| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | China | 1 | |
| #6 | EPO (European Patent Office) | 1 | |
| #7 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Stereophonic systems | |
| #3 | Special information storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mathur Gopal P | 4 |
| #2 | Mathur Gopal Prasad | 4 |
| #3 | Mathur Gopal | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2018130491A1 | Acoustic holographic recording and reproduction system using meta material layers | |
| US2017085981A1 | Active acoustic meta material loudspeaker system and the process to make the same |