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Inventor

AKANE KUMAYAMA

Inventor
JP

Overview

1→
Patents
2025
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing25%
C09GPolishing compositions25%
H01LSemiconductor devices25%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1025%
PatentTitleYear
12,398,294Polishing composition, polishing method, and method of manufacturing semiconductor substrate2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to FUJIMI INC (1)· patent assignee history
2025Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIMI INC12025
Locations
LocationPatentsSpan
JP12025