Tsutomu Obata

Title: **Tsutomu Obata: Innovator in Material Testing Technology**

Introduction

Tsutomu Obata, an inventor based in Chiba, Japan, has made significant contributions to the field of material testing with his innovative apparatus for measuring the coefficient of restitution and hardness. His work enhances the understanding of material properties and their behavior under stress, providing essential data for multiple industries.

Latest Patents

Obata holds a patent for an "Apparatus for measuring coefficient of restitution and hardness tester." This innovative device is designed to reduce the mass effect during tests and allows for measurements to be taken in free directions. The apparatus consists of a holder for a spherical indenter, an ejection mechanism for launching the indenter, a speed measuring unit for assessing both impact and rebound speeds, and an arithmetic unit that calculates the coefficient of restitution, which is the ratio of rebound speed to impact speed.

Career Highlights

Throughout his career, Tsutomu Obata has worked with notable organizations such as Yamamoto Scientific Tool Laboratory Co., Ltd. and the National Institute for Materials Science. His experiences in these institutions have contributed to his expertise in material science and testing technologies.

Collaborations

During his career, Obata has collaborated with esteemed colleagues including Takashi Yamamoto and Kensuke Miyahara. Their partnership has fostered an environment of innovation and mutual development in the field of material testing.

Conclusion

Tsutomu Obata stands out as a significant contributor to the engineering and materials testing sector. His patented apparatus not only showcases his inventive spirit but also addresses critical needs in the industry, positioning him as a valued inventor in the realm of material science.