Tokyo, Japan

Yukihiro Ohno

This inventor holds 8 USPTO granted patents. Top assignee: Ricoh Company, Ltd.. Active years: 1978-1992.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukihiro Ohno. Retrieved from https://idiyas.com/inventor/yukihiro-ohno

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 = 2.0

ph-index = 5

Forward Citations = 79(Granted Patents)


Location History:

  • Maebashi, JP (1980)
  • Tokyo, JP (1978 - 1992)

Company Filing History:


Years Active: 1978-1992

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8 patents (USPTO):Explore Patents

Title: Innovations of Yukihiro Ohno

Introduction

Yukihiro Ohno is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of imaging technology, particularly in the development of devices that enhance the efficiency of copiers. With a total of 8 patents to his name, Ohno's work has had a lasting impact on the industry.

Latest Patents

One of his latest innovations is the "Paper refeeding device for a copier operable in a two-sided copy mode." This device is designed to stack one-sided paper sheets, each carrying an image on one side, on an intermediate tray. It then refeeds the sheets from the tray to form an image on the other side. This invention significantly reduces copying time while eliminating issues such as paper jams and misfeeds. The device ensures stable stacking of paper sheets and allows for skew-free refeeding. Additionally, it features a simple construction and implements automatic timing control.

Another notable patent is the "Image forming apparatus operable with a two-side unit." This apparatus can be selectively loaded with a two-side unit and a paper cassette that stores a stack of paper sheets. It operates in both a two-sided copy mode and a combined copy mode. The design incorporates essential sections such as image forming, image fixing, paper transporting, and paper discharging. An accommodating section is provided to selectively house either the two-side unit or the paper cassette, ensuring ease of operation.

Career Highlights

Yukihiro Ohno is associated with Ricoh Company, Ltd., a leading firm in imaging and electronics. His work at Ricoh has allowed him to push the boundaries of copier technology and improve user experience. His innovative designs have contributed to the company's reputation for quality and efficiency in imaging solutions.

Collaborations

Ohno has collaborated with notable coworkers, including Fumiaki Tsuchiya and Nobuyuki Yanagawa. Their combined expertise has fostered a creative environment that has led to the development of groundbreaking technologies in the imaging sector.

Conclusion

Yukihiro Ohno's contributions to the field of imaging technology through his patents and innovations have significantly advanced copier functionality. His work continues to influence the industry, making him a key figure in the realm of inventions.

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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