MEI QINGKAI has a total of 22 patent applications. Its first patent ever was published in 2011. It filed its patents most often in China, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets audio-visual technology, mechanical elements and environmental technology are LIN STEFF, DPA MICROPHONES AS and ACOUSTIC FIBER SOUND SYSTEMS.
# | Country | Total Patents | |
---|---|---|---|
#1 | China | 10 | |
#2 | WIPO (World Intellectual Property Organization) | 7 | |
#3 | Canada | 2 | |
#4 | United States | 2 | |
#5 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Mechanical elements | |
#3 | Environmental technology | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Frames | |
#3 | Climate change mitigation in buildings | |
#4 | Vehicle parts |
# | Name | Total Patents |
---|---|---|
#1 | Mei Qingkai | 22 |
Publication | Filing date | Title |
---|---|---|
CN103002366A | Tablet electronic device support with loudspeaker boxes | |
CN103633721A | Mobile power with clockwork power generation | |
CN103581792A | Multiple-360-degree-sound-production resonance portable sound system | |
CN103491463A | Tablet personal computer support acoustic device | |
CN103491479A | Resonance portable acoustics device with dual 360-degree sound production | |
CN103108263A | Bag-type speaker box | |
CN102932715A | Hardware shrapnel type resonant sound generator | |
CN102843621A | Resonance portable sound box | |
CN102843622A | Onboard Bluetooth-enabled speaker | |
CN102843635A | Disc spring resonance sound generator |