Kyocera had 14 patents in advanced materials during Q2 2024. Kyocera Corp filed patents for liquid ejection apparatus with features like determining chamber filled state based on frequency of electric signal, detecting viscosity of liquid based on count of electric signal exceeding threshold, and restricting abnormality detection based on non-ejection period length. Another patent is for a signal generation device that generates drive signals with extended rise times and shifted fall timings for piezoelectric elements. GlobalData’s report on Kyocera gives a 360-degree view of the company including its patenting strategy. Buy the report here.

Kyocera had no grants in advanced materials as a theme in Q2 2024.

Recent Patents

Application: Liquid ejection apparatus and determination method capable of determining whether or not liquid filling of pressure chamber has been completed (Patent ID: US20240109308A1)

The liquid ejection apparatus described in the patent filed by Kyocera Corp includes a nozzle, pressure chamber, piezoelectric element, output processing portion, and determination processing portion. The apparatus functions by changing the pressure in the pressure chamber to eject liquid through the nozzle. The determination processing portion assesses whether the pressure chamber is filled with liquid based on the frequency of the electric signal output by the piezoelectric element in response to the drive signal.

Additionally, the apparatus includes a band-pass filter to remove specific frequency components from the electric signal, aiding in determining the filled state of the pressure chamber. Furthermore, a signal output portion generates a pulse signal when the filtered electric signal exceeds a threshold value, assisting in the determination process. The method executed by the liquid ejection apparatus involves outputting the electric signal corresponding to pressure chamber vibration and determining the filled state based on the frequency of this signal. This innovative technology enhances the efficiency and accuracy of liquid ejection processes by effectively monitoring the liquid-filled state of the pressure chamber.

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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.