Kwan; John Man Kwong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kwan; John Man Kwong.The latest application filed is for "device for capturing and streaming video and audio".
- Kwan; John Man Kwong - Sunnyvale CA
- Kwan; John Man Kwong - Santa Clara CA US
| Patent | Date |
|---|---|
| Device For Capturing And Streaming Video And Audio App 20170041359 - Kwan; John Man Kwong | 2017-02-09 |
| System and method for authenticating data using incompatible digest functions Grant 8,433,899 - Kwan April 30, 2 | 2013-04-30 |
| System and method for digitally marking a file with a removable mark Grant 8,285,995 - Kwan October 9, 2 | 2012-10-09 |
| System And Method For Authenticating Data Using Incompatible Digest Functions App 20090204813 - Kwan; John Man Kwong | 2009-08-13 |
| System and method for authenticating data using incompatible digest functions Grant 7,480,796 - Kwan January 20, 2 | 2009-01-20 |
| System and method for digitally marking a file with a removable mark App 20040199772 - Kwan, John Man Kwong | 2004-10-07 |
| System and method for digitally marking a file with a removable mark Grant 6,792,535 - Kwan September 14, 2 | 2004-09-14 |
| System and method for authenticating data using incompatible digest functions App 20020188849 - Kwan, John Man Kwong | 2002-12-12 |
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