Company Filing History:
Years Active: 2013-2021
Title: Yasumi Ikehara: Innovator in Piezoelectric Technology
Introduction
Yasumi Ikehara is a notable inventor based in Suwa, Japan. She has made significant contributions to the field of piezoelectric technology, holding a total of 3 patents. Her work has been instrumental in advancing the capabilities of liquid discharge heads and printers.
Latest Patents
Ikehara's latest patents include a piezoelectric element, a liquid discharge head, and a printer. The piezoelectric element features a first electrode and a second electrode, with a piezoelectric layer situated between them. This layer contains a complex oxide with a perovskite structure, incorporating potassium, sodium, and niobium. Notably, the standard deviation of sodium atom concentrations across eight regions of the piezoelectric layer is 0.140 or less. Each region is a square measuring 150 nm in both thickness and orthogonal directions, aligned accordingly.
The liquid ejecting head patent describes a pressure generation chamber that communicates with a nozzle opening. It includes a vibrating wall that ejects liquid from the nozzle. Additionally, a resin portion with a recessed arc-shape is formed in a corner of the pressure generation chamber. This resin material has a Young's modulus of less than or equal to 10 GPa, and the ratio of the radius of the resin surface to the width of the pressure chamber is carefully defined.
Career Highlights
Yasumi Ikehara is currently employed at Seiko Epson Corporation, where she continues to innovate in her field. Her work has garnered attention for its technical depth and practical applications in modern printing technology.
Collaborations
Ikehara has collaborated with notable coworkers, including Hiroshi Ito and Jiro Kato, contributing to a dynamic team focused on advancing piezoelectric technologies.
Conclusion
Yasumi Ikehara's contributions to piezoelectric technology and her innovative patents highlight her role as a leading inventor in her field. Her work continues to influence advancements in liquid discharge technology and printing solutions.