Resonac Holdings Corporation (TYO:4004)
Japan flag Japan · Delayed Price · Currency is JPY
14,155
+165 (1.18%)
Apr 28, 2026, 3:30 PM JST

Resonac Holdings Company Description

Resonac Holdings Corporation operates as a chemical company in Japan and internationally.

It operates through the Semiconductor and Electronic Materials, Mobility, Innovation Enabling Materials, Chemicals, and Crasus Chemical segments.

The company offers gases and solvents, abatement equipment systems and surface treatments, CMP slurries, and anti-charging materials; semiconductor-related materials, display and sensor-related materials, and films; base and photosensitive materials for PWBs; hard disks, SiCs, and optical semiconductors for use as electronic device components; and molded plastics/sheet-formed, powder metal, and aluminum products for automotives.

It provides lithium-ion batteries and mechanical carbon; ceramics, resins, cosmetic ingredients, monomers, adhesives, tapes, and chromatography products; industrial gases, and elastomers.

In addition, the company offers polyimides; HD media; friction materials; plastic molded; aluminum gravity casting products; packaging/containers; electrical insulating epoxy resin molded products; zipper bags and tapes; titanium oxide and alumina; and elastic polishing grindstone.

Further, it provides petrochemical and organic chemicals; polypropylene and polyethylene; liquefied carbon dioxide, dry ice, and gas-related equipment; liquefied oxygen, nitrogen, and argon; molecular sieve; graphite electrodes; plasters, fireproofing pipes, and wall sidings; cement and moisture removal sheets; industrial materials; and FRP, coated sand, and separating mediums.

Additionally, the company engages in leasing personnel computers and other business equipment; outsourcing of salary, welfare, and finance-related business; and synthesis, analysis, and SDS preparation services.

The company was formerly known as Showa Denko K.K. and changed its name to Resonac Holdings Corporation in January 2023.

The company was incorporated in 1939 and is headquartered in Tokyo, Japan.

Resonac Holdings Corporation
Country Japan
Founded 1939
Industry Chemicals
Sector Materials
Employees 21,525
CEO Hidehito Takahashi

Contact Details

Address:
Tokyo Shiodome Building
Tokyo, 105-7325
Japan
Phone 81 3 6263 9000
Website resonac.com

Stock Details

Ticker Symbol 4004
Exchange Tokyo Stock Exchange
Stock Type Common Stock
Fiscal Year January - December
Reporting Currency JPY
ISIN Number JP3368000000
SIC Code 2800

Key Executives

Name Position
Hidehito Takahashi Chief Executive Officer
Hideki Somemiya Chief Financial Officer