Seto, Japan

Masahiko Maruyama

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1976-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiko Maruyama. Retrieved from https://idiyas.com/inventor/masahiko-maruyama-h6wcvp98

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 = 3

Forward Citations = 54(Granted Patents)


Location History:

  • Nagoya, JA (1976)
  • Nagoya, J (1976)
  • Seto, JP (1985)

Company Filing History:


Years Active: 1976-1985

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3 patents (USPTO):Explore Patents

Title: Masahiko Maruyama: Innovator in Cleaning Technology

Introduction

Masahiko Maruyama is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of cleaning technology, particularly with his innovative cleaning apparatus. His work reflects a commitment to improving everyday tasks through inventive solutions.

Latest Patents

Maruyama holds a patent for a cleaning apparatus designed for cleaning windows and similar surfaces. This apparatus features a housing that contains a nozzle for injecting a cleaning solution and a brush that moves in contact with the surface to be cleaned. The design includes an open aperture at the end of the housing, which can be closed by a movable edge. Additionally, a wiper is integrated into the movable edge, operated through an interlocking mechanism that allows the brush to move toward and away from the surface. This clever design ensures that when the brush is withdrawn, the aperture closes automatically, maximizing the effectiveness of the wiper.

Career Highlights

Masahiko Maruyama is associated with Mitsubishi Electric Corporation, where he has been able to apply his inventive skills in a corporate environment. His work at the company has allowed him to develop practical solutions that enhance cleaning efficiency.

Collaborations

Maruyama has collaborated with Shosuke Oka, contributing to the development of innovative cleaning technologies. Their partnership exemplifies the importance of teamwork in the field of invention.

Conclusion

Masahiko Maruyama's contributions to cleaning technology through his patented apparatus demonstrate his innovative spirit and dedication to improving everyday tasks. His work continues to influence the industry and inspire future 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]
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