Ricoh’s patented image reading device includes a reader, transparent member, opposing member, and conveyance rotators. The circuitry controls the conveyance speeds of cleaning sheets to ensure contact with the transparent and opposing members. This innovation enhances the cleaning process for optimal image quality. 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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According to GlobalData’s company profile on Ricoh, E-transaction user interfaces was a key innovation area identified from patents. Ricoh's grant share as of May 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.
Image reading device with cleaning sheet for transparent member
The granted patent (Publication Number: US12003678B2) discloses an image reading device with unique features. The device includes a reader for reading a sheet, a transparent member, an opposing member, and conveyance rotators to move a cleaning sheet at different speeds. The cleaning sheet is brought into contact with either the transparent member or the opposing member, with the transparent member contacting one face and the opposing member contacting the other face of the cleaning sheet.
Additionally, the image reading device may include sheet stackers for both the image sheet and the cleaning sheet, sheet feeders, brushes on the cleaning sheet, and different brushes on each face of the cleaning sheet. The device can also utilize the image sheet itself as the cleaning sheet, with the transparent member or opposing member contacting the image sheet. Furthermore, the opposing member can have both a black and white surface. The patent also covers an image forming apparatus incorporating the image reading device and a fixing unit, with the image reading device positioned downstream from the fixing unit for efficient operation.
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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.
