Patents by Inventor Kuntal Kumar

Kuntal Kumar 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).

  • Photovoltaic device
    Patent number: 8785232
    Abstract: A method to improve CdTe-based photovoltaic device efficiency is disclosed. The CdTe-based photovoltaic device can include oxygen or silicon in semiconductor layers.
    Type: Grant
    Filed: July 18, 2013
    Date of Patent: July 22, 2014
    Assignee: First Solar, Inc.
    Inventors: Gang Xiong, Rick C. Powell, Aaron Roggelin, Kuntal Kumar, Arnold Allenic, Kenneth M. Ring, Charles E. Wickersham
  • PHOTOVOLTAIC DEVICE
    Publication number: 20130298992
    Abstract: A method to improve CdTe-based photovoltaic device efficiency is disclosed. The CdTe-based photovoltaic device can include oxygen or silicon in semiconductor layers.
    Type: Application
    Filed: July 18, 2013
    Publication date: November 14, 2013
    Applicant: First Solar, Inc.
    Inventors: Gang Xiong, Rick C. Powell, Aaron Roggelin, Kuntal Kumar, Arnold Allenic, Kenneth M. Ring, Charles E. Wickersham
  • Photovoltaic device
    Patent number: 8497151
    Abstract: A method to improve CdTe-based photovoltaic device efficiency is disclosed. The CdTe-based photovoltaic device can include oxygen or silicon in semiconductor layers.
    Type: Grant
    Filed: February 22, 2010
    Date of Patent: July 30, 2013
    Assignee: First Solar, Inc.
    Inventors: Gang Xiong, Ricky C. Powell, Aaron Roggelin, Kuntal Kumar, Arnold Allenic, Kenneth M. Ring, Charles Wickersham
  • Photovoltaic Device
    Publication number: 20100288359
    Abstract: A method to improve CdTe-based photovoltaic device efficiency is disclosed. The CdTe-based photovoltaic device can include oxygen or silicon in semiconductor layers.
    Type: Application
    Filed: February 22, 2010
    Publication date: November 18, 2010
    Inventors: Gang Xiong, Ricky C. Powell, Aaron Roggelin, Kuntal Kumar, Arnold Allenic, Kenneth M. Ring, Charles Wickersham