Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028042 | Lossless data compression system | — | 2006-04-11 |
| 5357250 | Adaptive computation of symbol probabilities in n-ary strings | Paul D. Healey | 1994-10-18 |
| 5045852 | Dynamic model selection during data compression | Joan LaVerne Mitchell, William B. Pennebaker | 1991-09-03 |
| 4905297 | Arithmetic coding encoder and decoder system | Glen G. Langdon, Jr., Joan LaVerne Mitchell, William B. Pennebaker | 1990-02-27 |
| 4652856 | Multiplication-free multi-alphabet arithmetic code | Kottappuram M. Mohiuddin | 1987-03-24 |
| 4494108 | Adaptive source modeling for data file compression within bounded memory | Glen G. Langdon, Jr. | 1985-01-15 |
| 4467317 | High-speed arithmetic compression coding using concurrent value updating | Glen G. Langdon, Jr. | 1984-08-21 |
| 4463342 | Method and means for carry-over control in the high order to low order pairwise combining of digits of a decodable set of relatively shifted finite number strings | Glen G. Langdon, Jr. | 1984-07-31 |
| 4286256 | Method and means for arithmetic coding utilizing a reduced number of operations | Glen G. Langdon, Jr. | 1981-08-25 |