Products

METAL FINISHING

We provide surface-treatment chemicals for semiconductor wafers, semiconductor packaging substrates, printed circuit boards, aluminum, and plastics, as well as chemicals for anodizing, corrosion-resistant plating, and other high-performance plating applications. For each application, we recommend the optimal process and equipment.
Our products are used worldwide in smartphones, headphones, cameras, automobiles, and home appliances.
We are also actively developing environmentally responsible products.

INORGANIC MATERIALS

Okuno Chemical Industries's GLASS COLOR (firing glass enamels) are widely used on glass bottles, drinkware, and in automotive applications. We hold top market share for beverage bottles in Japan, and our automotive products are used across many vehicle models.
Leveraging decades of glass expertise, we offer high-performance materials for automotive and electronic components, including glass frits and glass pastes for advanced electronic devices, and silica-based coatings that deliver excellent water resistance and electrical insulation for metals and magnetic powders.

FOOD

We were the first company in Japan to successfully industrialize baking powder, and we hold a leading share of Japan's shel-life improver market.
OKUNO develops, manufactures, and sells shelf-life improvers that have evolved alongside the growth of convenience stores, as well as quality improvers that meet the growing demand for ready-to-eat foods. Through these products, we help customers achieve both great taste and safety, and we focus on developing solutions that help reduce food loss.
With ISO 22000 certification and an expanding lineup of Halal-certified products, we provide strong support for our customers' global growth.Backed by more than 120 years of history, we apply the technology and expertise we've built in food to help create a more prosperous, cleaner way of life.