Patents by Inventor Michael A. Wall

Michael A. Wall 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).

  • Converting M channels of digital audio data packets into N channels of digital audio data
    Patent number: 7606627
    Abstract: Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to define to conversion of the M channels of digital audio data into N channels.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: October 20, 2009
    Assignee: Microsoft Corporation
    Inventors: Mei L. Wilson, Shafiq ur Rahman, Rebecca C. Weiss, Brian Crites, Sohail Baig Mohammed, Michael A. Wall
  • Converting M channels of digital audio data into N channels of digital audio data
    Patent number: 7505825
    Abstract: Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to define to conversion of the M channels of digital audio data into N channels.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: March 17, 2009
    Assignee: Microsoft Corporation
    Inventors: Mei L. Wilson, Shafiq ur Rahman, Rebecca C. Weiss, Brian Crites, Sohail Baig Mohammed, Michael A. Wall
  • Camptothecin analogs having an E-ring ketone
    Patent number: 7071204
    Abstract: Camptothecin analogs having an E-ring ketone are effective anti tumor compounds. These compounds inhibit the enzyme topoisomerase I and may alkylate DNA of the associated topoisomerase I DNA cleavable complex.
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: July 4, 2006
    Assignee: Research Triangle Institute
    Inventors: Michael A. Wall, Mansukh C. Wani, Govindarajan Manikumar, Monroe E. Wall
  • Converting M channels of digital audio data into N channels of digital audio data
    Patent number: 7072726
    Abstract: Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to define to conversion of the M channels of digital audio data into N channels.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: July 4, 2006
    Assignee: Microsoft Corporation
    Inventors: Mei L. Wilson, Shafiq ur Rahman, Rebecca C. Weiss, Brian Crites, Sohail Baig Mohammed, Michael A. Wall
  • 7-substituted camptothecin and camptothecin analogs and methods for producing the same
    Patent number: 7067666
    Abstract: Methods of forming camptothecin compounds which are effective anti-tumor compounds are disclosed. These compounds inhibit the enzyme topoisomerase I and may alkylate DNA of the associated topoisomerase I-DNA cleavable complex.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: June 27, 2006
    Assignee: Research Triangle Institute
    Inventors: Mansukh C. Wani, Govindarajan Manikumar, Michael A. Wall, Monroe E. Wall
  • Camptothecin analogs having an E-ring ketone
    Publication number: 20040266804
    Abstract: Camptothecin analogs having an E-ring ketone are effective anti tumor compounds. These compounds inhibit the enzyme topoisomerase I and may alkylate DNA of the associated topoisomerase I DNA cleavable complex.
    Type: Application
    Filed: June 30, 2003
    Publication date: December 30, 2004
    Applicant: Research Triangle Institute
    Inventors: Monroe E. Wall, Mansukh C. Wani, Govindarajan Manikumar, Michael A. Wall
  • 7-Substituted camptothecin and camptothecin analogs and methods for producing the same
    Publication number: 20040266803
    Abstract: Methods of forming camptothecin compounds which are effective anti-tumor compounds are disclosed. These compounds inhibit the enzyme topoisomerase I and may alkylate DNA of the associated topoisomerase I-DNA cleavable complex.
    Type: Application
    Filed: June 27, 2003
    Publication date: December 30, 2004
    Applicant: Research Triangle Insitute
    Inventors: Mansukh C. Wani, Govindarajan Manikumar, Monroe E. Wall, Michael A. Wall
  • Converting M channels of digital audio data into N channels of digital audio data
    Publication number: 20030236580
    Abstract: Audio data having M channels includes a header with metadata specifying a conversion function for converting the M channels of digital audio data into N channels of data. The metadata is a string of coefficients, which may be specified by the content author, to define to conversion of the M channels of digital audio data into N channels.
    Type: Application
    Filed: June 19, 2002
    Publication date: December 25, 2003
    Applicant: Microsoft Corporation
    Inventors: Mei L. Wilson, Shafiq ur Rahman, Rebecca C. Weiss, Brian Crites, Sohail Baig Mohammed, Michael A. Wall