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For the Inventor, By the Inventor

Yokohama, Japan

Zdzislaw Czarnul

This inventor holds 9 USPTO granted patents. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1999-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Zdzislaw Czarnul. Retrieved from https://idiyas.com/inventor/zdzislaw-czarnul

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 7

Forward Citations = 124(Granted Patents)


Location History:

  • Kanagawa-ken, JP (1999 - 2001)
  • Yokohama, JP (1999 - 2002)
  • late of Gdansk, PL (2004)

Company Filing History:

goldMedal9 out of 53,262 
 
Kabushiki Kaisha Toshiba
 patents

Years Active: 1999-2004

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9 patents (USPTO):Explore Patents
1. 6781464 - Balanced amplifier and filter using the same (2004-08-24),
2. 6359510 - Amplifier circuit (2002-03-19),
3. 6344780 - Impedance adjusting circuit (2002-02-05),
4. 6329849 - Apparatus and method for converting differential voltage to fully balanced currents (2001-12-11),
5. 5990737 - Balanced amplifier using single-ended output operational amplifiers (1999-11-23),
6. 5986507 - Current mirror circuit (1999-11-16),
7. 5977818 - Multi-input transistor circuit and multi-input transconductance circuit (1999-11-02),
8. 5963088 - Fully balanced analog circuit (1999-10-05),
9. 5870045 - D/A converter (1999-02-09),

Title: Zdzislaw Czarnul: Innovator in Amplifier Technology

Introduction

Zdzislaw Czarnul is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of electronics, particularly in amplifier technology. With a total of 9 patents to his name, Czarnul continues to push the boundaries of innovation.

Latest Patents

Czarnul's latest patents include a balanced amplifier and filter that utilizes a pair of voltage-to-current converters. This balanced amplifier is designed to convert an input voltage into output currents while effectively canceling common-mode components. Another notable patent is an amplifier circuit that combines a balanced type Differential Difference Amplifier (DDA) with a single-ended type DDA. This innovative design allows for reduced distortion without sacrificing gain, showcasing Czarnul's expertise in creating efficient electronic circuits.

Career Highlights

Czarnul is currently employed at Kabushiki Kaisha Toshiba, where he applies his knowledge and skills to develop cutting-edge technologies. His work has garnered attention in the industry, and he is recognized for his contributions to amplifier design.

Collaborations

Throughout his career, Czarnul has collaborated with esteemed colleagues such as Tetsuro Itakura and Hirotomo Ishii. These partnerships have further enhanced his innovative capabilities and have led to the development of advanced electronic solutions.

Conclusion

Zdzislaw Czarnul is a distinguished inventor whose work in amplifier technology has made a lasting impact. His patents reflect a commitment to innovation and excellence in the field of electronics.

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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