CC

Chun-Hsung Chen

JC Joy Industrial Co.: 7 patents #1 of 4Top 25%
Overall (All Time): #463,358 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
9174487 Bicycle rear wheel hub assembly 2015-11-03
9016475 Paper-made packing box with shock-absorbing device 2015-04-28
8905214 Electric hub unit 2014-12-09
8733524 Driving system for bicycle hub 2014-05-27
D601930 Bicycle bushing 2009-10-13
7448979 Bicycle hub speed-change assembly 2008-11-11
7025186 Bicycle ratchet bushing 2006-04-11
5556222 Quick release mechanism 1996-09-17
5458223 Bicycle hub unit 1995-10-17
5241877 Gear selector 1993-09-07
5135330 Quick release clamping device 1992-08-04