Inventor
YOULUN FAN
Inventor
CN
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A01Gprimary
A01GHorticulture24%
C05CNitrogenous fertilisers12%
C05DInorganic fertilisers not covered by subclasses c05b, c05c12%
C05GMixtures of fertilisers covered individually by different subclasses of class c0512%
A01CPlanting6%
A01NPreservation of bodies of humans or animals or plants or parts thereof6%
A01PBiocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations6%
A24BManufacture or preparation of tobacco for smoking or chewing6%
A24DCigars6%
C05BPhosphatic fertilisers6%
PatentTitleYear
12,532,908High-yield integrated production method for cigar wrappers202612,520,781Application method of medium and trace nutrient elements for wrapper hydroponic system202612,356,900Supplemental lighting method for vertical multi-layer cultivation of wrapper tobacco leaves202511,968,983Tobacco leaf foliar spraying substance and method for reducing harmful ingredients in cheroot and tobacco shreds2024Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2024Patents assigned to HUBEI INST OF TOBACCO SCIENCE (1)· patent assignee history
2024–2026Based in CN· patent location history
2025–2026Patents assigned to TOBACCO RES INSTITUTE OF HUBEI PROVINCE (3)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TOBACCO RES INSTITUTE OF HUBEI PROVINCE | 3 | 2025–2026 |
| HUBEI INST OF TOBACCO SCIENCE | 1 | 2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 4 | 2024–2026 |