Saitama, Japan

Katumi Yoshida

This inventor holds 2 USPTO granted patents. Top assignees: Canon Kabushiki Kaisha, Canon Denshi Kabushiki Kaisha. Active years: 1989-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katumi Yoshida. Retrieved from https://idiyas.com/inventor/katumi-yoshida

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 = 4.4

ph-index = 2

Forward Citations = 17(Granted Patents)


Company Filing History:


Years Active: 1989-1990

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2 patents (USPTO):Explore Patents

Title: Katumi Yoshida: Innovator in Camera Technology

Introduction

Katumi Yoshida is a notable inventor from Saitama, Japan, recognized for his contributions to camera technology. He holds 2 patents that showcase his innovative approach to enhancing photographic equipment.

Latest Patents

Yoshida's latest patents include a motor-driven exposure adjusting device and a diaphragm control device for interchangeable lenses. The motor-driven exposure adjusting device is designed for use in cameras, featuring a rotary member that controls the opening and closing actions of light shielding blades. This device utilizes a stepping motor to drive the rotation of the rotary member, ensuring precise control over the aperture position. The diaphragm control device, on the other hand, is specifically tailored for single lens reflex cameras. It incorporates a motor that drives diaphragm blades, arranged in a compact design that allows for high torque operation.

Career Highlights

Throughout his career, Katumi Yoshida has worked with prominent companies such as Canon Inc. and Canon Electronics Inc. His experience in these organizations has significantly influenced his innovative designs and patents.

Collaborations

Yoshida has collaborated with notable coworkers, including Shigeru Yoshida and Hiroshi Yamamoto, contributing to advancements in camera technology.

Conclusion

Katumi Yoshida's work in developing innovative camera technologies has made a lasting impact on the industry. His patents reflect a commitment to enhancing photographic equipment, showcasing his expertise and creativity.

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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