydrogencarbonate crystal particles having a mean particle diameter of from 50 to 500 &mgr;m to a level of at most 50 mass ppm.
    Type: Application
    Filed: March 27, 2003
    Publication date: November 13, 2003
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Kouichi Yokoyama, Sadaji Narituka, Kiyoshi Yamamoto, Hachiro Hirano