Introduction: Nozomi Toki is a distinguished inventor based in Saitama, Japan, renowned for her contributions to the field of piezoelectric technology. With an impressive portfolio of 15 patents to her name, she is an influential figure in the realm of acoustic devices and electronic apparatuses.

Latest Patents: Among her latest innovations are two notable patents: the "Piezoelectric Acoustic Device" and the "Piezoelectric Actuator and Electronic Apparatus." The piezoelectric acoustic device is designed with at least two piezoelectric actuators, housed within a supportive structure, and is equipped with a signal input unit that triggers the actuators at designated times. A distinctive feature of this invention is the arrangement of the actuators, where their sound radiation surfaces are strategically aligned to face one another with a predetermined gap.

The piezoelectric actuator focuses on a piezoelectric element that expands and contracts in response to an electrical field. It features a base that adheres to this element and a support member that holds both the piezoelectric element and base in place. The unique design allows for vertical vibrations as the piezoelectric element utilizes its expansion and contraction capabilities. The coupling between the base and support member is achieved through a vibration film that offers less rigidity than the base itself, further enhancing its functionality.

Career Highlights: Toki has had a significant impact on various companies throughout her career, including her tenure at NEC Corporation. Her work at NEC has been instrumental in advancing the capabilities and applications of piezoelectric technology, fostering innovation in the field.

Collaborations: During her career, Nozomi collaborated with esteemed colleagues, notably Yasuhiro Sasaki and Yasuharu Onishi. Their collaborative efforts have led to substantial advancements in their shared field of expertise, further solidifying Toki's reputation as a leading inventor.

Conclusion: Nozomi Toki's journey in the world of innovation is a testament to her dedication and expertise in piezoelectric technology. With her continuous development of groundbreaking inventions, she not only contributes to the scientific community but also inspires future generations of inventors striving for excellence in their fields.

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