Yasushi Ueshima

Title: Yasushi Ueshima: Innovator in Shape Measurement Technology

Introduction

Yasushi Ueshima is a notable inventor based in Tsukuba, Japan. He has made significant contributions to the field of shape measurement technology, holding two patents that showcase his innovative approach to measurement methods and apparatuses.

Latest Patents

Ueshima's latest patents include a shape measurement method and a shape measurement apparatus. The shape measurement method is designed for measuring objects with a substantially rotating symmetric shape. This method involves placing an aperture larger than the object's outer shape on an optical axis, capturing an image generated by projected light, and calculating the cross-sectional shape based on the light intensity distribution of the captured image. His second patent, the optical-axis deflection type laser interferometer, includes a reference ball as a measurement reference and a retroreflecting means at the object to be measured. This apparatus allows for precise measurements and calibration without the need for special calibrating devices, ensuring traceability in measurements.

Career Highlights

Yasushi Ueshima is currently employed at Mitutoyo Corporation, a leading company in precision measurement instruments. His work at Mitutoyo has allowed him to develop and refine his innovative measurement technologies, contributing to advancements in the field.

Collaborations

Ueshima has collaborated with notable coworkers such as Naoyuki Taketomi and Makoto Abbe. Their combined expertise has likely fostered a creative environment that encourages innovation and the development of cutting-edge measurement solutions.

Conclusion

Yasushi Ueshima's contributions to shape measurement technology through his patents and work at Mitutoyo Corporation highlight his role as a significant inventor in this field. His innovative methods and apparatuses continue to influence the precision measurement industry.