Patents by Inventor Deuk-woo Jang

Deuk-woo Jang 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).

  • Electrophotographic toner and method of preparing the same
    Patent number: 8399169
    Abstract: An electrophotographic toner which includes a latex, a colorant, and a releasing agent, wherein characteristics of the electrophotographic toner measured by using a Fourier transform infrared spectroscopy in an attenuated total reflection mode (FT-IR-ATR), in which an incidence angle is changeable, satisfy Inequalities 1 through 3 presented herein.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: March 19, 2013
    Assignee: SAMSUNG Electronics Co., Ltd.
    Inventors: Hae-ree Joo, Deuk-woo Jang, Woo-sung Jeon, Kyeong Pang
  • ELECTROPHOTOGRAPHIC TONER AND METHOD OF PREPARING THE SAME
    Publication number: 20100173242
    Abstract: An electrophotographic toner which includes a latex, a colorant, and a releasing agent, wherein characteristics of the electrophotographic toner measured by using a Fourier transform infrared spectroscopy in an attenuated total reflection mode (FT-IR-ATR), in which an incidence angle is changeable, satisfy Inequalities 1 through 3 presented herein.
    Type: Application
    Filed: January 7, 2010
    Publication date: July 8, 2010
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Hae-ree Joo, Deuk-woo Jang, Woo-sung Jeon, Kyeong Pang