Inventor
LIU HONGYUAN
CN9 patents
⚠️ This page may combine multiple inventors who share the name “LIU HONGYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHEAST INST GEO & AGROECOLO
5 patentsUS11707017B1Jul 25, 2023
Method for improving soda saline-alkaline paddy fields by stirring and discharging slurry and application thereof
NORTHEAST INST GEO & AGROECOLO2 citations66
US11685862B1Jun 27, 2023
Special soil conditioner for soda saline-alkaline paddy fields and preparation method thereof
NORTHEAST INST GEO & AGROECOLO4 citations64
US12382854B1Aug 12, 2025
Straw returning method through thawing and wet puddling for saline-sodic paddy fields and application thereof
NORTHEAST INST GEO & AGROECOLO1 citations56
US12256659B1Mar 25, 2025
Spring ploughing and land preparation method through thawing and water puddling for saline-sodic paddy fields and application thereof
NORTHEAST INST GEO & AGROECOLO0 citations46
US12324427B1Jun 10, 2025
Weeding method of alternately cultivating ducks by block dividing in organic rice field and application thereof
NORTHEAST INST GEO & AGROECOLO0 citations40