Hachioji, Japan

Tetsuo Nagata

This inventor holds 25 USPTO granted patents, primarily in Optical Systems. Top assignees: Olympus Corporation, Olympus Optical Company, Ltd.. Active years: 1999-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Nagata. Retrieved from https://idiyas.com/inventor/tetsuo-nagata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 60.0

Average Co-Inventor Count = 1.8

ph-index = 11

Forward Citations = 414(Granted Patents)


Location History:

  • Urawa, JP (1999 - 2000)
  • Hachioji, JP (1999 - 2009)

Company Filing History:


Years Active: 1999-2009

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Areas of Expertise:
Image Pickup Optical System
Optical Apparatus
Decentering Optical System
Zoom Optical System
Image-Forming Optical System
Image Display Apparatus
Zoom Lens System
Phototaking Lens System
Wide-Angle Lens System
Reading Lens System
Imaging Apparatus
Diffractive Optical Element
25 patents (USPTO):Explore Patents

Title: Tetsuo Nagata: Pioneer in Optical System Innovations

Introduction

Tetsuo Nagata, an accomplished inventor based in Hachioji, Japan, has made significant contributions to the field of optical systems. With a remarkable portfolio of 25 patents, his innovations are shaping the future of optical technology.

Latest Patents

Among his latest advancements is an image pickup optical system that incorporates a front unit featuring at least one reflecting surface with rotationally asymmetrical power. This innovative design includes an aperture stop and a rear unit with similar features. Notably, the F-numbers in two perpendicular directions differ on a plane that is perpendicular to the optical axis. One unique aspect is the decentration occurring in one of the two directions, allowing for precise calculations and optimizations in optical performance. Another of Nagata's noteworthy patents pertains to an optical system that emphasizes energy efficiency, noise reduction, and rapid responsiveness. This system utilizes a variable mirror and a moving optical element group, enabling both focusing and zooming capabilities while maintaining a compact size and simplified mechanical structure.

Career Highlights

Tetsuo Nagata's professional journey includes significant tenures at prominent organizations such as Olympus Corporation and Olympus Optical Company, Ltd. His work at these institutions has positioned him as a leader in the optics industry, reflecting his dedication to advancing optical technologies.

Collaborations

Throughout his career, Nagata has collaborated with fellow innovators, including Kimihiko Nishioka and Takayoshi Togino. These partnerships have fostered the exchange of ideas and expertise, resulting in several groundbreaking optical system developments.

Conclusion

Tetsuo Nagata stands out as a distinguished inventor whose contributions to optical systems continue to influence modern technology. His extensive patent portfolio and collaborative spirit reflect his commitment to innovation, ensuring that his work will resonate within the industry for years to come.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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