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Inventor

LIYAN MA

Inventor
US

Overview

3→
Patents
2022–2025
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, form29%
E04DRoof coverings29%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
PatentTitleYear
12,492,556Roofing shingles, tiles and shakes202512,404,412Reflective and textured finish composition and the methods of making and using the same202511,326,348Roofing shingles, tiles and shakes2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022–2025Patents assigned to CERTAINTEED LLC (2)· patent assignee history
2022–2025Based in US· patent location history
2025Patents assigned to SIKA TECH AG (1)· patent assignee history
2025Based in CH· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CERTAINTEED LLC22022–2025
SIKA TECH AG12025
Locations
LocationPatentsSpan
US22022–2025
CH12025