Canon had 21 patents in 3D printing during Q4 2023. Canon Inc filed a patent for a curable resin composition including a specific curable resin, curing agent, polyhydric alcohol, and a cyclic compound or oxetane compound. Another patent was filed for a sculpted object formed from a cured product of a photocurable resin composition, featuring a support removal trace with higher surface roughness than the sculpted surface. GlobalData’s report on Canon gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Canon grant share with 3D printing as a theme is 66% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Curable resin composition (Patent ID: US20230357488A1)
The patent filed by Canon Inc. describes a curable resin composition for manufacturing three-dimensional shaped articles. The composition includes a specific curable resin, a curing agent, and a polyhydric alcohol with 2 to 5 hydroxyl groups. Additionally, the composition may contain a cyclic compound with 3 to 6 reactive groups or a specific oxetane compound in a defined mass ratio.
The method outlined in the patent involves preparing the curable resin composition, forming layers based on slice data, photocuring the layers to shape the article, and removing excess resin. The viscosity of the composition at 25°C, the inclusion of oxetane compounds, cation-polymerizable compounds, and specific molecular structures are key aspects of the patented method. The use of polyhydric alcohols, cyclic compounds, and oxetane compounds with defined characteristics contributes to the unique properties of the resin composition for creating intricate three-dimensional shapes efficiently.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
