Nagoya, Japan

Kouichi Takagi

This inventor holds 5 USPTO granted patents. Top assignee: Other. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouichi Takagi. Retrieved from https://idiyas.com/inventor/kouichi-takagi-8sb173lf

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

Calculating rank

% Patents Active = 80.0

Average Co-Inventor Count = 2.1

ph-index = 3

Forward Citations = 78(Granted Patents)


Company Filing History:

goldMedal5 out of 834,601 
Other
 patents

Years Active: 2001-2004

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5 patents (USPTO):Explore Patents

Title: Kouichi Takagi: Innovator in Power Supply Systems

Introduction

Kouichi Takagi is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of power supply systems, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and functionality of power generation and management in vehicles.

Latest Patents

One of Takagi's latest patents is a power supply system that utilizes a vehicle's engine to generate electric power. This system includes an alternator that produces electricity based on the engine's revolutions, charging a designated battery. The design features an output unit that delivers electric power from the battery to external devices. Additionally, a power generation control unit monitors the current output from the battery and adjusts the engine's revolutions accordingly. An engine control unit further optimizes the engine's performance based on these settings. Another significant patent is a protection circuit that incorporates a diode connected in parallel to an inductive load, ensuring safe operation by managing the power supply current effectively.

Career Highlights

Throughout his career, Kouichi Takagi has demonstrated a commitment to innovation in power supply technology. His work has not only advanced the field but has also contributed to the development of more efficient energy solutions in automotive applications.

Collaborations

Takagi has collaborated with talented individuals such as Takeshi Endoh and Kazuhiro Aoki, enhancing the scope and impact of his inventions.

Conclusion

Kouichi Takagi's contributions to power supply systems exemplify the spirit of innovation. His patents reflect a deep understanding of engineering principles and a dedication to improving energy efficiency in vehicles. His work continues to influence the industry and inspire future advancements.

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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