Osaka, Japan

Koji Yamaguchi

This inventor holds 35 USPTO granted patents and 6 published patent applications and 3 EPO patents, primarily in Wiring Modules. Top assignees: Sumitomo Electric Industries, Limited, Autonetworks Technologies, Limited, Sumitomo Wiring Systems, Limited. Active years: 2003-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koji Yamaguchi. Retrieved from https://idiyas.com/inventor/koji-yamaguchi-xev8a3uj

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

USPTO Granted Patents = 35 

% Patents Active = 88.6


Average Co-Inventor Count = 3.2

ph-index = 5

Forward Citations = 81(Granted Patents)


Location History:

  • Moriya-machi, JP (2003 - 2004)
  • Hyogo, JP (2003 - 2007)
  • Otokuni-gun, JP (2014)
  • Osaka, JP (2010 - 2018)
  • Ibaraki, JP (2011 - 2021)
  • Mie, JP (2021 - 2024)
  • Yokkaichi, JP (2023 - 2024)

Company Filing History:


Years Active: 2003-2026

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Areas of Expertise:
Wiring Module
Door Wiring Module
Power Supply System
Vehicle Dashboard
Flat Battery
Semiconductor Module
Electrical Component
Wire Harness
Agricultural Tractor
Surface-Coated Tool
Steel Wire
Manufacturing Method
35 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Koji Yamaguchi

Introduction

Koji Yamaguchi, based in Osaka, Japan, is a prominent inventor known for his significant contributions to the field of automotive engineering. With a remarkable portfolio of 30 patents, Yamaguchi has developed innovative solutions that enhance vehicle functionality and efficiency.

Latest Patents

Among his latest patents, two noteworthy inventions stand out: the Service Hole Cover and the Wiring Module. The Service Hole Cover is designed to efficiently cover a service hole in the inner panel of a vehicle door. This innovative cover includes a body part that securely covers the hole and features at least one catching part that protrudes to latch onto the inner panel, ensuring that part of the service hole remains accessible. Additionally, Yamaguchi's Wiring Module aims to provide a technique for securing multiple wiring members closely to the attachment surface. This module incorporates a base member with an attachment surface, several wiring members positioned on it, and a holding member that maintains these wiring components in an organized state. The holding member consists of a sheet portion with holes that allow the wiring members to be threaded through and secured to the surface.

Career Highlights

Throughout his career, Koji Yamaguchi has worked with renowned companies such as Sumitomo Electric Industries and Sumitomo Wiring Systems. His experience in these organizations has allowed him to apply his innovative ideas in practical settings and make lasting impacts on the automotive industry.

Collaborations

Yamaguchi has collaborated with other talented individuals in the field, including coworkers like Housei Mizuno and Hiroki Hirai. Their collective expertise has fostered an environment conducive to innovation, driving advancements in automotive technology.

Conclusion

Koji Yamaguchi's inventive spirit and commitment to excellence continue to shape the landscape of automotive engineering. His patents, including the Service Hole Cover and Wiring Module, showcase his ability to solve complex problems and enhance vehicle design, further solidifying his reputation as a leading inventor in his field.

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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