| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Basic communication technologies | |
| #3 | Computer technology | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Teaching materials | |
| #2 | Code conversion | |
| #3 | Electric digital data processing | |
| #4 | Games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Narayanan Sarukkai R | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2009160684A1 | Method for encoding and decoding data | |
| US2008294668A1 | Storage and retrieval of compressed data in mixed mode | |
| US2006273935A1 | Method for encoding data | |
| US5330358A | Computerized educational and entertainment device | |
| US4668194A | Multi-modal educational and entertainment system | |
| US4525148A | Multi-modal educational and entertainment system |