Saijo, Japan

Shoji Murakami

This inventor holds 3 USPTO granted patents. Top assignee: Mitsubishi Denki Kabushiki Kaisha. Active years: 1981-1992.

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

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 = 3.8

ph-index = 2

Forward Citations = 14(Granted Patents)


Location History:

  • Sagamihara, JP (1981)
  • Yokohama, JP (1987)
  • Saijo, JP (1992)

Company Filing History:


Years Active: 1981-1992

Loading Chart...
3 patents (USPTO):Explore Patents

Title: The Innovations of Shoji Murakami

Introduction

Shoji Murakami is a notable inventor based in Saijo, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of mechanisms and materials that enhance the performance of electronic devices. With a total of 3 patents to his name, Murakami's work reflects a commitment to innovation and technological advancement.

Latest Patents

Murakami's latest patents include a cathode roller mechanism and a contact material for vacuum circuit breakers. The cathode roller mechanism features a tapered cathode roller designed to establish an electrical connection to a semiconductor lead frame. This mechanism includes an elastic, frictional pressure roller that ensures the lead frame remains aligned, preventing drift and stabilizing electrical continuity. His second patent, the contact material for vacuum circuit breakers, incorporates copper and chromium, along with borides of chromium, molybdenum, and tungsten. This innovative material boasts a large current breaking capability and high voltage withstand capability, making it highly effective for use in circuit breakers.

Career Highlights

Murakami is associated with Mitsubishi Electric Corporation, a leading company in the field of electrical and electronic equipment. His work at Mitsubishi has allowed him to focus on developing cutting-edge technologies that address the needs of modern electrical systems.

Collaborations

Throughout his career, Murakami has collaborated with esteemed colleagues such as Yoshito Yamada and Hiroshi Okumura. These partnerships have fostered a creative environment that encourages the exchange of ideas and the pursuit of innovative solutions.

Conclusion

Shoji Murakami's contributions to the field of electrical engineering through his patents and collaborations highlight his role as a key innovator. His work continues to influence the development of advanced technologies 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]
Loading…