Patents by Inventor Anthony J. Hoffman

Anthony J. Hoffman 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).

  • Highly power-efficient and broadband quantum cascade lasers
    Patent number: 8644358
    Abstract: The present invention relates generally to highly power-efficient quantum cascade sources, such as highly power-efficient quantum cascade lasers having ultra-strong coupling between injector and active regions which may be configured to provide broadband quantum cascade lasers.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: February 4, 2014
    Inventors: Qiang Liu, Yu Yao, Anthony J. Hoffman, Matthew Escarra, Kale J. Franz, Jacob Khurgin, Yamac Dikmelik, William O. Charles, Jianxin Chen, Claire F. Gmachl
  • Highly Power-efficient and Broadband Quantum Cascade Lasers
    Publication number: 20110080930
    Abstract: The present invention relates generally to highly power-efficient quantum cascade sources, such as highly power-efficient quantum cascade lasers having ultra-strong coupling between injector and active regions which may be configured to provide broadband quantum cascade lasers.
    Type: Application
    Filed: June 8, 2010
    Publication date: April 7, 2011
    Inventors: Qiang Liu, Yu Yao, Anthony J. Hoffman, Matthew Escarra, Kale J. Franz, Jacob Khurgin, Yamac Dikmelik, William O. Charles, Jianxin Chen, Claire F. Gmachl
  • Portion of a key blade blank
    Patent number: D350058
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: August 30, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350059
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: August 30, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350060
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: August 30, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350061
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: August 30, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of key blade blank
    Patent number: D350062
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: August 30, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350276
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: September 6, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350277
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: September 6, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D350687
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: September 20, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D351332
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: October 11, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D351782
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: October 25, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D351784
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: October 25, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352225
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 8, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352226
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 8, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352227
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 8, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352228
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 8, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352446
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 15, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D352448
    Type: Grant
    Filed: January 6, 1993
    Date of Patent: November 15, 1994
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns
  • Portion of a key blade blank
    Patent number: D362796
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: October 3, 1995
    Assignee: Corbin Russwin, Inc.
    Inventors: Anthony J. Hoffman, Robert E. Kearns