Kuwana, Japan

Shoji Itomi

This inventor holds 19 USPTO granted patents and 6 published patent applications and 2 EPO patents, primarily in Clutch Technology. Top assignee: Ntn Corporation. Active years: 1991-2024.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shoji Itomi. Retrieved from https://idiyas.com/inventor/shoji-itomi

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

Calculating rank
USPTO Granted Patents = 19 

% Patents Active = 63.2

 

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 95(Granted Patents)


Location History:

  • Aichi, JP (1993)
  • Kawana, JP (2012)
  • Kuwana, JP (1993 - 2014)
  • Mie, JP (1991 - 2024)

Company Filing History:


Years Active: 1991-2024

Loading Chart...
Loading Chart...
Areas of Expertise:
One-Way Clutch
Reverse Input Clutch
Torque Sensor
Rotation Angle Sensor
Clutch Retainer
Torque Limiter
Oil Condition Sensor
Clutch-Bearing Assembly
Rotational Angle Detection
Sensor Unit
Clutch Unit
Anti-Reverse Clutch
19 patents (USPTO):Explore Patents

Title: **The Innovations of Shoji Itomi: Pioneering Clutch Mechanisms in Kuwana, Japan**

Introduction

Shoji Itomi is a respected inventor based in Kuwana, Japan, known for his contributions to mechanical engineering, particularly in the field of clutch mechanisms. With a remarkable portfolio of 19 patents, Itomi has established himself as a key innovator, continually pushing the boundaries of technology.

Latest Patents

Among his latest patents are two significant inventions: a one-way clutch and a reverse input preventive clutch. The one-way clutch features a unique C-shaped spring design, engaging rollers that effectively link the inner and outer rings. This design allows for efficient power transmission through innovative roller arrangements. On the other hand, his reverse input blocking clutch incorporates smooth finished surfaces created by barrel polishing, minimizing sliding resistance and enhancing locking performance. This innovative approach reduces the torque required for rotation transmission while maintaining high efficacy.

Career Highlights

Shoji Itomi's career is characterized by his dedication to developing advanced mechanical solutions. His innovative spirit is evident in his numerous patents, which showcase his ability to address complex engineering challenges. He has become an invaluable asset to modern engineering practices, particularly in producing reliable and efficient clutch systems.

Collaborations

Throughout his career, Itomi has collaborated with notable colleagues such as Yuji Okamoto and Masahiko Kataoka, both of whom have contributed to pushing the frontiers of their field. Their teamwork has fostered a creative environment that elevates engineering and design, leading to groundbreaking innovations in clutch technology.

Conclusion

Shoji Itomi's work exemplifies the essence of innovation in mechanical engineering. His significant patent portfolio, coupled with his collaborations, underscores his impact on the industry. As he continues to innovate, his contributions will undoubtedly leave a lasting legacy in the field of clutch mechanisms, inspiring future generations of engineers and inventors.

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]
Loading…