Utsunomiya, Japan

Naoyuki Enjoji

This inventor holds 31 USPTO granted patents and 2 published patent applications, plus 4 CIPO patents and 3 EPO patents, primarily in Fuel Cell Technology. Top assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda Motor Co., Ltd.. Active years: 2000-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Naoyuki Enjoji. Retrieved from https://idiyas.com/inventor/naoyuki-enjoji

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

USPTO Granted Patents = 31 

% Patents Active = 25.8


 

Average Co-Inventor Count = 3.1

ph-index = 6

Forward Citations = 106(Granted Patents)


Location History:

  • Saitama, JP (2000 - 2007)
  • Tochigi-Ken, JP (2007)
  • Utsunomiya, JP (2005 - 2010)
  • Wako, JP (2006 - 2018)

Company Filing History:


Years Active: 2000-2018

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Areas of Expertise:
Fuel Cell
Solid Polymer Electrolyte
Fuel Cell Stack
Injection Molding
Gas Adjustment Mechanism
Power Generation
Fluid Flow
Temperature Control
Separator Unit
Vehicle Integration
Compact Systems
Reaction Gas Supply
31 patents (USPTO):Explore Patents

Title: Naoyuki Enjoji - Pioneering Innovator in Motor-Generator Technology

Introduction

Naoyuki Enjoji, hailing from Utsunomiya, Japan, is a notable inventor with an impressive portfolio of 31 patents. His innovations primarily focus on advanced motor-generator technologies and injection-molding methods. Enjoji's contributions have significantly impacted the engineering field, demonstrating his expertise and commitment to innovation.

Latest Patents

Among his latest patents, the "Axial-gap motor-generator" stands out. This innovative design features a case, rotor, stator, a cooling plate, and an air inlet and outlet, promoting efficient airflow management. The rotor rotates around a rotating shaft, while the stator remains fixed within the case, effectively harnessing energy in a compact format. Another significant invention is the "Injection-molding method and apparatus." This process involves an elaborate step system that ensures seamless molding of silicone rubber into complex shapes, showcasing Enjoji’s proficiency in manufacturing techniques.

Career Highlights

Enjoji has made significant marks in his career, particularly through his tenure at well-known companies such as Honda Giken Kogyo Kabushiki Kaisha and Honda Motor Co., Ltd. His work has been instrumental in leading various projects that push the boundaries of what is possible in motor design and manufacturing processes.

Collaborations

Throughout his career, Enjoji has collaborated with talented individuals like Yoshinori Wariishi and Masaharu Suzuki, combining their expertise to enhance the quality and functionality of their projects. These collaborations reflect an enriching exchange of ideas, which has undoubtedly contributed to Enjoji's innovative success.

Conclusion

Naoyuki Enjoji's contributions to the fields of motor-generator technology and injection-molding methods highlight his role as a significant innovator. With 31 patents to his name and a career marked by collaborations with respected professionals, Enjoji continues to inspire future generations of inventors and engineers. His work not only propels forward the engineering disciplines but also sets a standard for innovation in the industry.

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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