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For the Inventor, By the Inventor

Tokyo, Japan

Kazuo Kuroki

This inventor holds 10 USPTO granted patents and 2 published patent applications. Top assignees: Fuji Electric Co., Ltd., Kundenko Co., Ltd.. Active years: 1984-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuo Kuroki. Retrieved from https://idiyas.com/inventor/kazuo-kuroki

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

USPTO Granted Patents = 10 

% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 7

Forward Citations = 110(Granted Patents)


Location History:

  • Kanagawa, JP (1998)
  • Kawasaki, JP (2001)
  • Tokyo, JP (1984 - 2002)

Company Filing History:

goldMedal10 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents
silverMedal1 out of 1 
 
Kundenko Co., Ltd.
 patent
where one patent can have more than one assignee

Years Active: 1984-2002

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10 patents (USPTO):Explore Patents
1. 6437998 - Rectifying circuit and control method therefor (2002-08-20),
2. 6326773 - Power conversion apparatus (2001-12-04),
3. 6104104 - Uninterruptible power supply apparatus (2000-08-15),
4. 5892675 - AC current source circuit for converting DC voltage into AC current (1999-04-06),
5. 5747887 - Multi-function electric power conversion system (1998-05-05),
6. 4639823 - Control circuit for switching transistors (1987-01-27),
7. 4617621 - Inverters with reduced distributed inductance (1986-10-14),
8. 4551635 - Circuit for driving the base of a transistor (1985-11-05),
9. 4540945 - Variable-frequency oscillation circuit (1985-09-10),
10. 4489279 - Variable-frequency oscillator having a crystal oscillator (1984-12-18),

Title: Kazuo Kuroki: Innovator in Power Conversion Technologies

Introduction

Kazuo Kuroki is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of power conversion technologies, holding a total of 10 patents. His innovative work has paved the way for advancements in electrical engineering and power management systems.

Latest Patents

Kuroki's latest patents include a "Rectifying Circuit and Control Method Therefor," which describes a bi-directional switch circuit designed for efficient power conversion. This circuit utilizes a series of switching devices and diodes connected in parallel, allowing for effective control of AC input terminals. Another notable patent is the "Power Conversion Apparatus," which features a voltage amplitude adjuster that incorporates semiconductor switches and an AC chopper. This invention aims to convert input AC voltage to a different amplitude while providing a clear signal to transformers.

Career Highlights

Throughout his career, Kazuo Kuroki has worked with esteemed companies such as Fuji Electric Co., Ltd. and Kundenko Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative power conversion solutions.

Collaborations

Kuroki has collaborated with notable colleagues, including Toshiyuki Takanaga and Yasuo Taguchi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the field.

Conclusion

Kazuo Kuroki's contributions to power conversion technologies have established him as a key figure in the industry. His innovative patents and collaborations reflect his commitment to advancing electrical engineering.

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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