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Inventor

Yan CHI

Inventor
CN

Overview

2→
Patents
2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

A01Nprimary
A01NPreservation of bodies of humans or animals or plants or parts thereof14%
C05BPhosphatic fertilisers14%
C05CNitrogenous fertilisers14%
C05DInorganic fertilisers not covered by subclasses c05b, c05c14%
C05FOrganic fertilisers not covered by subclasses c05b, c05c, e.g. fertilisers from waste or refuse14%
C05GMixtures of fertilisers covered individually by different subclasses of class c0514%
H01HElectric switches14%
PatentTitleYear
12,394,583Hinge type bistable magnetic circuit structure and magnetic latching relay202512,365,636Microbial protectant in high-nutrient and high-activity chemical fertilizer-biological compound fertilizer and preparation method thereof2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to SHANDONG ACAD AGRICULTURAL SCIENCES (1)· patent assignee history
2025Patents assigned to WUZHOU FENG AGRICULTURAL TECH CO LTD (1)· patent assignee history
2025Patents assigned to XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHANDONG ACAD AGRICULTURAL SCIENCES12025
WUZHOU FENG AGRICULTURAL TECH CO LTD12025
XIAMEN HONGFA ELECTRIC POWER CONTROLS CO LTD12025
Locations
LocationPatentsSpan
CN22025