Xin Chang — 1 Patent in 2021

BTBitmain Technologies: 1 patents #2 of 13Top 20%

San Jose, CA: #2,852 of 6,693 inventorsTop 45%

California: #26,007 of 66,859 inventorsTop 40%

Overall (2021): #209,921 of 548,734Top 40%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11188131	Calculation board power stage circuit, and calculation board	Yanhong Qiu, Tong Zou	2021-11-30