
Nippon Seisen Co., Ltd. — Investor Relations & Filings
Nippon Seisen Co., Ltd. is a leading manufacturer specializing in high-performance stainless steel wires, metal fibers, and advanced metal filters. The company's extensive product portfolio includes various types of stainless steel wires such as spring, micro, and high-alloy wires, which are utilized in critical applications across the automotive, aerospace, electronics, and medical industries. In its filter division, Nippon Seisen focuses on products like semiconductor gas filters, notable for being a company that manages the entire production process from raw material to finished product internally. Leveraging its core "Micro&Fine Technology," the company develops materials that are thinner, stronger, and more precise, while also innovating in areas like hydrogen separation membranes and specialized alloys.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 四半期報告書-第89期第3四半期(2018/10/01-2018/12/31) | 2019-02-08 | Japanese | |
| 四半期報告書-第89期第2四半期(2018/07/01-2018/09/30) | 2018-11-09 | Japanese | |
| 四半期報告書-第89期第1四半期(2018/04/01-2018/06/30) | 2018-08-10 | Japanese | |
| 有価証券報告書-第88期(平成29年4月1日-平成30年3月31日) | 2018-06-29 | Japanese | |
| 四半期報告書-第88期第3四半期(2017/10/01-2017/12/31) | 2018-02-09 | Japanese | |
| 四半期報告書-第88期第2四半期(2017/07/01-2017/09/30) | 2017-11-10 | Japanese |
Browse filings by year
11 yearsMarket data
Market data not available
Price history
Peer group · Manufacture of basic iron and steel
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Nippon Seisen Co., Ltd. via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/11565/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11565 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=11565 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=11565 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 11565}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Nippon Seisen Co., Ltd. (id: 11565)"
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