Amagasaki, Japan

Junichi Shigeura

This inventor holds 9 USPTO granted patents, plus 1 CIPO patent and 1 EPO patent. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Aizoh Kubo, Mitsubishi Electric Corporation. Active years: 1987-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Junichi Shigeura. Retrieved from https://idiyas.com/inventor/junichi-shigeura

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 = 1.5

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Hyogo, JP (1987 - 1988)
  • Tokyo, JP (1999 - 2000)
  • Amagasaki, JP (1993 - 2010)

Company Filing History:


Years Active: 1987-2010

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9 patents (USPTO):Explore Patents

Title: Junichi Shigeura: Innovator in Gear Coupling Technology

Introduction

Junichi Shigeura is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of mechanical engineering, particularly in gear coupling technology. With a total of 9 patents to his name, Shigeura has demonstrated a commitment to innovation and problem-solving in his work.

Latest Patents

Shigeura's latest patents include advancements in gear coupling and flexible coupling designs. The gear coupling patent addresses the issue of lubricant leakage in conventional designs. It features a pinion with external teeth fixed to a first rotary shaft and a sleeve with internal teeth meshed with the pinion. This innovative design includes end members that form a space for retaining lubricant, effectively preventing leaks.

His flexible coupling patent focuses on the tooth shape around the pitch circle of the outer tooth gear. This design minimizes backlash and suppresses precession and torsional vibrations during high-speed rotation. The crowning curve of the gear is an exponential function, allowing for better stress distribution and increased power transmission compared to traditional designs.

Career Highlights

Throughout his career, Junichi Shigeura has worked with notable companies, including Mitsubishi Electric Corporation and Aizoh Kubo. His experience in these organizations has contributed to his expertise in mechanical engineering and innovation.

Collaborations

Shigeura has collaborated with esteemed colleagues such as Nobuyoshi Takahashi and Noriyuki Isoda. Their combined efforts have further advanced the field of gear coupling technology.

Conclusion

Junichi Shigeura's contributions to gear coupling technology exemplify his innovative spirit and dedication to engineering excellence. His patents reflect a deep understanding of mechanical systems and a commitment to solving real-world problems.

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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