Tokyo, Japan

Keiko Iijima

This inventor holds 1 USPTO granted patent. Top assignee: Canon Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiko Iijima. Retrieved from https://idiyas.com/inventor/keiko-iijima

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 = 5.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: Keiko Iijima: Innovator in Optical Systems

Introduction

Keiko Iijima is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the field of optical systems, particularly through her innovative patent that enhances information processing related to lens arrangements. Her work is instrumental in advancing optical evaluation techniques.

Latest Patents

Keiko Iijima holds 1 patent for an "Information processing system and method for lens arrangement." This patent describes a system that allows for the easy definition of lens arrangements, facilitating optical evaluations. The system enables the definition of multiple object positions for the same focal length of an optical lens system. It designates a specific lens for focusing and calculates the necessary adjustments, such as distances between lenses, based on the defined object positions. The optical system's arrangement can be structured across various hierarchy levels, with the ability to define information on decentering for each configuration.

Career Highlights

Keiko Iijima is associated with Canon Kabushiki Kaisha, a leading company in imaging and optical products. Her role at Canon has allowed her to contribute to cutting-edge technologies in the optical field. Her expertise and innovative mindset have positioned her as a valuable asset within the company.

Collaborations

Throughout her career, Keiko has collaborated with notable colleagues, including Hironobu Araki and Shin Yamaguchi. These collaborations have further enriched her work and contributed to advancements in optical systems.

Conclusion

Keiko Iijima's contributions to the field of optical systems through her innovative patent demonstrate her expertise and commitment to advancing technology. Her work continues to influence the industry and inspire future innovations.

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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