YC

Yongsen Chai

HG Haier Group: 5 patents #9 of 223Top 5%
QC Qingdao Haier Icebox Co.: 1 patents #5 of 9Top 60%
📍 Qingdao, CN: #245 of 2,087 inventorsTop 15%
Overall (All Time): #1,026,663 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7475445 Counter-rotation wash method and transmission machine Zhancun Jiang, Kaiming Wang, Zhichun Zhang, Peishi Lu, Zezhen Hua +2 more 2009-01-13
7215980 Pen-type mobile telephone Chunguang Song, Xiangji Li, Xintao Sun 2007-05-08
D491542 Mobile phone Chunguang Song, Xintao Sun 2004-06-15
6449976 Horizontal freezer with drawers Jian Ma, Biao Li, Kegang Huang 2002-09-17
D452255 Freezer with drawer below Jian Ma, Biao Li, Dinghua Wang 2001-12-18