About 3 percent of the total patent applications filed with the #USPTO and #EPO in 2020 are related to nanotechnology; while the ratio is about 9% for #nano_articles.
Nearly 3 percent of total patents in #USPTO and #EPO in 2019 are in the field of #nanotechnology while this share is about 10 percent for nanopublications.
#The_United_States has published approximately one #nano_patent in #USPTO and #EPO for every two #nano_articles, while that of #China has been one for every 43.
