Kyoto, Japan

Kazuhiko Kojima

This inventor holds 5 USPTO granted patents. Top assignee: Minolta Company, Ltd.. Active years: 1997-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Kojima. Retrieved from https://idiyas.com/inventor/kazuhiko-kojima-3bmo3bdm

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 = 3.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Company Filing History:


Years Active: 1997-2001

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5 patents (USPTO):Explore Patents

Title: Inventor Kazuhiko Kojima: Innovations in Camera Technology

Introduction

Kazuhiko Kojima is a notable inventor based in Kyoto, Japan, recognized for his significant contributions to camera technology. With a total of five patents to his name, he has demonstrated remarkable innovation in the field, focusing on mechanisms that enhance the functionality and safety of photographic devices.

Latest Patents

Among Kojima's recent inventions are two groundbreaking patents. The first is a "Rotation detection mechanism and an apparatus provided with same." This apparatus features planet gears that engage with a pinion gear, which rotates together with a motor's shaft. This setup allows the planet gears to rotate around the shaft's periphery while a carrier supports them in free rotation, facilitating the detection of movement through a photoreflector that identifies a rotation-detecting part comprised of reflecting and non-reflecting surfaces.

The second patent is for a "Camera having film cartridge chamber cover with safety locking mechanism." This innovative structure transmits a driving force from the camera body to the cartridge chamber cover, enabling the automatic operation of the cover's safety mechanism. It includes a locking mechanism for securing the cover, an unlocking operation member for manual release, and a safety mechanism that selectively controls the unlocking. This invention ensures that the camera's operation remains safe and user-friendly.

Career Highlights

Kazuhiko Kojima has made significant strides in his career as an inventor while working at Minolta Company, Ltd. His expertise in developing complex mechanisms for cameras stands out, contributing to the efficiency and reliability of photographic equipment.

Collaborations

Throughout his career, Kojima has collaborated with talented coworkers such as Ikushi Nakamura and Yoshiharu Tanaka. These partnerships have allowed for the sharing of ideas and expertise, leading to advancements in camera technology and enhancing the overall innovation environment at Minolta.

Conclusion

Kazuhiko Kojima is a prominent inventor whose contributions have had a lasting impact on camera technology. His latest patents showcase his innovative spirit and commitment to creating safer, more efficient devices for photographers. Through his collaboration with talented individuals and his work at Minolta Company, Kojima continues to push the boundaries of camera innovation.

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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