Osamu Sugiyama

UN Unknown: 1 patents #306 of 3,153Top 10%

Overall (2022): #309,925 of 548,613Top 60%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11465902	Method for producing hydrogen gas	—	2022-10-11