Japan Locations

Sagami Operation Center (Includes Sagami Plant)

1590 Tabata, Samukawa-machi, Koza-gun, Kanagawa 253-0114
TEL. ( +81-467-75-2151) (Rep.)

The Sagami Operation Center is situated in the Samukawa Industrial Park, located along the Sagami River which flows through Kanagawa Prefecture. Here one finds the latest, fully-equipped research facilities, which makes this Operation Center the hub of TOK’s R&D activities.

Also at the Sagami Operation Center, a wide range of products are manufactured, including photoresists, specialty chemicals, and organic chemicals.

Shonan Operation Center

7-8-16 Ichinomiya, Samukawa-machi, Koza-gun, Kanagawa 253-0111
TEL. (+81-467-74-2125) (Rep.)

The Shonan Operation Center is located adjacent to the Sagami Business Office.
Here are developed and manufactured the process equipment which plays such a key role together with photoresists in the semiconductor fabrication process.

Among the process equipment developed and produced here are semiconductor process equipment, such as etchers, ashers, and coaters, etc., as well as process equipment for liquid-crystal displays. Ultra-advanced research facilities have also been constructed at the Shonan Technical Center.

These research labs constitute the core R&D facilities for TOK process equipment.

Koriyama Plant

1-23 Machiikedai, Koriyama-shi, Fukushima 963-0215
TEL.(+81-249-59-6911) (Rep.)

The Koriyama Plant boasts the latest and most-advanced production facilities. Chiefly manufactured here are high-resolution photoresists for i-line and KrF excimer lasers, as well as related chemicals.

The Koriyama Plant is located in the West No. 2 industrial park of Koriyama City in Fukushima Prefecture. Here is secured a complete supply system for users in northern Japan, namely the Tohoku and Hokkaido regions.

Utsunomiya Plant

21-5 Kiyohara Kogyo Danchi, Utsunomiya-shi, Tochigi 321-3231
TEL. (+81-286-67-3711) (Rep.)

The Utsunomiya Plant is a mass-production factory for all types of semiconductor photoresists. This Plant is a key supply point for users in the Kanto and Tohoku regions.

The Utsunomiya Plant is situated in the Kiyohara Industrial Park. This is Japan’s largest non-coastal industrial park, and boasts the most advantageous conditions for advanced industries in addition to its huge scale.

Kumagaya Plant

823-8 Kamibayashi, Miizugahara, Kumagaya-shi, Saitama 360-0844
TEL. (+81-485-33-1171 )(Rep.)

This plant is located in the Kumagaya Industrial Park. It was built largely to provide support and back-up to the Sagami Operation Center, and is used chiefly for the production of CRT-related chemicals.

Here, too, all types of high-purity chemicals, both organic and inorganic chemicals, are manufactured.

Gotemba Plant

1-1 Komakado, Gotemba-shi, Shizuoka 412-0038
TEL. (+81-550-87-3003 )(Rep.)

The Gotemba Plant is one of TOK’s main plants. It boast some of the most advanced facilities available, including the world’s first metal-free configuration for a photoresist production line.

Here are manufactured not only ultra-advanced semiconductor photoresists, but also coating fluids for coating formation (OCDs) and all types of photoresists.

Aso Plant

4454-1 Miyaji, Ichinomiya-machi, Aso-shi, Kumamoto 869-2612
TEL. (+81-967-22-4411) (Rep.)

The Aso Plant is TOK’s main plant for semiconductor photoresists. Here, all types of photoresists for semiconductors and liquid crystal displays are manufactured, along with related auxiliary chemicals.

This plant is found just about in the heart of Kyushu, which is known as “Silicon Island”. Thus it is an important supply point not only for Kyushu region, but also for Shikoku and Chugoku alike.