Kahoku, Japan

Ryoichi Yasukawa

This inventor holds 22 USPTO granted patents and 1 published patent application, primarily in Medium Conveying Technology. Top assignee: Pfu Limited. Active years: 2009-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Yasukawa. Retrieved from https://idiyas.com/inventor/ryoichi-yasukawa

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

USPTO Granted Patents = 22 

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 106(Granted Patents)


Location History:

  • Ishikawa, JP (2009 - 2023)
  • Kahoku, JP (2009 - 2023)

Company Filing History:


Years Active: 2009-2023

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Areas of Expertise:
Medium Conveying Apparatus
Torque Limiter
Document Feeder
Abnormality Detection
Jam Detection
Medium Feeding Device
Scanner
Sheet Feeder
Imprinter
Brake Roller
Multifeed Detection
Paper Conveying
22 patents (USPTO):Explore Patents

Title: Innovations by Ryoichi Yasukawa: A Look into His Contributions

Introduction

Ryoichi Yasukawa, an esteemed inventor based in Kahoku, Japan, has made substantial contributions to the field of medium conveying technology. With a remarkable portfolio of 22 patents, Yasukawa stands out in his field due to his innovative designs and practical applications.

Latest Patents

Two of Yasukawa's latest patents showcase his creative engineering skills:

1. **Medium conveying apparatus for changing torque limit value of torque limiter** - This invention introduces a medium conveying apparatus that includes a medium tray, a feed roller designed to feed media in sequential order, a brake roller positioned opposite the feed roller, a torque limiter, and a changing member to adjust the torque limit based on the height of the media on the tray.

2. **Medium conveying apparatus** - Another notable patent features a medium conveying apparatus comprising a suctioner that draws media onto a feed belt, alongside a driver that moves the belt for medium feeding. It incorporates two side blowers for enhanced air control to ensure optimal functioning when the medium's position changes during operation.

Career Highlights

Ryoichi Yasukawa currently works at Pfu Limited, where he has significantly impacted the development of innovative medium handling solutions. His expertise and dedication have played a crucial role in advancing the company's product offerings and enhancing operational efficiency.

Collaborations

During his career, Yasukawa has collaborated with notable colleagues, including Shuji Hashimoto and Kiichiro Shimosaka. Their collective efforts have yielded advanced technologies that further push the boundaries of medium conveying applications.

Conclusion

In conclusion, Ryoichi Yasukawa's contributions to the field of inventions demonstrate his commitment to innovation and advancement in medium conveying technology. With numerous patents to his name, his work continues to inspire and develop new solutions in 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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