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Inventor

Guoquan JIN

Inventor
ID

Overview

1→
Patents
2025
Patent span
Chemistry
Primary field (CPC C)

Patents· 1 as inventor

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

C01Gprimary
C01GCompounds containing metals not covered by subclasses c01d or c01f25%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds25%
C22BProduction and refining of metals25%
Y02PClimate change mitigation technologies in the production or processing of goods25%
PatentTitleYear
12,297,125Method for preparing battery-grade nickel-cobalt-manganese sulfate crystals from low nickel matte2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to GEM CO LTD (1)· patent assignee history
2025Patents assigned to PT ESG NEW ENERGY MAT (1)· patent assignee history
2025Patents assigned to PT GEM INDONESIA NEW ENERGY MAT (1)· patent assignee history
2025Patents assigned to PT QMB NEW ENERGY MAT (1)· patent assignee history
2025Based in ID· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEM CO LTD12025
PT ESG NEW ENERGY MAT12025
PT GEM INDONESIA NEW ENERGY MAT12025
PT QMB NEW ENERGY MAT12025
Locations
LocationPatentsSpan
ID12025