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Inventor

QINGMIN CHENG

Inventor
US

Overview

2→
Patents
2024–2025
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.

C09Gprimary
C09GPolishing compositions25%
C09KMaterials for miscellaneous applications, not provided for elsewhere25%
H01LSemiconductor devices25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
PatentTitleYear
12,319,843Polishing compositions and methods of using the same202512,024,650Polishing compositions and methods of using the same2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to FUJIFILM ELECTRONIC MAT USA INC (2)· patent assignee history
2024–2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIFILM ELECTRONIC MAT USA INC22024–2025
Locations
LocationPatentsSpan
US22024–2025