Ricoh had 14 patents in advanced materials during Q4 2023. Ricoh Co Ltd filed patents for a liquid discharge head with a unique damper design, an ahead maintenance device for cleaning, a flexible circuit board for supplying signals to a piezoelectric element, and printheads with jetting channels for different print fluids controlled by a driver circuit. GlobalData’s report on Ricoh gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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Ricoh grant share with advanced materials as a theme is 14% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Liquid discharge head, liquid discharge device, and liquid discharge apparatus (Patent ID: US20230405991A1)
The liquid discharge head described in the patent filed by Ricoh Co Ltd. comprises a piezoelectric element housed within a first holding substrate with a recess, a first partition, and side spaces, as well as a second holding substrate with a wider second partition and side spaces. A damper is positioned between the two substrates, featuring a first surface facing the first substrate, a second surface bonded to the second partition of the second substrate, and a penetrating portion adjacent to the second partition. The damper is designed to provide specific compliance and Young's modulus, with the option of multiple layers in the thickness direction for enhanced performance.
Furthermore, the patent includes various claims related to the construction and bonding of the components within the liquid discharge head, such as using adhesive with fillers for secure attachment, positioning the penetrating portion in specific locations for optimal functionality, and ensuring the dimensions of the damper are suitable for accommodating the fillers. The patent also extends to liquid discharge devices and apparatus incorporating this innovative liquid discharge head design, offering a comprehensive solution for improved liquid discharge performance in various applications.
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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.
