Hino, Japan

Hitoshi Ohkubo

This inventor holds 4 USPTO granted patents. Top assignee: Konica Corporation. Active years: 1995-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Ohkubo. Retrieved from https://idiyas.com/inventor/hitoshi-ohkubo-snh47n3h

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 1995-2000

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4 patents (USPTO):Explore Patents

Title: **Hitoshi Ohkubo: Innovator in Single-Use Camera Technology**

Introduction

Hitoshi Ohkubo is a notable inventor based in Hino, Japan, recognized for his significant contributions to the field of photography and camera technology. With a total of four patents to his name, Ohkubo has played an essential role in the development of single-use cameras, ensuring their functionality and consumer safety.

Latest Patents

Among his latest inventions, Ohkubo has developed an innovative apparatus for closing a film gate in a film cartridge in a single-use camera. This inventive mechanism consists of a main body that houses the film cartridge and a cover member forming part of the camera's structure. In this design, a closure and spring mechanism works together to effectively seal the light-shield cover when the cover is opened to remove the film cartridge. Another noteworthy patent features an apparatus designed to prevent the premature opening of a single-use camera until the light-shielding cover is in place. This mechanism employs a cover that encloses the film cartridge while ensuring that the closure processes are safely managed, thereby enhancing the device's reliability for users.

Career Highlights

Currently employed at Konica Corporation, Hitoshi Ohkubo has harnessed his expertise to innovate products that resonate with user needs in the realm of photography. His efforts in streamlining and improving the functionality of single-use cameras have not only advanced optical technology but have also enriched user experiences across various demographics.

Collaborations

Throughout his career, Ohkubo has worked alongside esteemed colleagues such as Osamu Shibazaki and Tetsufumi Takaba. Their collaborative efforts have fostered an environment of innovation and creativity, contributing significantly to the collective advancements in camera technologies at Konica Corporation.

Conclusion

Hitoshi Ohkubo exemplifies an innovative spirit in the realm of photography, particularly through his impactful patents that focus on single-use camera technology. His work not only showcases his own ingenuity but also highlights the collaborative efforts within Konica Corporation. As technology continues to evolve, Ohkubo's contributions are likely to leave a lasting mark on 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]
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