Patents by Inventor Stephen W.-Y. Lai

Stephen W.-Y. Lai 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).

  • Memory efficient gate array cell
    Patent number: 5452245
    Abstract: A core cell (10) for a gate array circuit has been provided. The core cell has a transistor layout that facilitates efficient memory circuit design within the gate array. The core cell includes a first (14-22) and second (23-31) plurality of transistors of a first conductivity type, and a third plurality (52-63) of transistors of a second conductivity type wherein the third plurality of transistors are positioned between the first and second plurality of transistors. The third plurality of transistors having transistors of a first and second size wherein at least two transistors of the second size of the third plurality of transistors includes a common gate connection.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: September 19, 1995
    Assignee: Motorola, Inc.
    Inventors: Patrick Hickman, Stephen W.-Y. Lai