Misato, Japan

Isao Onuki

This inventor holds 1 USPTO granted patent. Top assignee: Pentel Kabushiki Kaisha. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Onuki. Retrieved from https://idiyas.com/inventor/isao-onuki

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 = 8.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Isao Onuki: Innovator in Ink Ribbon Technology

Introduction

Isao Onuki is a notable inventor based in Misato, Japan. He is recognized for his contributions to the field of ink ribbon technology, particularly through his innovative designs that enhance the functionality of ink ribbon cassettes.

Latest Patents

Onuki holds a patent for an ink ribbon regenerating device. This device is designed to regenerate ink in an ink ribbon that has consumed its ink supply. The invention features a housing with an upper surface for mounting the cassette, a guide pin for guiding the ribbon, and a guide roller that works in conjunction with the guide pin. Additionally, it includes a rotatable ink pad that transfers ink to the ribbon and driving means for moving the ribbon within the cassette. This innovative approach allows for efficient ink regeneration, extending the life of ink ribbons.

Career Highlights

Isao Onuki is associated with Pentel Kabushiki Kaisha, a company known for its high-quality writing instruments and stationery products. His work at Pentel has significantly contributed to advancements in ink technology, showcasing his expertise and commitment to innovation.

Collaborations

Onuki has collaborated with notable coworkers such as Tetuo Taguchi and Hiroshi Wada. Their combined efforts have fostered a creative environment that encourages the development of cutting-edge technologies in the field of writing instruments.

Conclusion

Isao Onuki's contributions to ink ribbon technology exemplify the spirit of innovation. His patent for the ink ribbon regenerating device highlights his ability to solve practical problems in the industry. Through his work at Pentel, he continues to influence the evolution of writing technology.

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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