Muroran, Japan

Joji Tamura

This inventor holds 2 USPTO granted patents. Top assignee: Other. Active years: 2002-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Joji Tamura. Retrieved from https://idiyas.com/inventor/joji-tamura

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 2

Forward Citations = 22(Granted Patents)


Company Filing History:

goldMedal2 out of 834,570 
Other
 patents

Years Active: 2002-2003

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2 patents (USPTO):Explore Patents

Title: Joji Tamura: Innovator in Mechanical Engineering

Introduction

Joji Tamura is a notable inventor based in Muroran, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of components for automotive applications. With a total of 2 patents to his name, Tamura's work focuses on enhancing the performance and durability of mechanical parts.

Latest Patents

Tamura's latest patents include an outer race for a constant velocity joint, which boasts improved anti-flaking properties and shaft strength. This innovative outer race consists of a cup and a serration, with specific weight percentages of carbon, silicon, manganese, sulfur, molybdenum, boron, aluminum, and titanium. The design ensures that the effective case depth in track grooves of the cup and the involute serration is optimized for performance.

Another significant patent is for a high strength drive shaft, which also includes a detailed composition of steel materials. This drive shaft is designed to withstand high stress and is produced through a meticulous process that includes induction hardening and tempering. The specifications ensure that the drive shaft meets rigorous standards for strength and durability.

Career Highlights

Throughout his career, Joji Tamura has demonstrated a commitment to innovation in mechanical engineering. His patents reflect a deep understanding of material science and engineering principles, allowing him to create components that meet the demands of modern automotive applications.

Collaborations

Tamura has worked alongside talented colleagues such as Tatsuro Ochi and Hideo Kanisawa. Their collaborative efforts have contributed to the successful development of advanced mechanical components.

Conclusion

Joji Tamura's contributions to the field of mechanical engineering through his patents highlight his innovative spirit and dedication to improving automotive technology. His work continues to influence the industry and pave the way for future advancements.

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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