YM

Yunfeng Ma

BT Beijing University Of Technology: 1 patents #182 of 570Top 35%
PayPal: 1 patents #1,315 of 1,973Top 70%
Overall (All Time): #685,819 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12367669 Document image quality detection Chao Wang, Ke Jin, Wei Sun 2025-07-22
D1051862 Controller for electric blanket 2024-11-19
9458553 Method for growing GZO (ZnO:Ga) crystals Yijian Jiang, Yue Wang, Xiaoping Mei, Chunping Zhang, Qiang Wang +1 more 2016-10-04
8340143 Passively mode-locked picosecond laser device Zhongwei Fan, Gang Niu 2012-12-25
7699027 Portable generator 2010-04-20
D597485 Portable generator 2009-08-04
7559297 Portable Engine 2009-07-14