Kounosu, Japan

Yutaka Shinohara

This inventor holds 2 USPTO granted patents. Top assignee: Pentel Kabushiki Kaisha. Active years: 1986-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yutaka Shinohara. Retrieved from https://idiyas.com/inventor/yutaka-shinohara-dmcix3pn

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 = 4.4

ph-index = 2

Forward Citations = 7(Granted Patents)


Location History:

  • Konosu, JP (1986)
  • Kounosu, JP (1993)

Company Filing History:


Years Active: 1986-1993

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2 patents (USPTO):Explore Patents

Title: Yutaka Shinohara: Innovator in Writing Technology

Introduction

Yutaka Shinohara is a notable inventor based in Kounosu, Japan. He has made significant contributions to the field of writing instruments, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of Shinohara's latest patents is the "Ink Ribbon Regenerating Device." This device is designed to regenerate an ink ribbon that has consumed its ink, which is set in an ink ribbon cassette. The device features a housing with an upper surface for mounting the cassette, a guide pin for guiding the ribbon, and a guide roller for maintaining tension. Additionally, it includes a rotatable ink pad that transfers ink onto the ribbon and driving means for moving the ribbon within the cassette. The cassette is held on the upper surface, and the guide roller is locked in place with a solenoid to ensure proper contact with the ink pad.

Another patent is the "Resilient Writing Nib with Offset Flattened Portion." This invention involves a writing instrument that has a needle-like longitudinal writing nib, which is positioned within a nib holder pipe. The writing nib is designed with flex portions and/or a flattened portion to facilitate movement when writing pressure is applied. This innovation enhances the writing experience by allowing for smoother and more controlled writing.

Career Highlights

Yutaka Shinohara is associated with Pentel Kabushiki Kaisha, a company renowned for its high-quality writing instruments. His work at Pentel has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation in writing technology.

Collaborations

Shinohara has collaborated with notable coworkers, including Tetuo Taguchi and Hiroshi Wada. Their combined expertise has likely fostered a creative environment that encourages the development of groundbreaking writing solutions.

Conclusion

Yutaka Shinohara's contributions to the field of writing technology through his innovative patents demonstrate his commitment to enhancing the writing experience. His work continues to influence the design and functionality of writing instruments today.

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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