Tokyo, Japan

Souichi Iizuka

This inventor holds 3 USPTO granted patents. Top assignees: Technical Associate Co., Ltd., Technical Associates Co., Ltd., Other. Active years: 1992-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Souichi Iizuka. Retrieved from https://idiyas.com/inventor/souichi-iizuka

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 = 2.3

ph-index = 2

Forward Citations = 29(Granted Patents)


Location History:

  • Setagaya-ku, Tokyo JP (1993)
  • Tokyo, JP (1992 - 1995)

Company Filing History:


Years Active: 1992-1995

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3 patents (USPTO):Explore Patents

Title: Souichi Iizuka: Innovator in Charging Technology and Energy Regeneration

Introduction

Souichi Iizuka is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of charging technology and energy regeneration, holding a total of 3 patents. His innovative designs focus on improving the efficiency of battery charging and harnessing energy in automobiles.

Latest Patents

One of Iizuka's latest patents is an **Automatic Charging Apparatus**. This apparatus features a rectifier circuit composed of multiple diodes and thyristors arranged in a bridge connection. It includes a phase control circuit that regulates the charging voltage of a battery by controlling the phase of the thyristors. Additionally, it has voltage and current setting resistors that adjust the charging parameters according to the battery's state. This design allows for efficient charging, even for large-capacity batteries.

Another significant invention is the **Energy Regenerating Mechanism of an Automobile**. This mechanism is particularly designed for electric cars and incorporates multiple generators. It converts the kinetic energy generated when the engine idles and the automobile continues running into electric energy. This innovation enhances the overall energy efficiency of electric vehicles.

Career Highlights

Throughout his career, Souichi Iizuka has worked with various companies, including Technical Associate Co., Ltd. His work has focused on advancing technologies that improve energy efficiency and battery management systems.

Collaborations

Iizuka has collaborated with notable individuals in his field, including Yasuharu Yamada and Sohei Kuhara. Their combined expertise has contributed to the development of innovative solutions in energy management.

Conclusion

Souichi Iizuka's contributions to charging technology and energy regeneration demonstrate his commitment to innovation. His patents reflect a deep understanding of energy systems and a desire to enhance efficiency in modern technology.

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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