
NIKKEN KOGAKU CO., LTD. — Investor Relations & Filings
NIKKEN KOGAKU CO., LTD. specializes in the development and sale of civil engineering products, with a primary focus on coastal protection and preservation. The company manufactures a range of specialized concrete blocks, including wave-dissipating blocks like RAKUNA-IV and the high-stability SANREN GRASP, designed for challenging marine environments. It also produces armor blocks such as STONE-BLOCK for revetments and artificial reefs. A key innovation is the Environmentally Active Concrete (EAC), developed in collaboration with academic and industry partners to promote marine algae growth. In addition to its concrete products, the company provides high-precision steel formworks through sales and lending. The company emphasizes research and development, holding over 800 patents and engaging in joint research projects.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 確認書 | 2025-11-14 | Japanese | |
| 半期報告書-第63期(2025/04/01-2025/09/30) | 2025-11-14 | Japanese | |
| 臨時報告書 | 2025-06-30 | Japanese | |
| 内部統制報告書-第62期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese | |
| 確認書 | 2025-06-25 | Japanese | |
| 有価証券報告書-第62期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese |
Browse filings by year
11 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2025
6 filings
| |||||
| 8307815 | 確認書 | 2025-11-14 | Japanese | ||
| 8307809 | 半期報告書-第63期(2025/04/01-2025/09/30) | 2025-11-14 | Japanese | ||
| 7243525 | 臨時報告書 | 2025-06-30 | Japanese | ||
| 7249855 | 内部統制報告書-第62期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese | ||
| 7249848 | 確認書 | 2025-06-25 | Japanese | ||
| 7249849 | 有価証券報告書-第62期(2024/04/01-2025/03/31) | 2025-06-25 | Japanese | ||
|
2024
8 filings
| |||||
| 7295573 | 確認書 | 2024-11-14 | Japanese | ||
| 7295564 | 半期報告書-第62期(2024/04/01-2025/03/31) | 2024-11-14 | Japanese | ||
| 7320376 | 臨時報告書 | 2024-06-28 | Japanese | ||
| 7322785 | 内部統制報告書-第61期(2023/04/01-2024/03/31) | 2024-06-27 | Japanese | ||
| 7322781 | 確認書 | 2024-06-27 | Japanese | ||
| 7322782 | 有価証券報告書-第61期(2023/04/01-2024/03/31) | 2024-06-27 | Japanese | ||
| 7350140 | 確認書 | 2024-02-14 | Japanese | ||
| 7350138 | 四半期報告書-第61期第3四半期(2023/10/01-2023/12/31) | 2024-02-14 | Japanese | ||
|
2023
1 filing
| |||||
| 7537578 | 確認書 | 2023-11-13 | Japanese | ||
Market data
Market data not available
Price history
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NIKKEN KOGAKU 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/10970/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=10970 | 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=10970 | 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=10970 \ -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": 10970}, 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 NIKKEN KOGAKU CO., LTD. (id: 10970)"
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