PY

Ping Yao

DB Dsm Ip Assets B.V.: 1 patents #1,007 of 2,011Top 55%
Overall (All Time): #1,429,430 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10940930 Online antifouling ship ballast water treatment system and ship ballast water treatment method Guangzhou Liu, Dongxia Duan 2021-03-09
10781112 Dehydrogenation tank and ballast water treatment system having the same Guangzhou Liu, Dongxia Duan, Hongren Wang 2020-09-22
9661870 Nanogel comprising water-soluble active ingredients Xuzhe Ding, Olivia Vidoni 2017-05-30