Saitama, Japan

Shinkichi Ikeda

This inventor holds 21 USPTO granted patents and 2 published patent applications, primarily in Optical Systems. Top assignees: Fujifilm Corporation, Fujinon Corporation, Nippon Hoso' Kyokai. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinkichi Ikeda. Retrieved from https://idiyas.com/inventor/shinkichi-ikeda-zfj1d8du

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

Calculating rank
USPTO Granted Patents = 21 

% Patents Active = 47.6

Average Co-Inventor Count = 1.9

ph-index = 3

Forward Citations = 21(Granted Patents)


Location History:

  • Tokyo, JP (2015)
  • Saitama-ken, JP (2014 - 2017)
  • Saitama, JP (2009 - 2024)

Company Filing History:


Years Active: 2009-2025

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Areas of Expertise:
Zoom Lens
Imaging Apparatus
Variable Magnification
Optical System
Infrared Light
Rear-Focusing
Image-Taking
Visible Light
21 patents (USPTO):Explore Patents

Title: Innovations by Shinkichi Ikeda: A Legacy in Optical Technology

Introduction

Shinkichi Ikeda, a prolific inventor based in Saitama, Japan, has an impressive portfolio of 20 patents. His innovative contributions primarily revolve around optical systems and imaging apparatuses, reflecting his expertise in the field. His work is recognized for advancing the technology used in zoom lenses and optical systems, which have significant applications in various imaging devices.

Latest Patents

Among his latest patents, Ikeda has developed a **Variable Magnification Optical System**. This ingenious system comprises a positive first lens group, an intermediate group, and a subsequent group sequentially aligned from the object side to the image side. Notably, the system does not create an intermediate real image throughout its zoom range. The design features two distinct zooming modes: the first involves changing distances between lens groups, while the second maintains certain distances stationary to allow flexibility and independence in zooming functionalities.

Another significant invention is the **Zoom Lens and Imaging Apparatus**. This zoom lens consists of multiple lens groups, including a positive first group and a sequence of additional groups that are arranged sequentially. Here, during operation, the first and fifth lens groups remain stationary, while the inner groups are mobile. This configuration enhances the lens’s capabilities while adhering to specific focal length ratios that optimize its performance.

Career Highlights

Shinkichi Ikeda has dedicated much of his career to innovative optical technology. He has made substantial contributions while working with renowned companies, such as Fujifilm Corporation and Fujinon Corporation. His work's impact is evidenced by the number of patents he holds and their relevance in the modern optical landscape.

Collaborations

Throughout his career, Ikeda has collaborated with notable professionals in the field, including Toshihiro Aoi and Takuya Tanaka. These collaborations have likely influenced his inventive process and contributed to the successful development of his patented technologies.

Conclusion

Shinkichi Ikeda's contributions to the field of optical systems and imaging technologies have made him a pivotal figure among contemporary inventors. With numerous patents showcasing his innovative thinking, his work continues to inspire advancements in optical technology and its applications in everyday life. His legacy is defined not just by the patents themselves, but also by the technological progress they represent in the world of imaging.

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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