Yoichi Akazawa

Title: Yoichi Akazawa and an Endoscopic Blood-Flow Measurement Invention.

Introduction

Yoichi Akazawa is an inventor associated with Juntendo Educational Foundation in Bunkyo, Japan. His patent work includes an endoscope system designed to measure blood-flow velocity in small superficial blood vessels of the gastrointestinal tract.

Latest Patents

Akazawa is associated with 1 patent: “Endoscope System for Measuring Blood Flow Velocity in Gastrointestinal Superficial Small Blood Vessel.” The invention aims to enable real-time measurement of blood flow in gastric subepithelial microvessels.

The system combines a magnifying endoscope with a processing unit for blood-flow video data. The endoscope captures video of a gastric subepithelial microvessel and sends it to the processing unit. The unit divides the video into frames, removes translational movement by comparing successive frames, calculates changes in the red component, segments the relevant image regions, and measures the resulting segment sizes. These steps provide image data that can be used to assess blood flow.

Career Highlights

Akazawa’s listed patent reflects work at the intersection of endoscopic imaging and computational analysis. By processing video frame by frame, the system is intended to support real-time assessment of microvascular blood flow.

Collaborations

Akihito Nagahara and Hiroya Ueyama are identified as Akazawa’s coworkers. The available information does not specify their individual roles in the patent.

Conclusion

Yoichi Akazawa’s patent describes an endoscopic imaging and video-processing approach intended to measure blood flow in gastric microvessels in real time.