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Inventor

AYUMU TATEOKA

Inventor
TW

Overview

3→
Patents
2024–2025
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.

B32Bprimary
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form25%
H05KPrinted circuits25%
C25DProcesses for the electrolytic or electrophoretic production of coatings17%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%
C08LCompositions of macromolecular compounds8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
PatentTitleYear
12,457,686Roughened copper foil, copper-cladded laminate board, and printed wiring board202512,331,212Resin composition, copper foil with resin, and printed wiring board202512,104,265Roughened copper foil, copper-clad laminate and printed wiring board2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to MITSUI MINING & SMELTING CO LTD (3)· patent assignee history
2024–2025Based in TW· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI MINING & SMELTING CO LTD32024–2025
Locations
LocationPatentsSpan
TW32024–2025