Toru Ishii

Title: Toru Ishii: A Pioneer in Touch Input Devices and Sensors

Introduction: Toru Ishii, based in Hirakata, Japan, is an accomplished inventor known for his significant contributions to the fields of touch input technology and sensor design. With an impressive portfolio of 35 patents, Ishii has made notable strides in enhancing the precision and functionality of touch-based devices.

Latest Patents: Among Toru Ishii's latest innovations are the "Push Amount Detecting Sensor" and the "Touch Input Device." The touch input device features a sophisticated architecture that includes a touch panel equipped with piezoelectric and electrostatic sensors. The piezoelectric sensor generates a push signal in response to the displacement caused by pressing the operation surface, while the electrostatic sensor provides touch signals to determine touch and non-touch states. The integrated push amount calculating unit processes these signals to produce a push amount detection signal, with a reset mechanism to maintain accuracy during non-touch periods.

Another notable invention is a displacement sensor, which incorporates a voltage converting unit containing a resistor linked to a piezoelectric element. This innovation allows for precise detection of displacement by generating a voltage directly correlating to the applied pressure. The sensor's design ensures that the output voltage is transformed into a usable format based on specific time constants, facilitating accurate measurements of pressing force.

Career Highlights: Throughout his career, Toru Ishii has been affiliated with prominent companies, including Murata Manufacturing Co., Ltd. and Minolta Company, Ltd. His roles at these enterprises have enabled him to refine his expertise in sensor technology and device design, paving the way for groundbreaking innovations in the industry.

Collaborations: Ishii has collaborated with esteemed colleagues, such as Motoi Nakanishi and Tetsu Nishimura. Their collective efforts have fostered an environment of innovation that has yielded remarkable advancements in touch input and sensor technologies.

Conclusion: Toru Ishii stands out as a key figure in the realm of touch input devices and sensors. With a robust portfolio of patents that highlight his inventive spirit and technical acumen, Ishii continues to contribute to technological evolution, particularly in sensitivity and precision for user interfaces. His work not only enhances existing technologies but also sets the stage for future innovations in the field.