Idemitsu Kosan Co.,Ltd. — Investor Relations & Filings
Idemitsu Kosan is an integrated energy and materials company. Its core operations encompass the refining and marketing of petroleum products through an extensive service station network, alongside the production of basic chemicals derived from its refining processes. The company's resource division develops oil, natural gas, coal, and geothermal energy assets. In parallel, Idemitsu is advancing its functional materials business, developing high-performance products such as materials for next-generation batteries. The company also manages a diverse power generation portfolio, including solar, wind, biomass, and natural gas facilities, supplying electricity to wholesale and retail customers. A key strategic focus is the transition toward carbon neutrality through the development of sustainable aviation fuel (SAF), synthetic fuels, and other low-carbon solutions.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 確認書 | 2022-09-29 | Japanese | |
| 訂正有価証券報告書－第107期(令和3年4月1日－令和4年3月31日) | 2022-09-29 | Japanese | |
| 確認書 | 2022-08-10 | Japanese | |
| 四半期報告書－第108期第1四半期(令和4年4月1日－令和4年6月30日) | 2022-08-10 | Japanese | |
| 確認書 | 2022-06-23 | Japanese | |
| 内部統制報告書－第107期(令和3年4月1日－令和4年3月31日) | 2022-06-23 | Japanese |
Browse filings by year
12 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2022
8 filings
| |||||
| 7589026 | 確認書 | 2022-09-29 | Japanese | ||
| 7589022 | 訂正有価証券報告書－第107期(令和3年4月1日－令和4年3月31日) | 2022-09-29 | Japanese | ||
| 7593867 | 確認書 | 2022-08-10 | Japanese | ||
| 7593827 | 四半期報告書－第108期第1四半期(令和4年4月1日－令和4年6月30日) | 2022-08-10 | Japanese | ||
| 7603956 | 確認書 | 2022-06-23 | Japanese | ||
| 7603952 | 内部統制報告書－第107期(令和3年4月1日－令和4年3月31日) | 2022-06-23 | Japanese | ||
| 7603953 | 有価証券報告書－第107期(令和3年4月1日－令和4年3月31日) | 2022-06-23 | Japanese | ||
| 7618232 | 四半期報告書－第107期第3四半期(令和3年10月1日－令和3年12月31日) | 2022-02-09 | Japanese | ||
|
2021
7 filings
| |||||
| 7624249 | 四半期報告書－第107期第2四半期(令和3年7月1日－令和3年9月30日) | 2021-11-10 | Japanese | ||
| 7661799 | 四半期報告書－第107期第1四半期(令和3年4月1日－令和3年6月30日) | 2021-08-10 | Japanese | ||
| 7669516 | 内部統制報告書－第106期(令和2年4月1日－令和3年3月31日) | 2021-06-23 | Japanese | ||
| 7669508 | 確認書 | 2021-06-23 | Japanese | ||
| 7669498 | 有価証券報告書－第106期(令和2年4月1日－令和3年3月31日) | 2021-06-23 | Japanese | ||
| 7675243 | 公開買付報告書 | 2021-02-16 | Japanese | ||
| 7677032 | 四半期報告書－第106期第3四半期(令和2年10月1日－令和2年12月31日) | 2021-02-10 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of refined petroleum products; manufacture of fossil fuel products
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Idemitsu Kosan 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/11451/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11451 | 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=11451 | 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=11451 \ -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": 11451}, 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 Idemitsu Kosan Co.,Ltd. (id: 11451)"
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