Ricoh had 19 patents in 3D printing during Q2 2024. The patent filed by Ricoh Co Ltd in Q2 2024 is for a three-dimensional fabrication apparatus that includes a fabrication section, liquid discharge unit, housing, and gas replacer. This apparatus is designed to create fabrication layers by forming powder layers with a fabrication material and discharging a fabrication liquid onto the powder layer. The gas replacer generates and supplies a laminar flow of a predetermined gas to replace the ambient gas in the internal space of the housing. GlobalData’s report on Ricoh gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Ricoh had no grants in 3D printing as a theme in Q2 2024.
Recent Patents
Application: Three-dimensional fabrication apparatus and three-dimensional fabrication method (Patent ID: US20240173776A1)
The patent filed by Ricoh Co Ltd. describes a three-dimensional fabrication apparatus that includes a fabrication section, a liquid discharge unit, a housing, and a gas replacer. The fabrication section forms a powder layer with a fabrication material, while the liquid discharge unit discharges a fabrication liquid onto the powder layer to form a fabrication layer. The housing accommodates at least one of these components, and the gas replacer generates and supplies a laminar flow of a predetermined gas into the housing's internal space to replace the ambient gas with the predetermined gas.
The apparatus includes various claims related to the gas replacer, such as forming a boundary layer between the predetermined gas and the air in the internal space, using a gas supplier, gas rectifier, and exhaust to manage the flow of gases, and introducing gases like nitrogen, helium, neon, argon, and carbon dioxide. Additionally, the apparatus features components like a storage hopper for supplying fabrication material, a liquid discharge head with a nozzle, a heating unit for lamination, a removal unit for excess material, a degreasing unit, and a sintering unit. The method described involves forming a powder layer, discharging a fabrication liquid, and replacing the ambient gas with a predetermined gas in the fabrication area.
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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.
