Toshiro Umeda

Title: Toshiro Umeda: Innovator in Focusing Screen Technology

Introduction

Toshiro Umeda is a notable inventor based in Matsudo, Japan. He has made significant contributions to the field of optical technology, particularly in the development of focusing screens. His innovative work has led to advancements that enhance the functionality and quality of imaging devices.

Latest Patents

Umeda holds a patent for a focusing screen and method of manufacturing the same. This patent describes a focusing screen composed of a multitude of micro-lens-like curved surfaces arranged in a regular two-dimensional pattern. The design exhibits variations in the height of the microscopic surface roughness, which is determined in correspondence with the pitch of the arrangement. The patent also discloses a method for manufacturing a focusing screen that maintains an appropriate degree of randomness in its surface configuration.

Career Highlights

Toshiro Umeda is associated with Nikon Corporation, a leading company in the imaging and optical equipment industry. His work at Nikon has allowed him to contribute to the development of advanced optical technologies that are widely used in cameras and other imaging devices.

Collaborations

Umeda has collaborated with notable colleagues such as Hiroyuki Sugimura and Shinichi Tsukada. These collaborations have fostered an environment of innovation and have led to the successful development of new technologies in the field.

Conclusion

Toshiro Umeda's contributions to focusing screen technology exemplify his innovative spirit and dedication to advancing optical technology. His patent and work at Nikon Corporation highlight the importance of collaboration and creativity in the field of invention.