Company Information Company Information

Top Message Message from the President

We will pursue originality and market creation,
while aiming for coexistence with the Earth and society.

Our company, focusing on the infinite possibilities of synthetic resins, has delivered numerous products to customers in various industries such as automotive, medical, housing, infrastructure, and office equipment for over 70 years since our founding.
Through an integrated system of planning, development, and production, we have earned high trust as a development proposal-oriented partner company by responding to the diverse needs of our customers. Furthermore, by accelerating our efforts to reduce environmental impact and conserve resources, we will continue to promote further transformation and deliver greater satisfaction and inspiration to more customers.
At our company, we value the diversity of people and values as the source of creating excellent technologies and services. By leveraging unity within diversity and our domestic and international group network to the fullest, we will continue to aim for sustained growth towards the future.
We look forward to the future of the Nanbu Kasei Group.

Hisashi Kuroda, President and Representative Director

Company Overview Outline

Company Name
Nanbu Kasei Co., Ltd.
（NANBU PLASTICS CO., LTD.）
Qualified Invoice Issuer
Registration Number
T2-0800-0101-4031
Established
October 1981 (Registered: June)
Capital
1.8 billion yen
Representative
Hisashi Kuroda, President and Representative Director
Number of Employees
645 (Consolidated: 1,404) (As of the end of December 2025)
Business Activities
  • Moulding, processing, and sales of synthetic resins
  • Design, prototyping, manufacture, and sales of moulds
  • Manufacture and sales of medical devices and medical equipment
  • Manufacture and sales of in vitro diagnostic reagents
  • Manufacture and sales of health equipment
  • Manufacture and sales of interior decorations, furniture, lighting fixtures, kitchenware, and accessories
  • Manufacture and sales of decorative building materials
  • Manufacture and sales of household electrical appliances
  • Manufacture and sale of ceramic products
  • Design, construction, manufacture, operation, maintenance, leasing, rental, brokerage, and sale of equipment, apparatus, and facilities related to the preceding items, as well as technical guidance
Offices
  • Head Office Administration Department /
    Yoshida-cho, Haibara-gun, Shizuoka Prefecture
  • Factories /
    Susono Office, Fujieda Office, Yoshida Office, Oigawa Office
  • Sales Offices /
    Tokyo
  • Affiliated Companies /
    2 domestic locations, 2 overseas locations

History History

1981

  • Established Nanbu Kasei Co., Ltd. for the purpose of manufacturing and selling molded plastic products.

  • Commenced operations at "Susono Factory" (now Susono Office), "Oigawa Factory" (now Oigawa Office), "Tokyo Sales Office", and "Osaka Sales Office".

1983

  • Expanded "Oigawa Factory" (now Oigawa Office) and commenced operations as a precision moulding factory.

1992

  • Obtained a license for the manufacture of medical devices from the Ministry of Health (now Ministry of Health, Labour and Welfare) and began manufacturing medical equipment.

1995

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

1998

  • Opened "Yoshida Factory" (now Yoshida Office) as a medical device factory.

2000

  • Established "NANBU PHILIPPINES INCORPORATED" in the Philippines.

2002

  • Relocated and rebuilt "Susono Factory" (now Susono Office) to Shimowada, Susono City.

2004

  • Delisted shares from the over-the-counter market of the Japan Securities Dealers Association and listed shares on the Jasdaq Securities Exchange.

2005

  • Acquired all shares of "TOMS MANUFACTURING CORPORATION" and "TOMS PROPERTY HOLDINGS CORPORATION" in the Philippines.

2006

  • Opened "Head Office / Techno Center" in Ohata, Yoshida-cho, Haibara-gun, Shizuoka Prefecture, and relocated the head office department from Susono Office.

  • Relocated "Tokyo Sales Office" to Kaji-cho, Chiyoda-ku, Tokyo.

2007

  • Established "Kyushu Nanbu Kasei Co., Ltd." in Kusu-machi, Kusu-gun, Oita Prefecture.

2009

  • Acquisition of all shares of Excel Tokai Co., Ltd. in Gotemba City, Shizuoka Prefecture

  • Delisting from the Jasdaq Securities Exchange

2010

  • Acquisition of 80.1% of the shares of PT. Standard Indonesia Industry

2017

  • Relocation of the "Tokyo Sales Office" to Nihonbashi, Chuo-ku, Tokyo

2021

  • Opening of the "Fujieda Business Office" in Fujieda City, Shizuoka Prefecture