| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 8 | |
| #2 | Netherlands | 8 | |
| #3 | WIPO (World Intellectual Property Organization) | 8 | |
| #4 | China | 5 | |
| #5 | Republic of Korea | 5 | |
| #6 | United States | 5 | |
| #7 | Canada | 4 | |
| #8 | EAPO (Eurasian Patent Organization) | 4 | |
| #9 | Brazil | 3 | |
| #10 | South Africa | 3 | |
| #11 | Australia | 2 | |
| #12 | Hungary | 2 | |
| #13 | Norway | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | De Haan Philip Derek Eduard | 40 |
| #2 | Haan Philip Derek Eduard De | 10 |
| #3 | Groen Boudewijn | 6 |
| #4 | Philip Derek Eduard De Haan | 3 |
| #5 | Kemper Danker | 3 |
| #6 | Boudewijn Groen | 2 |
| #7 | Eduard De Haan Philip Derek | 1 |
| #8 | Haan Philip Derek Eduard | 1 |
| #9 | Danker Kemper | 1 |
| Publication | Filing date | Title |
|---|---|---|
| NL2019480B1 | A loudspeaker with a wave front shaping device | |
| NL2014636A | A loudspeaker array suspension. | |
| NL2004781C2 | Loudspeaker. | |
| NL2003153C2 | Connection system for connection of speaker enclosures, speaker enclosure and method for lifting speaker enclosures. | |
| NL2000499C2 | Loudspeaker. | |
| NL1026038C2 | Loudspeaker and assembly of loudspeakers. | |
| NL1022819C2 | Loudspeaker. | |
| NL1022820C2 | Loudspeaker. |