Towa Pharmaceutical has been granted a patent for a method of resin supply that involves a two-step cartridge replacement process. This method ensures efficient resin delivery by measuring the remaining liquid in the first cartridge and seamlessly transitioning to a second cartridge to maintain supply continuity. GlobalData’s report on Towa Pharmaceutical gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Towa Pharmaceutical, Nanoparticle drug conjugates was a key innovation area identified from patents. Towa Pharmaceutical's grant share as of July 2024 was 33%. Grant share is based on the ratio of number of grants to total number of patents.
Method for efficient resin supply using cartridge replacement
The granted patent US12023826B2 outlines a method for supplying liquid resin, which involves a series of operations to ensure efficient and accurate delivery to a supply target. The process begins with discharging liquid resin from a first cartridge, which is pushed out using a rod. If the remaining amount in the first cartridge is less than the target supply amount, the method includes replacing it with a second cartridge that has already undergone a dripping-out process. This replacement occurs after measuring the remaining resin in the first cartridge, ensuring that the supply is continuous and that the second cartridge is ready for use. The method also specifies that the supply from the second cartridge can be initiated based on the stop location of the first cartridge's supply, with both locations defined using coordinates on a horizontal plane.
Additionally, the patent describes a resin molding apparatus that incorporates a molding die, a die clamping mechanism, and a liquid resin discharging mechanism. This apparatus is designed to facilitate the same liquid resin supply method, ensuring that the resin is delivered accurately and efficiently during the molding process. The controller within the apparatus manages the operations of the liquid resin discharging mechanism, including the measurement of the remaining resin in the first cartridge and the transition between cartridges. The claims emphasize the importance of checking the functionality of the second cartridge before supply, thereby enhancing the reliability of the resin delivery system in manufacturing resin molded products.
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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
