Assignee
QIU JIAN-MING
CN·2 granted patents·7 citations·filing 2009–2012
Top patents by PatentIndex Score
2 records- 0159US8123289B2Lift chair and a chair frame with a position holding mechanism for use therewithQIU JIAN-MING·Filed 2009·Granted Feb 28, 2012·7 cites·13 claims
- 0230US9424855B2Audio device and method for adding watermark data to audio signalsQIU JIAN-MING·Filed 2012·Granted Aug 23, 2016·0 cites·8 claims
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