Tokyo, Japan

Tadafumi Ohguro

This inventor holds 1 USPTO granted patent. Top assignee: Ricoh Company, Ltd.. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadafumi Ohguro. Retrieved from https://idiyas.com/inventor/tadafumi-ohguro

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 = 8.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Tadafumi Ohguro: Innovator in Camera Technology

Introduction

Tadafumi Ohguro is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of camera technology, particularly with his innovative film feeding system. His work has been instrumental in enhancing the functionality and efficiency of cameras.

Latest Patents

Ohguro holds a patent for a film feeding system of a camera. This system involves a film advancing mechanism where a roll of film inside a cartridge is first wound to a spool. After each photographic operation, the film is rewound into the cartridge one frame at a time. The system features a reversibly rotatable motor, with its drive and rotational direction automatically controlled based on various camera conditions to ensure the required advancement of the film.

Career Highlights

Tadafumi Ohguro is associated with Ricoh Company, Ltd., a leading company in imaging and electronics. His work at Ricoh has allowed him to develop and refine technologies that improve camera performance and user experience.

Collaborations

Ohguro has collaborated with notable colleagues such as Kunihiko Araki and Susumu Iguchi. Their combined expertise has contributed to advancements in camera technology and innovation.

Conclusion

Tadafumi Ohguro's contributions to camera technology through his innovative film feeding system exemplify his dedication to enhancing photographic equipment. His 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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