
COSEL CO.,LTD. — Investor Relations & Filings
COSEL CO., LTD. is a specialized designer and manufacturer of high-performance power conversion and noise filtering solutions. The company's core product portfolio consists of AC-DC power supplies, DC-DC converters, and Electromagnetic Interference (EMI) filters. These products are engineered for high reliability and performance in demanding environments. The power supply offerings encompass a wide range of form factors, including enclosed, open-frame, DIN rail, PCB mount, and configurable types, providing versatile solutions for various system integrations. COSEL serves a broad spectrum of industries with mission-critical applications, such as medical, factory automation, test and measurement, railway, network/communication, and alternative energy. The company is focused on delivering rugged and compact power solutions.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| (訂正)「連結子会社の異動(株式譲渡)に関するお知らせ」の一部訂正について | 2026-05-22 | Japanese | |
| 臨時報告書 | 2026-05-20 | Japanese | |
| 連結子会社の異動(株式譲渡)に関するお知らせ | 2026-05-20 | Japanese | |
| 確認書 | 2026-01-05 | Japanese | |
| 半期報告書-第57期(2025/05/21-2026/05/20) | 2026-01-05 | Japanese | |
| 訂正臨時報告書 | 2025-09-16 | Japanese |
Browse filings by year
12 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
5 filings
| |||||
| 46779456 | (訂正)「連結子会社の異動(株式譲渡)に関するお知らせ」の一部訂正について | 2026-05-22 | Japanese | ||
| 46582931 | 臨時報告書 | 2026-05-20 | Japanese | ||
| 46582835 | 連結子会社の異動(株式譲渡)に関するお知らせ | 2026-05-20 | Japanese | ||
| 12033819 | 確認書 | 2026-01-05 | Japanese | ||
| 12033815 | 半期報告書-第57期(2025/05/21-2026/05/20) | 2026-01-05 | Japanese | ||
|
2025
5 filings
| |||||
| 7855639 | 訂正臨時報告書 | 2025-09-16 | Japanese | ||
| 7859085 | 有価証券報告書-第56期(2024/05/21-2025/05/20) | 2025-08-07 | Japanese | ||
| 7859081 | 確認書 | 2025-08-07 | Japanese | ||
| 7289573 | 確認書 | 2025-01-06 | Japanese | ||
| 7289574 | 半期報告書-第56期(2024/05/21-2025/05/20) | 2025-01-06 | Japanese | ||
|
2024
5 filings
| |||||
| 7312710 | 臨時報告書 | 2024-08-09 | Japanese | ||
| 7312707 | 内部統制報告書-第55期(2023/05/21-2024/05/20) | 2024-08-09 | Japanese | ||
| 7312705 | 確認書 | 2024-08-09 | Japanese | ||
| 7312709 | 有価証券報告書-第55期(2023/05/21-2024/05/20) | 2024-08-09 | Japanese | ||
| 7332429 | 訂正有価証券届出書(参照方式) | 2024-06-19 | Japanese | ||
Market data
Market data not available
Price history
Peer group · Manufacture of other electronic components and boards
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
SEMTECH CORP
Supplier of analog and mixed-signal semiconductors, IoT sys…
|
SMTC | US | Manufacturing |
|
Senba Sensing Technology Co.,Ltd.
Produces photoelectric sensors for smart lighting, security…
|
300701 | CN | Manufacturing |
|
Sensata Technologies Holding plc
Develops sensing, electrical protection, control, and power…
|
ST | GB | Manufacturing |
|
Sensirion Holding AG
Develops and manufactures digital microsensors for environm…
|
SENS | CH | Manufacturing |
|
SENSORVIEW CO., LTD.
Develops mmWave and 5G components for communication, defens…
|
321370 | KR | Manufacturing |
|
SEOUL SEMICONDUCTOR CO., LTD.
Global manufacturer of LEDs and optical solutions for light…
|
046890 | KR | Manufacturing |
|
SEOUL VIOSYS CO., LTD.
A global compound semiconductor company specializing in UV …
|
092190 | KR | Manufacturing |
|
SEQUANS COMMUNICATIONS
Fabless semiconductor company designing chips and modules f…
|
SQNS | FR | Manufacturing |
|
SERONICS. CO., LTD.
Manufacturer and distributor of electronic components and s…
|
042600 | KR | Manufacturing |
|
SFA Semicon Co., Ltd
Provider of semiconductor back-end services, specializing i…
|
036540 | KR | Manufacturing |
COSEL 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/11898/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=11898 | 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=11898 | 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=11898 \ -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": 11898}, 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 COSEL CO.,LTD. (id: 11898)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.