Patents by Inventor Cheung Nga Tik

Cheung Nga Tik 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).

  • Semiconductor device and method of controlling the same
    Patent number: 7565477
    Abstract: A semiconductor device includes: memory regions that include non-volatile memory cells; disabling information memory units that correspond to the memory regions, each of the disabling information memory units storing first program disabling information indicating whether programming is to be disabled or enabled in each corresponding memory region; a program disabling information selection circuit that outputs second program disabling information for disabling programming in a corresponding memory region, regardless of the first program disabling information, when programming is disabled collectively in the memory regions in accordance with collective program disabling information indicating whether programming is to be disabled collectively in the memory regions, the program disabling information selection circuit outputting the first program disabling information as the second program disabling information when programming is not collectively disabled; and a program control circuit that disables or enables p
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: July 21, 2009
    Assignee: Spansion LLC
    Inventors: Kenji Shibata, Masahiko Okura, Kenta Kato, Mitsuhiro Nagao, Stewart Wang, Katherine Butler, Cheung Nga Tik
  • Semiconductor device and method of controlling the same
    Publication number: 20080155180
    Abstract: A semiconductor device includes: memory regions that include non-volatile memory cells; disabling information memory units that correspond to the memory regions, each of the disabling information memory units storing first program disabling information indicating whether programming is to be disabled or enabled in each corresponding memory region; a program disabling information selection circuit that outputs second program disabling information for disabling programming in a corresponding memory region, regardless of the first program disabling information, when programming is disabled collectively in the memory regions in accordance with collective program disabling information indicating whether programming is to be disabled collectively in the memory regions, the program disabling information selection circuit outputting the first program disabling information as the second program disabling information when programming is not collectively disabled; and a program control circuit that disables or enables p
    Type: Application
    Filed: December 22, 2006
    Publication date: June 26, 2008
    Inventors: Kenji Shibata, Masahiko Okura, Kenta Kato, Mitsuhiro Nagao, Stewart Wang, Katherine Butler, Cheung Nga Tik