Omiya, Japan

Yutaka Sakai

This inventor holds 10 USPTO granted patents. Top assignee: Fuji Photo Optical Co., Ltd.. Active years: 1976-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Sakai. Retrieved from https://idiyas.com/inventor/yutaka-sakai

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 41(Granted Patents)


Location History:

  • Omiya, JA (1976 - 1977)
  • Saitama, JP (1982)
  • Omiya, JP (1979 - 1984)
  • Ohmiya, JP (1986)

Company Filing History:


Years Active: 1976-1986

Loading Chart...
10 patents (USPTO):Explore Patents

Title: Yutaka Sakai: Innovator in Optical Systems

Introduction

Yutaka Sakai is a prominent inventor based in Omiya, Japan. He has made significant contributions to the field of optical systems, particularly in camera technology. With a total of 10 patents to his name, Sakai's work has had a lasting impact on photography and imaging.

Latest Patents

One of Sakai's latest innovations is the finder optical system designed for single-lens reflex cameras. This system features an eyepiece that includes a negative lens and a positive lens group, allowing for a compact design while maintaining high image magnification. The relationship between the overall length and focal length of the eyepiece is optimized for performance, making it suitable for cameras with smaller picture sizes. Another notable patent is the compact wide-angle zoom lens, which consists of front and rear lens groups that move in opposite directions to adjust magnification. This design incorporates various lens types, including concave and convex lenses, to achieve versatility in imaging.

Career Highlights

Sakai is currently employed at Fuji Photo Optical Co., Ltd., where he continues to innovate in optical technology. His work has not only advanced the capabilities of cameras but has also contributed to the overall evolution of imaging systems.

Collaborations

Throughout his career, Sakai has collaborated with talented individuals such as Yoshikazu Doi and Kazunori Ohno. These partnerships have fostered a creative environment that has led to groundbreaking advancements in optical systems.

Conclusion

Yutaka Sakai's contributions to optical technology exemplify the spirit of innovation in the field of photography. His patents reflect a deep understanding of lens design and functionality, making him a key figure in the industry.

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]
Loading…