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Inventor

YULEI ZHAO

Inventor
CN

Overview

3→
Patents
2025–2026
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A01Gprimary
A01GHorticulture21%
C05CNitrogenous fertilisers14%
C05DInorganic fertilisers not covered by subclasses c05b, c05c14%
C05GMixtures of fertilisers covered individually by different subclasses of class c0514%
A01CPlanting7%
A24BManufacture or preparation of tobacco for smoking or chewing7%
A24DCigars7%
C05BPhosphatic fertilisers7%
Y02PClimate change mitigation technologies in the production or processing of goods7%
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 leaves2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025–2026Patents assigned to TOBACCO RES INSTITUTE OF HUBEI PROVINCE (3)· patent assignee history
2025–2026Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOBACCO RES INSTITUTE OF HUBEI PROVINCE32025–2026
Locations
LocationPatentsSpan
CN32025–2026