
CHOFU SEISAKUSHO CO.,LTD. — Investor Relations & Filings
Chofu Seisakusho Co., Ltd. is a manufacturer specializing in residential climate control and water heating systems. Established in 1954, the company develops, produces, and sells a diverse range of products including water heaters, air conditioners, heat pump systems, and solar equipment. A key innovator in the field, Chofu Seisakusho was the first to manufacture oil-fired instantaneous boilers in its domestic market in 1971 and has since secured a leading market share in this category. The company is distinguished by its ability to produce water heaters that utilize all primary energy sources: oil, gas, electricity, and solar power.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 確認書 | 2026-03-18 | Japanese | |
| 有価証券報告書-第72期(2025/01/01-2025/12/31) | 2026-03-18 | Japanese | |
| 確認書 | 2025-08-08 | Japanese | |
| 半期報告書-第72期(2025/01/01-2025/12/31) | 2025-08-08 | Japanese | |
| 臨時報告書 | 2025-03-27 | Japanese | |
| 内部統制報告書-第71期(2024/01/01-2024/12/31) | 2025-03-27 | Japanese |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
2 filings
| |||||
| 32969184 | 確認書 | 2026-03-18 | Japanese | ||
| 32969182 | 有価証券報告書-第72期(2025/01/01-2025/12/31) | 2026-03-18 | Japanese | ||
|
2025
6 filings
| |||||
| 7858958 | 確認書 | 2025-08-08 | Japanese | ||
| 7858959 | 半期報告書-第72期(2025/01/01-2025/12/31) | 2025-08-08 | Japanese | ||
| 7271178 | 臨時報告書 | 2025-03-27 | Japanese | ||
| 7271176 | 内部統制報告書-第71期(2024/01/01-2024/12/31) | 2025-03-27 | Japanese | ||
| 7271177 | 有価証券報告書-第71期(2024/01/01-2024/12/31) | 2025-03-27 | Japanese | ||
| 7271173 | 確認書 | 2025-03-27 | Japanese | ||
|
2024
7 filings
| |||||
| 7313088 | 半期報告書-第71期(2024/01/01-2024/12/31) | 2024-08-09 | Japanese | ||
| 7313083 | 確認書 | 2024-08-09 | Japanese | ||
| 7337712 | 訂正有価証券届出書(参照方式) | 2024-05-14 | Japanese | ||
| 7337600 | 確認書 | 2024-05-14 | Japanese | ||
| 7337595 | 四半期報告書-第71期第1四半期(2024/01/01-2024/03/31) | 2024-05-14 | Japanese | ||
| 7339326 | 有価証券届出書(参照方式) | 2024-05-10 | Japanese | ||
| 7342455 | 臨時報告書 | 2024-04-02 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of ovens, furnaces and permanent household heating equipment
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CHOFU SEISAKUSHO 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/11777/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11777 | 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=11777 | 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=11777 \ -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": 11777}, 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 CHOFU SEISAKUSHO CO.,LTD. (id: 11777)"
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