| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Canada | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Basic communication technologies | |
| #2 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Code conversion | |
| #2 | Image data processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Graybill Mark D | 11 |
| #2 | Gibson Dean K | 8 |
| #3 | Harris Donald H | 3 |
| #4 | Harris Donald R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5371499A | Data compression using hashing | |
| US5353024A | Method for data compression having an improved encoding algorithm which utilizes a token stacking technique | |
| US5406278A | Method and apparatus for data compression having an improved matching algorithm which utilizes a parallel hashing technique | |
| US5049881A | Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion utilizing a hashing technique |