Patents by Inventor Sabbir S. Rangwala

Sabbir S. Rangwala 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).

  • Bidirectional modular optoelectronic transceiver assembly
    Patent number: 5841562
    Abstract: A bidirectional optoelectronic transceiver assembly comprises a pair of interconnectable modules. One module houses a laser diode and a lens; the other a photodiode, a beam splitter and a fiber pigtail.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: November 24, 1998
    Assignee: Lucent Technologies, Inc.
    Inventors: Sabbir S. Rangwala, Thomas Stanley Stakelon
  • Method for laser welding of optical packages
    Patent number: 5367140
    Abstract: A piezoelectric actuator is used to control the relative positions of a laser and optical fiber during laser welding of components to a base.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: November 22, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Musa K. Jouaneh, Sabbir S. Rangwala