Name: Kohsai Co.,Ltd. Financial Filings and Reports
Creator: FinancialReports
License: https://financialreports.eu/terms/

Filings indexed 77 across all filing types

Latest filing 2017-10-24 Interim / Quarterly Rep…

Country JP Japan

Listing T 7878

About Kohsai Co.,Ltd.

https://www.kohsai-qq.co.jp/en/

Kohsai Co., Ltd. is a manufacturer specializing in jewelry and jewelry components. The company's core business involves the production and sale of high-quality jewelry parts, with a focus on earring parts, clasps, and forged rings. It also produces finished jewelry. Kohsai integrates traditional craftsmanship with state-of-the-art machining technologies to achieve both quality and quantity in its output. By operating its own factory, the company maintains complete control over the entire production process, enabling quality assurance, flexible response to customer demand, and mass production. The firm emphasizes the usability and reliability of its products, positioning itself as a technical jewelry company.

Recent filings

Filing	Released	Lang
訂正四半期報告書－第50期第2四半期(2016/05/01－2016/07/31) Interim / Quarterly Report Q2 2016	2017-10-24	Japanese
訂正四半期報告書－第50期第1四半期(2016/02/01－2016/04/30) Interim / Quarterly Report Q1 2016	2017-10-24	Japanese
訂正有価証券報告書－第49期(2015/02/01－2016/01/31) Annual Report FY 2016	2017-10-24	Japanese
四半期報告書－第51期第2四半期(2017/05/01－2017/07/31) Interim / Quarterly Report	2017-10-16	Japanese
訂正四半期報告書－第51期第1四半期(2017/02/01－2017/04/30) Regulatory Filings	2017-10-16	Japanese
訂正有価証券報告書－第50期(2016/02/01－2017/01/31) Regulatory Filings	2017-10-16	Japanese

Browse filings by year

12 years

	ID	Filing	Released	Lang
2017 12 filings
	7733675	訂正四半期報告書－第50期第2四半期(2016/05/01－2016/07/31) Interim / Quarterly Report Q2 2016	2017-10-24	Japanese
	7733674	訂正四半期報告書－第50期第1四半期(2016/02/01－2016/04/30) Interim / Quarterly Report Q1 2016	2017-10-24	Japanese
	7733676	訂正有価証券報告書－第49期(2015/02/01－2016/01/31) Annual Report FY 2016	2017-10-24	Japanese
	7733703	四半期報告書－第51期第2四半期(2017/05/01－2017/07/31) Interim / Quarterly Report	2017-10-16	Japanese
	7733701	訂正四半期報告書－第51期第1四半期(2017/02/01－2017/04/30) Regulatory Filings	2017-10-16	Japanese
	7733702	訂正有価証券報告書－第50期(2016/02/01－2017/01/31) Regulatory Filings	2017-10-16	Japanese
	7733699	訂正四半期報告書－第50期第3四半期(2016/08/01－2016/10/31) Regulatory Filings	2017-10-16	Japanese
	7733697	訂正四半期報告書－第50期第2四半期(2016/05/01－2016/07/31) Regulatory Filings	2017-10-16	Japanese
	7733698	訂正四半期報告書－第50期第1四半期(2016/02/01－2016/04/30) Regulatory Filings	2017-10-16	Japanese
	7733700	訂正有価証券報告書－第49期(2015/02/01－2016/01/31) Regulatory Filings	2017-10-16	Japanese
	7827684	四半期報告書－第51期第1四半期(2017/02/01－2017/04/30) Interim / Quarterly Report Q1 2017	2017-06-13	Japanese
	7828627	有価証券報告書－第50期(2016/02/01－2017/01/31) Annual Report FY 2017	2017-04-28	Japanese
2016 3 filings
	7836822	四半期報告書－第50期第3四半期(2016/08/01－2016/10/31) Interim / Quarterly Report	2016-12-14	Japanese
	7840078	四半期報告書－第50期第2四半期(2016/05/01－2016/07/31) Interim / Quarterly Report H1 2016	2016-09-14	Japanese
	7845524	四半期報告書－第50期第1四半期(2016/02/01－2016/04/30) Interim / Quarterly Report Q1 2016	2016-06-14	Japanese

Page 5 of 6

Prev … 3 4 5 6 Next

Market data

Market data not available

Peer group · Manufacture of jewellery and related articles

96 peers

Company	Ticker	Country	Sector
AJC Jewel Manufacturers Limited Designs and manufactures gold, diamond, and gemstone jewelr…	544425	IN	Manufacturing
Ashapuri Gold Ornament Limited Manufactures and wholesales antique gold jewelry for retail…	542579	IN	Manufacturing
Asian Star Co. Ltd. Vertically integrated diamond processor and manufacturer of…	ASTAR	IN	Manufacturing
Chong Fai Jewellery Group Holdings Company Limited Vertically integrated jeweller designing, producing, retail…	8537	HK	Manufacturing
Chow Sang Sang Holdings International Limited Primarily engaged in the manufacture and retail of fine jew…	116	HK	Manufacturing
Chow Tai Fook Jewellery Group Limited Global Chinese luxury group specializing in the design, man…	1929	KY	Manufacturing
Compagnie Financière Richemont SA A luxury goods group managing brands in jewellery, speciali…	CFR	CH	Manufacturing
Công ty Cổ phần Vàng bạc Đá quý Phú Nhuận Leading manufacturer and retailer of jewelry, watches, fash…	PNJ	VN	Manufacturing
Continental Holdings Limited Investment holding company focused on the design, manufactu…	513	HK	Manufacturing
Crossfor Co.,Ltd Jewelry manufacturer specializing in patented technologies …	7810	JP	Manufacturing

Page 1 of 10

Kohsai 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.

Get API access Read API reference

Base URLapi.financialreports.eu

Auth headerx-api-key

Company ID12228

Ticker7878

ISINJP3287600005

Endpoints

most-used routes for this company

GET	/api/companies/12228/	Company identity, sector, listing, identifiers
GET	/api/filings/?company=12228	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=12228	All ISINs registered to this company
GET	/api/filing-types/	Reference: every filing-type code + category

Full reference: API reference · OpenAPI schema

cURL

latest filings for Kohsai Co.,Ltd.

$ curl https://api.financialreports.eu/api/filings/?company=12228 \
    -H "x-api-key: $FR_API_KEY" \
    -H "Accept: application/json"

Python

requests

import requests

r = requests.get(
    "https://api.financialreports.eu/api/filings/",
    params={"company": 12228},
    headers={"x-api-key": API_KEY},
)
filings = r.json()["results"]

MCP server

Claude · Claude Code · ChatGPT

Claude setup ChatGPT setup Claude Code setup

// MCP server URL
https://mcp.financialfilings.com/mcp

// Once connected, the LLM can query this company directly:
"Pull the latest 5 filings for Kohsai Co.,Ltd. (id: 12228)"

Kohsai Co.,Ltd. — Investor Relations & Filings