Production Plant and Offices
Omachi Head Office/ Plant: Overview
| Address | 6850 Omachi, Omachi, Nagano, 398-0002 JAPAN |
|---|---|
| Altitude | 706m |
| Established | 1933 Resonac Graphite Japan was established under the name Showa Aluminum Kogyosho, and successfully achieved the first aluminum refining in 1934, earning its reputation as the birthplace of aluminum in Japan. |
| Area | 700,000 square meters (approximation) *total area approximating 1.5 million square meters including area of hydroelectric power plants |
| Core Products | Graphite Electrodes (GE, PIN) Manufactured since 1938. |
| Production Capacity | 33 kMt (In 2022, GE: 24kMt / PIN: 9kMt) |
| Unique Features | Owns three hydroelectric power plants |
Omachi Plant: History
March 1933:
Established as "Showa Aluminum Kogyosho"
January 1934:
Succeeded in the industrial production of domestically-made aluminum for the first time in Japan
April 1938:
Production of Graphite electrode began
June 1939:
Changed name to "Showa Denko Omachi Plant"
December 1939:
Completion of Hirotsu Power Station
October 1941:
Completion of Tokiwa Power Station
September 1951:
Received the Deming Prize (company-wide recognition)
December 1953:
Obtained the first ever JIS certification in Japan with graphite electrodes
April 1954:
Completion of Aoki Power Station
March 1961:
Visit by Crown Prince Akihito (the current Emperor of Japan)
November 1970:
Completion of Diesel Power Station
November 1978:
Establishesd Showa Kosan Co., Ltd.
June 1982:
Suspension of all aluminum production (total production: 664,702 tons)
July 1988:
Completion of aluminum foil production facility
January 1995:
Acquired ISO9001 certification
October 1997:
Acquired ISO14001 certification
March 2000:
Renamed "Omachi Factory" to "Omachi Plant"
June 2004:
Merger of Showa Kosan Co., Ltd. and Shinshu Showa Co., Ltd., forming Shinshu Showa Co., Ltd.
July 2005:
Began commercial production of 800mm diameter graphite electrodes
March 2008:
Closed diesel power station
February 2009:
Began LNG usage
July 2015:
Withdrew from aluminum foil production
March 2017:
The Chemical Society of Japan recognizes first domestically produced aluminum ingot as Chemical Heritage
October 2017:
Acquired SGL GE, establishing a global manufacturing network with 7 facilities
January 2022:
Acquired ISO45001 certification
January 2023:
Renamed to Resonac Graphite Japan Corporation
Tokyo Headquarter: Overview
| Address | Tokyo Shiodome Building 1-9-1 Higashi Shinbashi, Minatoku, Tokyo 105-7325 JAPAN |
|---|---|
| Access | 2 minute walk from Shiodome Station (Oedo Line) / 7 minute walk from Shinbashi Station (JR Line) |
| Functions | Tokyo Headquarters accommodate the Strategic Planning and the Business Management Division. It supervises Global Operations and Sales. |
| Notes | Relocated offices in June of 2023 |