Shizuoka, Japan

Eiji Nagayama

This inventor holds 3 USPTO granted patents. Top assignee: Amano Corporation. Active years: 1990-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Nagayama. Retrieved from https://idiyas.com/inventor/eiji-nagayama

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 3

Forward Citations = 61(Granted Patents)


Location History:

  • Shizuoka, JP (1990 - 1994)
  • Miyakoda, JP (1997)

Company Filing History:


Years Active: 1990-1997

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3 patents (USPTO):Explore Patents

Title: Eiji Nagayama: Innovator in Floor Polishing Technology

Introduction

Eiji Nagayama is a prominent inventor based in Shizuoka, Japan. With a total of three patents to his name, he has significantly contributed to the field of floor polishing technology. His innovative designs address common challenges in floor maintenance, making the process more efficient and user-friendly.

Latest Patents

Among Eiji Nagayama's latest inventions is a floor-surface polisher equipped with a function for adjusting pad pressure. This innovative polisher features a mechanism where the pad is resiliently supported, creating a drawing force that enhances its effectiveness during operation. Additionally, the polisher includes an electric-current value setter that allows users to adjust the motor's electric current to a pre-set value, ensuring optimal performance during use.

Another notable invention is the dust scattering prevention device designed for floor polishers. This device incorporates a dust scattering prevention cover, which is shaped in a generally skirt-like manner and attaches to the lower end of the pad cover. Its design ensures that dust is contained during polishing, promoting a cleaner environment.

Career Highlights

Eiji Nagayama is currently employed at Amano Corporation, where he applies his engineering expertise to develop cutting-edge floor polishing solutions. His work has positioned him as a key figure in the advancement of this technology.

Collaborations

Throughout his career, Eiji has collaborated with talented colleagues, including Tetuichi Turumi and Ken Ikezawa. These partnerships have enabled the exchange of ideas and fostered an innovative working environment at Amano Corporation.

Conclusion

Eiji Nagayama's contributions to the field of floor polishing technology through his patented inventions have made a lasting impact on the industry. His dedication to innovation continues to drive advancements that enhance the efficiency and effectiveness of floor maintenance solutions.

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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