Nichidai Corporation

Nichidai Corporation is a Japanese precision manufacturing company headquartered in Kyotanabe, Kyoto. It was founded in 1967 as a joint-stock company, building on a business originally started in 1959 in Osaka as Tanaka Gokin Seisakusho. The company specializes in precision forging dies, precision forged parts and assemblies, and filter products, and it also develops sintered metal products and related forming technologies. Its products are used in automotive drivetrain and engine components, industrial machinery, and energy applications. The company's core technologies include precision forging die design and manufacturing, back-pressure forging methods for scroll parts, laminated sintered filters, and metal filtration materials. Nichidai operates domestic plants in Kyotanabe and Ujitawara in Kyoto Prefecture, with sales offices in Kumagaya, Hamamatsu, Nagoya, Kyoto, Okayama and Kumamoto. Overseas, it has production and sales subsidiaries in Thailand and the United States, and a joint venture in India. Its filter business was spun off into Nichidai Filter Co., Ltd. in 2004. Nichidai has been listed on Japanese equity markets since 2000, initially on the over-the-counter market, later on JASDAQ, and since 2022 on the Tokyo Stock Exchange Standard Market under securities code 6467. Consolidated sales were approximately 10.9 billion yen in the fiscal year ended March 2026, and the group employed 596 people on a consolidated basis as of March 31, 2026. The company continues to invest in forging DX, heat sinks, battery cases and other development products for next-generation manufacturing.

Nichidai Corporation traces its origins to May 1959, when it was founded in Kita-ku, Osaka as Tanaka Gokin Seisakusho. In May 1967, the business was incorporated as Nichidai Corporation with capital of 4 million yen. In April 1971, a new plant was completed in what is now the headquarters location in Kyotanabe, Kyoto, and the head office and plant were relocated there. In May 1974, the company began manufacturing and selling laminated sintered filters. In April 1988, the Ujitawara Plant was completed in Ujitawara, Kyoto. In August 1988, a research and development press (HED-800) was introduced, and in September 1988 the company began selling simplified closed die sets and started manufacturing and selling automotive forged parts. In February 1994, a U.S. office was opened. In May 1995, production of scroll parts began. In April 1997, the Nichidai hard baseball team was established. In August 1998, the die plant and engineering division were fully relocated to the Ujitawara Plant. In November 1998, the company received the 14th Sokeizai Industry Technology Award, Director-General of the Small and Medium Enterprise Agency Prize, for its scroll manufacturing technology using back-pressure forging. In June 1999, it obtained ISO9001 certification. In March 2000, the company went public on the over-the-counter market of the Japan Securities Dealers Association. In April 2001, it established NICHIDAI AMERICA CORPORATION in the United States and closed the U.S. office. In August 2001, its fuel filter was adopted for the first H-IIA rocket. In April 2004, the filter business was spun off into Nichidai Filter Co., Ltd. In September 2004, production of VG turbocharger parts began. In December 2004, the company canceled its over-the-counter registration and listed on the JASDAQ Securities Exchange. In February 2007, a joint venture, THAI SINTERED MESH CO., LTD., was established in Thailand. In April 2008, Nichidai Precision Co., Ltd. was established in Ujitawara, Kyoto, and NICHIDAI (THAILAND) LTD. was established as a joint venture in Thailand. In July 2008, NICHIDAI ASIA CO., LTD. was established in Thailand. In March 2009, all shares of NICHIDAI AMERICA CORPORATION were transferred to NARE CORPORATION, and in April 2009, NICHIDAI U.S.A. CORPORATION was established in the United States. In December 2012, production of scroll forged parts began at NICHIDAI (THAILAND) LTD. In July 2013, die production began at NICHIDAI (THAILAND) LTD. In April 2014, Nichidai Precision Co., Ltd. was absorbed through merger. In January 2015, the domestic assembly business base was relocated from the Ujitawara Plant to the Kyotanabe Plant. In February 2015, NICHIDAI (THAILAND) LTD. obtained ISO14001 certification. In May 2016, the company celebrated its 50th anniversary. In December 2016, a research and development press (NFD-1000) was introduced. In June 2018, it obtained IATF 16949 transition certification. In April 2022, due to the reorganization of the Tokyo Stock Exchange market segments, it moved to the Standard Market. In March 2024, NICHIDAI (THAILAND) LTD. became a wholly owned subsidiary. In March 2025, THAI SINTERED MESH CO., LTD. became a wholly owned subsidiary. In July 2025, NICHIDAI (THAILAND) LTD. and THAI SINTERED MESH CO., LTD. were integrated through an absorption merger with NICHIDAI (THAILAND) LTD. as the surviving company. In January 2026, the company obtained ISO14001 certification. In February 2026, a joint venture, NICHIDAI SANSERA PVT. LTD., was established in India.

• Founded in Kita-ku, Osaka as Tanaka Gokin Seisakusho

• Incorporated as Nichidai Corporation with capital of 4 million yen

• New plant completed in Kyotanabe, Kyoto; head office and plant relocated

• Started manufacturing and selling laminated sintered filters

• Ujitawara Plant completed

• Introduced research and development press HED-800

• Started selling simplified closed die sets and manufacturing/selling automotive forged parts

• Opened U.S. office

• Started production of scroll parts

• Nichidai hard baseball team established

• Die plant and engineering division fully relocated to Ujitawara Plant

• Received 14th Sokeizai Industry Technology Award, Director-General of SME Agency Prize

• Obtained ISO9001 certification

• Listed on over-the-counter market of Japan Securities Dealers Association

• Established NICHIDAI AMERICA CORPORATION; closed U.S. office

• Fuel filter adopted for first H-IIA rocket

• Filter business spun off into Nichidai Filter Co., Ltd.

• Started production of VG turbocharger parts

• Listed on JASDAQ Securities Exchange

• Established joint venture THAI SINTERED MESH CO., LTD. in Thailand

• Established Nichidai Precision Co., Ltd. and NICHIDAI (THAILAND) LTD.

• Established NICHIDAI ASIA CO., LTD. in Thailand

• Transferred all shares of NICHIDAI AMERICA CORPORATION to NARE CORPORATION

• Established NICHIDAI U.S.A. CORPORATION

Precision forging technology and challenge-driven manufacturing supporting diverse industries.

• Precision forging dies

• Precision forged parts and assemblies

• Filter products

• Sintered metal products

• Heat sinks

• Battery cases

• Scroll parts

• Inner race

• Cross joint

• Helical gear

• Spider

• Cartridge filter

• Candle filter

• Strainer

• Leaf disc

• Disc filter

1. 1株式会社ニチダイ｜精密鍛造金型・精密鍛造品・フィルター製品nichidai.jp
2. 2沿革｜株式会社ニチダイnichidai.jp
3. 3企業情報｜株式会社ニチダイnichidai.jp
4. 4会社概要｜株式会社ニチダイnichidai.jp
5. 5Nichidai Corporation (Japan) - Wikidatawikidata.org