Company patents
Dorco Co., Ltd.
DORCO CO., LTD. shows a surprising shift in its patent strategy, with its historically significant "Coating & Surface Treatment" category, representing 7.0% of its portfolio, experiencing a sharp decline of -60.0% in 2025 and a complete halt so far in 2026. Concurrently, "Containers & Packaging" is emerging as a new focus, demonstrating a robust +100.0% growth in 2026 with 2 patents, despite only making up 2.8% of its total portfolio.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
143 US filings (since 2023) · 2 categories · 2 themes
Containers or packaging components featuring active mechanisms for controlled release, preparation, or delivery of their contents, such as liquids, bulk materials, volatile compounds, or single-serve portions.
Application of protective layers to improve the durability and longevity of components by enhancing resistance to wear, oxidation, or chemical degradation in demanding operational environments.
Patents
Showing 1-10 of 198