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RS Technologies Co.,Ltd. — Investor Relations & Filings

Ticker · 3445 ISIN · JP3100350002 T Manufacturing
Open in API
Filings indexed 97 across all filing types
Latest filing 2026-06-19 Capital/Financing Update
Country JP Japan
Listing T 3445

About RS Technologies Co.,Ltd.

https://www.rs-tec.jp/en/

RS Technologies Co., Ltd. specializes in materials and services for the semiconductor manufacturing sector. The company's core operations include the reclamation and sale of silicon wafers, processing used test wafers for reuse in production lines. In addition to its reclamation business, the company manufactures and sells new prime silicon wafers, primarily in 5-inch, 6-inch, and 8-inch diameters. Its product portfolio also extends to essential components for semiconductor manufacturing equipment, such as quartz glass and monocrystalline and polycrystalline silicon parts. Further services include film coating for wafers and the supply of monitor and dummy wafers to support various fabrication processes.

Recent filings

Filing Released Lang Actions
系統用蓄電事業への出資参画に関するお知らせ
Capital/Financing Update Classification · 95% confidence The document is an announcement about the company's decision to participate by investing in a grid storage business through a special purpose company (SPC). It includes details about the investment amount, schedule, and business purpose. It is not a financial report or earnings release, nor does it contain financial statements or audit information. The document is short (1080 characters) and focuses on an investment participation update rather than a detailed report. This aligns best with a Capital/Financing Update (CAP) filing category, as it involves fundraising/investment activities and capital commitments.
2026-06-19 Japanese
臨時報告書
Regulatory Filings Classification · 95% confidence The document is titled 臨時報告書, which translates to 'Extraordinary Report' or 'Special Report', and is submitted to the Kanto Finance Bureau. It references the Japanese Financial Instruments and Exchange Act and Cabinet Office Ordinance disclosures, indicating a regulatory filing related to a material event affecting financial condition and business performance. The content describes a board resolution to invest in a special purpose company for a new business venture, specifying investment amount and operational plans without presenting financial statements or report data. The document length is short (1228 characters), and it serves as notification of an important capital investment decision rather than a full financial report or earnings release. Therefore, this fits best under Regulatory Filings (RNS) as a miscellaneous disclosure notice.
2026-06-19 Japanese
Notice Regarding Investment Participation in Grid-Scale Battery Energy Storage Project
Capital/Financing Update Classification · 95% confidence The document is a notice of a corporate decision to invest in a grid-scale battery energy storage project through a special purpose company. It includes details on the purpose, overview of the investment vehicle, investment ratio, capital contribution schedule, and planned operations commencement. There is no mention of financial statements, quarterly or annual results, nor is it an announcement of voting, remuneration, or management changes. The content relates to a capital investment and financing activity by the company. Hence, this notice corresponds to a Capital/Financing Update (CAP). The document length is under 5,000 characters, but the content describes a substantive financing decision rather than announcing publication of a report, so the fine distinction is considered. Therefore, the filing type is CAP with high confidence.
2026-06-19 English
Q&A Regarding Financial Results Briefing for the First Quarter of FY2026
Regulatory Filings
2026-05-14 English
FY2026/12 1Q Financial Result
Regulatory Filings
2026-05-14 English
[Summary] Consolidated Financial Results for the Three Months Ended March 31, 2026
Regulatory Filings
2026-05-14 English

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