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MEI QINGKAI

Overview
  • Total Patents
    22
About

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.

Patent filings in countries

World map showing MEI QINGKAIs patent filings in countries

Patent filings per year

Chart showing MEI QINGKAIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Mei Qingkai 22

Latest patents

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