Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636511 | Apparatus and methods for downloading recorder programming data in a video signal | — | 2009-12-22 |
| 7499628 | Enhancing operations of video tape cassette players | Henry C. Yuen, Daniel S. Kwoh, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai +1 more | 2009-03-03 |
| 6701060 | Enhancing operations of video tape cassette players | Henry C. Yuen, Daniel S. Kwoh, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai +1 more | 2004-03-02 |
| 6204796 | Apparatus and methods for generating codes for controlling appliances from a remote controller | Philip Chan, Kwong Sang SIN | 2001-03-20 |
| 6125231 | Method of adding titles to a directory of television programs recorded on a video tape | Henry C. Yuen, Daniel S. Kwoh, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai +1 more | 2000-09-26 |
| 6091884 | Enhancing operations of video tape cassette players | Henry C. Yuen, Daniel S. Kwoh, Roy J. Mankovitz, Carl Hindman, Hing Y. Ngai +1 more | 2000-07-18 |
| 6058238 | Identifier generation and remote programming for individually addressable video cassette recorders | — | 2000-05-02 |
| 5724203 | Method and apparatus for determining addresses in time along a recording tape | Daniel S. Kwoh | 1998-03-03 |
| 5581614 | Method for encrypting and embedding information in a video program | Roy J. Mankovitz | 1996-12-03 |
| 5543929 | Television for controlling a video cassette recorder to access programs on a video cassette tape | Roy J. Mankovitz, Daniel S. Kwoh | 1996-08-06 |