Seiko Epson had 42 patents in advanced materials during Q1 2024. Seiko Epson Corp filed patents in Q1 2024 for a liquid ejecting head with compliance portions in the common flow path, a material discharge device with measurement units in the nozzle channel wall, a liquid ejection apparatus with a drive signal generation unit for residual vibration detection, and a liquid ejecting head with a filter in the common flow passage. These inventions aim to improve liquid ejection efficiency and accuracy in various applications. GlobalData’s report on Seiko Epson gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Seiko Epson grant share with advanced materials as a theme is 76% in Q1 2024. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Liquid ejecting head and liquid ejecting apparatus (Patent ID: US20240066861A1)
The patent filed by Seiko Epson Corp. describes a liquid ejecting head with a common flow path and individual flow paths, each including a pressure chamber and nozzle. The invention includes compliance portions on opposite sides of the coupling area in the common flow path, with varying compliance performance and Young's modulus. The overlapping portions of the compliance portions partially overlap in a specific direction, enhancing the functionality of the liquid ejecting head.
Furthermore, the liquid ejecting head may have additional compliance portions in the discharge-side common flow path, with varying compliance performance compared to the compliance portions in the supply-side common flow path. The invention also covers a liquid ejecting apparatus incorporating the described liquid ejecting head and a controller for controlling the ejection operation. Overall, the patent focuses on improving the efficiency and performance of liquid ejecting heads through strategically designed compliance portions in the common flow path.
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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.
