Kashiwara, Japan

Hiroyuki Chiba

This inventor holds 5 USPTO granted patents and 3 EPO patents. Top assignee: Jtekt Corporation. Active years: 2008-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Chiba. Retrieved from https://idiyas.com/inventor/hiroyuki-chiba-k3nixsob

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

Calculating rank

% Patents Active = 40.0


Average Co-Inventor Count = 4.3

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Osaka, JP (2010)
  • Kashiwara, JP (2008 - 2011)

Company Filing History:


Years Active: 2008-2011

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5 patents (USPTO):Explore Patents

Title: Hiroyuki Chiba: Innovator in Bearing Technology

Introduction

Hiroyuki Chiba is a prominent inventor based in Kashiwara, Japan. He has made significant contributions to the field of bearing technology, holding a total of 5 patents. His work focuses on enhancing the performance and efficiency of roller bearings, which are crucial components in various mechanical systems.

Latest Patents

Among his latest patents, Chiba has developed a tapered roller bearing and an automotive pinion shaft supporting apparatus utilizing the same tapered roller bearing. This innovative design ensures that the surface roughness of the large end face of the tapered roller meets specific criteria for optimal performance. Additionally, he has patented an oil-lubricated roller bearing assembly that enhances lubrication performance, preventing seizure and reducing frictional torque during rotation. This assembly includes an inner ring, an outer ring, and a roller that work together to improve the overall efficiency of the bearing system.

Career Highlights

Chiba's career is marked by his dedication to advancing bearing technology. His work at Jtekt Corporation has positioned him as a key player in the industry. His inventions not only contribute to the company's success but also push the boundaries of what is possible in mechanical engineering.

Collaborations

Chiba collaborates with talented coworkers such as Hiroki Matsuyama and Kazutoshi Toda. Together, they work on innovative projects that aim to improve the functionality and reliability of bearing systems.

Conclusion

Hiroyuki Chiba's contributions to bearing technology through his patents and collaborations highlight his role as a leading inventor in the field. His work continues to influence the industry and pave the way for 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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