Kayaku Advanced Materials INC
At a glance
Employees100-499
In business since1981
HeadquartersWestborough, MA
US patents2
SAM.gov UEIJ2SJUJTJH641
CAGE code02QK2
Incorporated inMA
Brands
Temporary Resists Illustration
Ancillaries Illustration
Lift-off Resists
Photo-patternable EpoxiesThis company sells these brands.
- photoresists
- polymer coatings
- fabrication
- coating services
- medical
- semiconductor
Named on the company’s own website, read JUL 29, 2026
CareersCareers page — seen SEP 8, 2026
Supplier designations
For Profit OrganizationManufacturer of Goods
Self-certified by the company in its SAM.gov registration
Patents
2 US patents granted 2023–2025, 2 of them in the five years to SEP 2025.
Optics 2
- Epoxy formulations and processes for fabrication of relief patterns on low surface energy substratesUS 12,189,291 · granted JAN 7, 2025
- Photoimageable compositions and processes for fabrication of relief patterns on low surface energy substratesUS 11,635,688 · granted APR 25, 2023
Granted to Kayaku Advanced Materials, INC. · PatentsView (USPTO), data through SEP 30, 2025 · CC BY 4.0
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Kayaku Advanced Materials INC | Westborough | MA | 100–499 | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


