Yasuaki Koyama

Title: Yasuaki Koyama: Innovator in Concentration Measurement Technology

Introduction

Yasuaki Koyama is a notable inventor based in Kawasaki, Japan. He has made significant contributions to the field of concentration measurement technology, particularly in medical applications. With a total of two patents to his name, Koyama's work focuses on innovative methods for measuring hemoglobin concentrations in the human body.

Latest Patents

Koyama's latest patents include a concentration-measurement device and a concentration-measurement method. These inventions are designed to measure the temporal relative change amounts of total hemoglobin concentration and oxygenated hemoglobin concentration in the head. This measurement varies due to the repetition of chest compressions. The apparatus features a light incidence section that directs measurement light onto the head, a light detection section that detects the propagated measurement light, and a CPU that determines the relative change amounts based on the detection signal. The CPU also performs a filtering process to remove frequency components below a predetermined threshold from the relative change amounts.

Career Highlights

Throughout his career, Koyama has worked with esteemed institutions such as St. Marianna University School of Medicine and Hamamatsu Photonics K.K. His experience in these organizations has contributed to his expertise in the field of medical technology and innovation.

Collaborations

Koyama has collaborated with notable colleagues, including Takeo Ozaki and Susumu Suzuki. These partnerships have likely enhanced his research and development efforts in concentration measurement technologies.

Conclusion

Yasuaki Koyama's contributions to concentration measurement technology demonstrate his commitment to advancing medical science. His innovative patents and collaborations reflect his significant role in this important field.