SK-Electronics CO.,LTD.
6677・Standard Market・Electric Appliances
Business
SK Electronics Co., Ltd. was established in 2001 through a corporate split of the electronics business division of Shashin Kagaku Co., Ltd. Its core business is the design, manufacture, and sale of photomasks essential to the manufacturing processes of LCD and OLED panels used in smartphones, PCs, flat-screen TVs, and other products. The company has built a global operating structure with consolidated subsidiaries in Taiwan, South Korea, and China, and counts major panel makers in China, South Korea, and Taiwan—including BOE, TCL CSOT, Samsung Display Japan, and Tianma Microelectronics—among its principal customers. In May 2025, the company made Asahi Tec Corporation a subsidiary, newly adding the Screen Mask business for automotive glass and the Metal Mask business for semiconductor packaging, thereby diversifying its business portfolio. The company is listed on the Standard Market of the Tokyo Stock Exchange.
Business Model
Leverages a structure in which new photomask orders arise each time LCD/OLED panel makers develop new products, launch mass production, or establish new manufacturing lines. Products are manufactured at the Kyoto Plant and Shiga Plant in Japan and at the Taiwanese subsidiary, and supplied to major Asian panel makers through sales bases in Taiwan, South Korea, and China. The company continuously carries out capital expenditure to enhance its capability to handle high-definition requirements, securing orders by meeting customers' technical demands. In FY2025 (ended September 2025), the operating margin of the Large Photomask Business was 14.6%. The company maintains a financially sound model in which working capital and capital expenditure funds are covered mainly by internal funds.
Company Strengths
Completed the world's first Generation 8-compatible plant in 2005, and the world's first Generation 10/11-compatible Shiga Plant in 2008. In 2009, began production and shipment of the world's first Generation 10 photomasks. This track record of advance investment to support the most advanced generations underpins the company's ability to capture demand from panel manufacturers for high-precision, high-definition photomasks.
The company has consolidated subsidiaries in three countries—Taiwan (頂正科技股份有限公司), South Korea (SKE KOREA CO., LTD.), and China (愛史科電子貿易(上海)有限公司)—establishing a direct sales structure to major Asian panel manufacturers. In FY2025 (ending September 2025), the top four customers alone—BOE, TCL CSOT, Samsung Display Japan, and Tianma Microelectronics—accounted for approximately 69% of net sales, reflecting a stable customer base.
As of the end of FY2025 (ending September 2025), the equity ratio stood at 81.4% (up 0.3 points year on year), with cash and cash equivalents of ¥9,684 million. While funding capital expenditures mainly from internal resources, operating cash flow in FY2025 (ending September 2025) increased substantially to ¥5,133 million from ¥3,889 million in the previous fiscal year, achieving both financial soundness and investment capacity.
ENVALITH's Perspective
Performance Trend
Revenue for the first half of FY2026 (ending September 2026) (October 2025 to March 2026) was ¥14,359 million (up 0.6% year on year), operating profit was ¥2,354 million (up 10.0%), ordinary profit was ¥2,672 million (up 15.8%), and interim net profit attributable to owners of the parent was ¥1,837 million (up 10.6%). However, operating profit was boosted by ¥969 million due to a change in accounting estimate that extended the useful life of machinery and equipment from 5 years to 10 years, and EBITDA was ¥3,195 million (down 12.0% year on year), indicating an underlying trend of declining profit in substance. The Large Photomask Business posted revenue of ¥13,911 million (down 2.3%) but improved profitability with operating profit of ¥2,474 million (up 8.8%). The newly consolidated Screen Mask / Metal Mask Business contributed revenue of ¥412 million and operating profit of ¥34 million. In terms of financial position, total assets stood at ¥43,271 million, net assets at ¥35,601 million, and the equity ratio at 82.3%, remaining sound. Looking at annual results over the past five fiscal years, performance peaked in FY2023, declined in both revenue and profit in FY2024, then recovered in FY2025 to revenue of ¥29,187 million and operating profit of ¥3,854 million; the full-year forecast for FY2026 (revenue of ¥30,500 million and operating profit of ¥4,600 million) aims to reach a new record high.
Growth Strategy
Three pillars of strengthening the profitability of core businesses, cultivating new businesses, and expanding the business portfolio through M&A
Capital investment continues in order to capture demand for high-definition, high-function photomasks for 8th-generation OLED panel plants as well as for automotive and IT products. Capital expenditures on tangible fixed assets during the interim period were ¥2,122 million, and construction in progress surged from ¥861 million to ¥2,882 million, reflecting ongoing investment to meet next-generation demand.
This newly established segment, resulting from the consolidation of Asahi Tech Co., Ltd., recorded net sales of ¥412 million and operating profit of ¥34 million in the interim period of FY2026 (ending September 2026). Against a backdrop of growing demand for Screen Masks for automotive glass and Metal Masks for semiconductor packages, the company aims to develop this into a second earnings pillar following the Large Photomask Business.
The company is cultivating this business, centered on the RFID field's "Extreme Tag," but net sales in the interim period of FY2026 (ending September 2026) were ¥35 million (down 8.8% year on year), with an operating loss of ¥154 million continuing. The decline in Extreme Tag sales has weighed on results, and the path toward profitability remains unclear.
Last updated: July 17, 2026