Tetsuji Onuki

Title: Tetsuji Onuki: Innovator in Precision Measurement and Lens Manufacturing

Introduction

Tetsuji Onuki is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the fields of precision measurement and lens manufacturing. With a total of 6 patents to his name, Onuki's work has advanced the technology used in optical devices.

Latest Patents

Onuki's latest patents include a shape measurement method and a high-precision lens manufacturing process. This innovative method involves measuring the surface shape of a target surface or lens surface using interferometry. The process consists of several steps, including measuring a prototype target surface and determining the rotationally symmetric error component of the difference between the target and prototype surfaces. Additionally, he has developed a cantilever and measuring apparatus that allows for the separate observation of a temperature profile and the topography of a sample surface. This cantilever features a flexible plate and a probe equipped with a thermocouple.

Career Highlights

Tetsuji Onuki is currently employed at Nikon Corporation, a leading company in the field of imaging and optics. His work at Nikon has allowed him to focus on developing advanced technologies that enhance the precision and quality of optical products.

Collaborations

Onuki has collaborated with notable colleagues, including Hiroyuki Matsushiro and Masatoshi Suzuki. These partnerships have contributed to the successful development of innovative technologies in their respective fields.

Conclusion

Tetsuji Onuki's contributions to precision measurement and lens manufacturing have made a significant impact on the optical industry. His innovative patents and collaborations continue to drive advancements in technology.