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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hyogo, JP (1987 - 1988)
- Tokyo, JP (1999 - 2000)
- Amagasaki, JP (1993 - 2010)
Company Filing History:


Years Active: 1987-2010
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.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile