Chi Keng Chen

📍 Fremont, CA: #5,063 of 9,298 inventorsTop 55%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #1,968,455 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10138805	Six-stroke and eight-stroke internal combustion engines	—	2018-11-27
8434462	Direct gas injection system for four stroke internal combustion engine	—	2013-05-07