Sumitomo Chemical Advanced Technologies LLC

Company name

Website

https://sumichem-at.com/

Start date

End date

Ticker

Listed market

Country

United States of America

Business activities

Epitaxial Manufacturing

Resorcinol

Penacolite Resins

Polymer Additives

Rubber Chemicals

Super Engineering Plastics

Epitaxial manufacturing

Resorcinol production

Penacolite resin manufacturing

Resins manufacturing

Polymer additives manufacturing

Rubber chemicals manufacturing

Super engineering plastics manufacturing

Optical sheets and polarizing films

High purity alumina production

Semiconductor photoresists and functional cleaning solutions

PES modified resin grinding

New business ventures

Resins

PES Modified Resin Grinding

Semiconductor Photoresists and Functional Cleaning Solutions

Optical Sheets & Polarizing Films

High Purity Alumina

Penacolite resins

High Purity Alumina (HPA)

New Business Ventures

Head office

Not specified

Chief executive

Not specified

Employees (non-consolidated)

Employees (consolidated)

Related companies

Company name

Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder

Group

Sumitomo Chemical Group

Group

Relationship graph

History

19 entries

Date	Description
1971	Organometallics R&D start
1981	MOCVD Research start high electron mobility GaAs (163,000cm²/Vs@77K)
1984	Epitronics founded
1989	AlGaAs/InGaAs p-HEMT R&D
1991	O : 2 : -doped AlGaAs buffer FET Technology (Tsukuba Laboratory)
1992	Development of MOCVD system for GaAs Production : GaN LED R&D start : InGaP HBT R&D (Epitronics)
1995	AlGaAs HBT R&D : High Brightness LED R&D, 1cd GaN epiwafer : Development of MOCVD system for GaN Production : ATMI acquires Epitronics
1998	p-HEMT & HB-LED Production start : InGaP-HBT Production start
2001	ATMI expands into Airport facility
2003	Acquired the assets of ATMI GaAs Epitaxy Division
2004	Received ISO9001 certification : Veeco equipment acquisition
2005	Expanded p-HEMT epiwafer production
2007	Additional reactors installed (1 Aixtron 2600G3 and 1 Veeco E450)
2008	Received ISO14001 certification
2009	Additional reactor installed, Aixtron 2600G3
2011	Sumika receives a Certificate of Achievement from the City of Phoenix for 100% compliance with the 2011 pretreatment requirements
2013	Started up an Engineering Plastics Grinding Manufacturing business for the transportation industry
2016	Acquired the Indspec Division of Occidental Petroleum to produce and sell Penacolite resins to the global tire and other industries : Received OHSAS 18001 Certification
2017	Sumika Electronic Materials changes name to Sumitomo Chemical Advanced Technologies

News

+ Loaded when opened

Data sources

https://sumichem-at.com/about-us/

https://sumichem-at.com/contact-us/

https://sumichem-at.com/our-business/resorcinol/

News pages

Own domain

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Last updated

2026-09-21 18:05 (Model: gpt-4.1-nano )