Keiji Hayashi

Title: Keiji Hayashi: Innovator in Physiological State Estimation

Introduction

Keiji Hayashi is a prominent inventor based in Nagoya, Japan, known for his contributions to the field of physiological state estimation. With a total of nine patents to his name, he has made significant advancements in understanding and analyzing mental and physical conditions.

Latest Patents

Hayashi's latest patents include a mental and physical condition estimation system and method, as well as a storage medium. The mental and physical condition estimation system features a heart rate information acquisition unit that gathers heart rate data from a subject. It also includes a heart rate variability calculation unit that computes the very low frequency component (VLF) of the heart rate variability. This system estimates the concentration and effort state of the subject based on the calculated heart rate variability. Another notable patent is the physiological state index calculation system, which captures subtle changes in a living body's physiological state. This system employs a band-pass filter to process cerebral blood flow waveform information and a complex number conversion unit to reflect the physiological state of the living body.

Career Highlights

Throughout his career, Hayashi has worked with notable companies, including Toyota Motor Corporation and Toyota Central R&D Labs, Inc. His experience in these organizations has contributed to his innovative work in physiological state estimation.

Collaborations

Hayashi has collaborated with esteemed colleagues such as Hiroyuki Mori and Mamoru Tohyama, further enhancing his research and development efforts in the field.

Conclusion

Keiji Hayashi's work in physiological state estimation has paved the way for advancements in understanding mental and physical conditions. His innovative patents and collaborations reflect his commitment to improving health and well-being through technology.