Hirakata, Japan

Tamio Nagano

This inventor holds 16 USPTO granted patents, primarily in Clutch Mechanisms. Top assignees: Kabushiki Kaisha Daikin Seisakusho, Exedy Corporation. Active years: 1983-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamio Nagano. Retrieved from https://idiyas.com/inventor/tamio-nagano

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 = 6

Forward Citations = 123(Granted Patents)


Location History:

  • Neyagawa, JP (1991 - 1999)
  • Hirakata, JP (1983 - 2001)

Company Filing History:


Years Active: 1983-2001

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Areas of Expertise:
Friction Element
Damper Disc
Clutch Assembly
Spring Seats
Friction Generating
Diaphragm Spring
Twin Clutch
Resin Bushing
Subplates
Concentric Springs
Automobile Clutch
16 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Tamio Nagano

Introduction: Tamio Nagano, an inventive mind hailing from Hirakata, Japan, has made significant strides in the field of engineering and design. With an impressive portfolio of 16 patents, Nagano’s contributions focus on advancements in damper disc technology, showcasing his ingenuity and commitment to innovation.

Latest Patents: Among his latest inventions is a friction element for a damper disc that incorporates a friction adjusting element. This innovative damper disc assembly has multiple embodiments designed to optimize performance. In one embodiment, spring seats are strategically arranged at opposite ends of coil springs, connecting a power input rotary member to a power output rotary member. Each spring seat features mutually perpendicular slanting portions on its contacting surface.

Additionally, a modified spring seat helps determine the phase or orientation of the power input rotary member relative to the power output rotary member. Another embodiment presents a friction element composed of resin, which includes a friction adjusting element molded into its surface, thereby altering its friction coefficient. Finally, an embodiment with a coating on the friction surface enhances the adaptability of the friction coefficient, illustrating Nagano's continuous exploration of material and design innovation.

Career Highlights: Throughout his career, Nagano has worked with esteemed companies including Kabushiki Kaisha Daikin Seisakusho and Exedy Corporation. His roles in these organizations have allowed him to contribute his innovative ideas effectively, paving the way for advancements in mechanical components and systems.

Collaborations: Nagano's career has been marked by fruitful collaborations with other talented professionals, including coworkers Saburo Nakanishi and Yoshitaka Kitamura. These partnerships have strengthened his work and facilitated the development of new technologies within the industry.

Conclusion: Tamio Nagano stands as a testament to the blend of creativity and engineering precision in the world of inventions. With his substantial portfolio of patents and dedication to ongoing innovation, he continues to influence the field of mechanical engineering while inspiring future generations of inventors and engineers.

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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