About Us


During its eight decades as an industry leader, Nippon Yakin Kogyo has brought innovation and technological ingenuity to its products for superior functionality and versatility. From its fire extinguishers in 1925 to stainless steels today that are ideally designed for green technologies, Nippon Yakin Kogyo continues its long tradition of creating excellence.

Okame-no-Men released Nippon Yakin Kogyo's first steel product on October 25, 1935.

The Kawasaki Plant is constructed in 1935 to produce stainless steel.
An okame-no-men, a traditional mask used in the performing arts was purchased from Heiken-ji Temple in Kawasaki and used as a mold for Nippon Yakin Kogyo’s first product. Based on the mask instead of a typical wooden mold, a sand mold was created. Stainless steel melted in a 50-kilogram induction furnace was poured into the sand mold, becoming the first item produced by NIppon Yakin Kogyo.

Production of the first stainless steel at Kawasaki Plant Production of the first stainless steel at Kawasaki Plant

I. Founding Period of Nippon Yakin Kogyo

1925 Chuo Rika Kogyo Co., Ltd. founded as a manufacturer and seller of fire extinguishers
1928 Renamed Nippon Kako Co., Ltd. and became a manufacturer of fireworks, government-commissioned manufacturer and seller of blasting supplies, and seller of explosives
1934 Constructed Kawasaki Plant (Daishigawara , Kawasaki City)
Established Oheyama Nickel Mining Industry Co., Ltd. (predecessor of Oheyama Nickel Kogyo Co., Ltd.)
1935 Kawasaki Alloy Factory (later renamed Kawasaki Factory) constructed
Manufactured the first stainless steel product.
1936 Started Industrial production of specializedty stainless steel and stainless steel
1939 Introduced company emblem (logo of two wheels)
1942 Stock listed on the Tokyo and Osaka stock exchanges
Renamed Nippon Yakin Kogyo Co., Ltd.
1943 Merged with Oheyama Nickel Kogyo, took over its nickel mining and ferro-nickel smelting business
Kawasaki Factory renamed Kawasaki Plant
Oheyama's Iwataki Smelting Factory renamed Iwataki Smelting Plant
1948 Renamed Iwataki Smelting Plant to Oheyama Plant
1950 Successfully manufactured stainless steel using the basic oxygen process in an arc furnace*1 at Kawasaki Plant
1956 Established a research institute at Kawasaki Plant
1957 Approx. 100,000 tsubo (approx. 330,578 m2) of reclaimed land in Kawasaki acquired from Kanagawa Prefecture

II. Establishment of a Mass Production System for Stainless Steels

1959 Production of alloy steel and carbon steel discontinued to focus on stainless steel plate
1960 Started to operate the Sendzimir 20H Cold Strip Mill at Kawasaki Plant
NAS*2 trademarked for stainless steel products in Japan
1962 Started to operate a 30-ton-capacity electric arc furnace*1(the first large furnace operated by a stainless steel manufacturer in Japan)
1965 Started to operate a continuous casting machine (CCM) at Kawasaki Plant
1966 Started to operate a planetary mill (for hot rolling) at Kawasaki Plant
Received Minister of International Trade and Industry Award for excellent metrological management
1968 Started to operate a 60-ton-capacity electric arc furnace (furnace No. 8) at Kawasaki Plant
1969 Received Minister of International Trade and Industry Award for standardization and excellent quality
1970 Started to operate a 60-ton-capacity electric arc furnace (furnace No. 9) at Kawasaki Plant
Started to operate a continuous casting machine (CCM No. 2, 5-foot width) at Kawasaki Plant
Received Minister of Labour Award for excellence in vocational training
1971 Started to operate a cold-rolling mill (20H Sendzimir Mill No. 3) at Kawasaki Plant
Started to operate the 60-ton-capacity VOD*3 process at Kawasaki Plant
1975 Spun off Oheyama Plant, transferred to Oheyama Nickel Co.
1977 Started to operate the AOD*4 process at Kawasaki Plant
1983 Merged with Oheyama Nickel Co., and renamed Oheyama Plant
1989 Head office relocated to present location of Sanei Bldg. (1-chome Kyobashi, Chuo-ku, Tokyo)
Completed the expansion of the second cold strip mill shop (5AP*5, HKline *6, and finishing equipment) at Kawasaki Plant (world's first combined CAP*7 (5AP*5))
1990 Started to operate CTS*8 at Kawasaki Plant
Started to operate No. 5 rotary kiln at Oheyama Plant
Kawasaki Plant commended by the Governor of Kanagawa Prefecture as an excellent high-pressure gas worksite
1991 Established central logistics center inside Kawasaki Plant
1993 Kawasaki Plant received TPM Excellence Award
1994 Oheyama Plant received TPM Excellence Award
Kawasaki Plant received ISO 9002 certification

III. Capital Investment to Be More Competitive and Sales Promotion for High-Performance Alloys

1996 Started to operate a new hot-rolling mill at Kawasaki Plant
1999 Kawasaki Plant received ISO 14001 certification
Oheyama Plant received ISO 14001 certification
2002 Received John Chipman Award (the Iron & Steel Society (now the Association for Iron & Steel Technology)),
as a first specialized stainless steel manufacturer
2003 Opened Shanghai representative office
Spun off Kawasaki Plant and Oheyama Plant (Established Yakin Kawasaki and Yakin Oheyama)
2008 Started to operate a new AOD at Yakin Kawasaki
2009 Yakin Kawasaki obtained Occupational Safety and Health Management System (OSHMS) certification
2010 Merged Yakin Kawasaki and Yakin Oheyama
2011 Established Nippon Yakin America Inc(subsidiary in USA)
2012 Established Nippon Yakin Shanghai Co., Ltd. (subsidiary in China)
Established Nippon Yakin Europe Ltd. (subsidiary in UK)
2014 Established Nippon Yakin Asia Pte. Ltd. (subsidiary in Singapore)
2015 Obtained NORSOK (Norwegian petroleum standard) certification
2018 Founded Chinese joint venture, NISCO Nippon Yakin Kogyo Nanjing Co., Ltd.
2022 Started to operate a new electric furnace ("E furnace")
*1 Arc furnace:Electric furnace for melting metals
*2 NAS steel:Name of Nippon Yakin Kogyo's standard and brand name given to products in Japan, created from the first letters of

AUSTENITE(main structural organization of stainless steel)

*3 VOD:Vacuum oxygen decarburization
*4 AOD:Argon oxygen decarburization
*5 5AP:Abbreviation for Nippon Yakin Kogyo's 5th annealing and pickling line
*6 HK line:Product polishing line (our original name)
*7 Combined CAP:Continuous annealing and pickling line for cold rolled strips that is combined with a skin-pass rolling mill and levelling equipment
*8 CTS:Original name given to Nippon Yakin Kogyo's equipment used to adjust composition and temperature of molten steel in the finishing process