Yutaka Ishizaka

Title: Yutaka Ishizaka: Innovator in Contour Inspection Technology

Introduction

Yutaka Ishizaka is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of inspection technology, particularly in detecting minute contour defects. With a total of three patents to his name, Ishizaka's work has advanced the capabilities of inspection devices.

Latest Patents

Ishizaka's latest patents include an "Inspecting device and method for detecting minute contour defects." This invention features a contour inspecting device that utilizes an image memory to store images captured by a camera. It includes a scanner that scans an inspection region, a binary unit that converts image signals into binary signals, and a detector that identifies changing points in the binary signal. A comparator calculates the difference between these points, while a decision unit determines if a defect exists based on predetermined values.

Another significant patent is the "System for detecting rotational angle of objective pattern." This system calculates the area and linear moments of a pattern from binary picture elements formed after optical sensing. It determines the center of gravity of the pattern and extracts significant picture information to ascertain the rotational angle using either a moment of inertia method or an inter two-gravity centers method.

Career Highlights

Yutaka Ishizaka is currently employed at Fuji Electric Co., Ltd., where he continues to innovate in the field of inspection technology. His work has been instrumental in enhancing the accuracy and efficiency of inspection devices.

Collaborations

Ishizaka has collaborated with notable coworkers, including Michiaki Miyagawa and Shoji Shimomura. Their combined expertise has contributed to the development of advanced technologies in their respective fields.

Conclusion

Yutaka Ishizaka's contributions to inspection technology through his innovative patents have significantly impacted the industry. His work continues to pave the way for advancements in detecting minute defects and improving inspection processes.