- CEO
- Hisatsugu Ishizuka
- Full Time Employees
- 1,880
- Sector
- Process industries
- Industry
- Containers/Packaging
- Address
- 1880, Kawai-cho Iwakura AI Japan 482-8510
- IPO Date
- Jul 1, 1961
- Business
- Ishizuka Glass Co., Ltd. is a Japan-based company primarily engaged in the manufacture and sale of glass container-related products, houseware-related products, and packaging goods. Founded in 1819 and incorporated in 1941, the company offers a comprehensive product lineup that includes glass bottles for food and beverages; glass tableware such as decorative, pressed, and blown glass; paper packaging products; plastic containers; and ceramic products. Ishizuka operates manufacturing plants exclusively in Japan, emphasizing the "Made in Japan" principle to maintain high-quality standards across its portfolio. The company serves various markets including food and drink packaging, household goods, and specialty glass for medical and electronics applications through its advanced glass-based materials.
Recently, Ishizuka Glass has focused on strategic diversification to improve profitability amid increasing competition in the packaging market. Notably, the company acquired Narumi Corporation, a ceramics manufacturer, in 2015 to expand its product offerings and enhance its international sales footprint. Ishizuka continues to innovate with new product launches, such as the "Retro Arrange" glassware line introduced in 2025, and invests in advanced glass technologies like IONPURE—an antimicrobial glass compound aimed at automotive, food, medical, and electronics industries. The company is pursuing partnerships and aiming for overseas market expansion while maintaining all production in Japan to ensure premium quality and craftsmanship. It targets to increase operating profit margin by shifting focus towards specialized, high-value products beyond traditional packaging.
Ishizuka Glass operates across Japan with business offices in Tokyo, Nagoya, Osaka, and Fukuoka, and manufacturing facilities in Iwakura, Himeji, and Fukusaki. With around 2,200 consolidated employees, the company trades on the Tokyo and Nagoya Stock Exchanges under ticker 5204.T. Ishizuka Glass is recognized in the containers and packaging industry and is committed to innovation and quality in its extensive range of glass and ceramic products for both domestic and international markets. The company holds a leadership position in Japan’s glass manufacturing sector and continues evolving through strategic acquisitions, product innovation, and expansion into new business segments.