CJ

Chih-Chen Juan

YC Yongmart Manufacturing Co.: 7 patents #1 of 1Top 100%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #222,689 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
9881436 Coin escrow apparatus 2018-01-30
8534404 Auxiliary power device of bicycle 2013-09-17
8297414 Wire quick release device for brake wire of bicycle 2012-10-30
8251389 Bicycle with auxiliary power system 2012-08-28
8245599 Transmission apparatus with multiple channels 2012-08-21
8056547 Paintball feeding device of paintball gun 2011-11-15
7866309 Single-chamber type firing mechanism of paintball gun 2011-01-11
7293464 Insulated IC pressure sensor 2007-11-13
6651790 Hydraulic balanced braking system 2003-11-25
6546950 Lacquer bullet gun Gas entry valve 2003-04-15
6526955 Lacquer bullet gun feeding system 2003-03-04
6523534 Electric firing controller for lacquer bullet gun 2003-02-25
6523649 Synchronous braking system 2003-02-25
6364044 Control system for motor-assisted bicycle 2002-04-02
6360736 Air gun firing system 2002-03-26
6311805 Balanced braking system for a bicycle 2001-11-06
6302092 Air gun trigger system 2001-10-16
6186282 Balanced braking system 2001-02-13
5941319 Electric wrench driving system 1999-08-24
5435398 Electrical wrench 1995-07-25