Shizuoka, Japan

Toshisada Murayama

This inventor holds 4 USPTO granted patents. Top assignee: Yazaki Corporation. Active years: 2000-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshisada Murayama. Retrieved from https://idiyas.com/inventor/toshisada-murayama

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

Calculating rank

% Patents Active = 50.0

Average Co-Inventor Count = 1.4

ph-index = 2

Forward Citations = 101(Granted Patents)


Location History:

  • Shizouka, JP (2000)
  • Shizuoka, JP (2001 - 2004)

Company Filing History:


Years Active: 2000-2004

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4 patents (USPTO):Explore Patents

Title: Innovations by Toshisada Murayama

Introduction

Toshisada Murayama is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of reliable connection technologies. With a total of 4 patents to his name, Murayama continues to push the boundaries of innovation.

Latest Patents

Among his latest inventions are two key patents: the Piercing Terminal and the Waterproof Connector. The Piercing Terminal is designed to provide high reliability for crimping, ensuring that the terminal can securely pierce through a flat circuit body, even when the circuit body has a thick conductor. This innovative terminal features a conductive basal plate and multiple claw pieces with varying protrusion heights, allowing for enhanced functionality. The Waterproof Connector, on the other hand, includes a housing with an abutment face that defines an insertion opening for electric wire terminals. This design allows the terminal to penetrate a gel member before being inserted into the chamber, ensuring a secure and waterproof connection.

Career Highlights

Toshisada Murayama is currently employed at Yazaki Corporation, a leading company in the automotive industry known for its electrical components and systems. His work at Yazaki has allowed him to develop cutting-edge technologies that enhance the reliability and efficiency of electrical connections in vehicles.

Collaborations

Murayama has collaborated with talented coworkers such as Hirohisa Ueda and Hiroki Kondo. Their combined expertise has contributed to the successful development of innovative solutions in the field of electrical engineering.

Conclusion

Toshisada Murayama's contributions to the field of electrical engineering through his patents and work at Yazaki Corporation highlight his commitment to innovation. His inventions, particularly in connection technologies, demonstrate the importance of reliability in modern electrical systems.

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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