Yokkaichi, Japan

Tsukasa Yamakawa

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Ntn Corporation, Krd Corporation. Active years: 2003-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsukasa Yamakawa. Retrieved from https://idiyas.com/inventor/tsukasa-yamakawa

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

USPTO Granted Patents = 4 

% Patents Active = 25.0

Average Co-Inventor Count = 4.4

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Mie, JP (2003)
  • Yokkaichi, JP (2011 - 2012)
  • Kuwana, JP (2016)

Company Filing History:


Years Active: 2003-2016

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4 patents (USPTO):Explore Patents

Title: Tsukasa Yamakawa: Innovator in Bearing Technology

Introduction

Tsukasa Yamakawa is a notable inventor based in Yokkaichi, Japan. He has made significant contributions to the field of bearing technology, holding a total of 4 patents. His innovative designs have advanced the functionality and reliability of various bearing assemblies.

Latest Patents

One of Yamakawa's latest patents is a bearing assembly that includes an integrated circuit (IC) tag. This assembly allows for reliable information exchange between the IC tag and an external reader/writer. The design features a rolling bearing with outer and inner races, as well as rolling elements positioned between them. The IC tag communicates wirelessly with the reader/writer device, which enhances the efficiency of the bearing assembly. Another notable patent involves a rolling bearing that comprises a ball bearing with specific dimensional relationships between the balls and the inner and outer rings, ensuring optimal performance.

Career Highlights

Throughout his career, Tsukasa Yamakawa has worked with prominent companies such as NTN Corporation and KRD Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in bearing technology.

Collaborations

Yamakawa has collaborated with esteemed colleagues, including Katsunori Sone and Hideji Ito. These partnerships have fostered a creative environment that has led to the development of advanced bearing solutions.

Conclusion

Tsukasa Yamakawa's contributions to bearing technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in engineering.

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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