June 1, 2026 Nippon Electric Glass Co., Ltd.
Nippon Electric Glass Co., Ltd. (“NEG”) is pleased to announce that we have entered into a strategic business and capital alliance with YOKOWO CO., LTD. (hereinafter referred to as “YOKOWO”).
- Background and Objectives
NEG develops, manufactures, and sells a wide range of specialty glass products. In the field of electronic devices, NEG provides various glass products, primarily for the semiconductor and information and communications sectors. In particular, NEG is actively pursuing product development and business expansion utilizing LTCC technology. NEG conducts its LTCC business through LTCC Materials Co., Ltd., a joint venture established with YOKOWO (70% owned by NEG and 30% by YOKOWO).
NEG develops, manufactures, and sells a wide range of glass products for electronic devices, primarily in the semiconductor and information and communications sectors, and is actively pursuing product development and business expansion utilizing LTCC technology. We are jointly developing the LTCC business with YOKOWO through LTCC Materials Co., Ltd., a company established as a joint venture (70% owned by NEG and 30% by YOKOWO).
NEG and YOKOWO have decided to enter into a business and capital alliance with the aim of accelerating the development of new products and technologies, primarily in the semiconductor and information and communications sectors, by further strengthening our collaboration. Through this alliance, we will combine NEG’s diverse materials development technologies with YOKOWO’s advanced device development technologies to drive the development of high-value-added products and business expansion, thereby further strengthening our competitiveness in growth sectors.
- Partners
Company Name
YOKOWO CO., LTD. (Securities Code: 6800)
Head Office Address
1-25 Kandasuda-cho, Chiyoda-ku, Tokyo
Representative
Katsuhei Yanagisawa, Representative Director and President
Number of employees
8,792 (consolidated/as of March 31, 2026)
Capital
7.8 billion yen (as of March 31, 2026)
- Overview of the Partnership
Business Alliance
Business related to the joint development and commercialization of technologies and products used in test substrates, evaluation substrates, and test tools for semiconductor and optoelectronic integration devices utilizing LTCC substrates and glass interposers
Business related to the joint development and commercialization of antennas and related technologies for 5G and 6G
Other business agreed upon by both companies
Capital Alliance
With the aim of building a stronger, long-term partnership through this business alliance, NEG and YOKOWO have each acquired shares in the other company, up to a total of 500 million yen, as of today.
Date of Partnership April 1, 2026
*LTCC: Low-Temperature Co-fired Ceramics. A type of multilayer ceramic circuit board that uses silver or copper—materials with low electrical resistance—as conductors.
*Interposer: An intermediate substrate used to connect multiple semiconductor chips (chiplets). Using an interposer shortens the wiring distance between chips, enabling high-density connections and high-speed data transmission.
Nippon Electric Glass Co., Ltd. 7-1 Seiran 2-chome, Otsu, Shiga 520-8639, Japan
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