Kanagawa, Japan

Takuji Harada

This inventor holds 14 USPTO granted patents, primarily in Antenna Technology. Top assignees: Harada Kogyo Kabushiki Kaisha, Harada Industry Co., Ltd.. Active years: 1986-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuji Harada. Retrieved from https://idiyas.com/inventor/takuji-harada

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 = 1.2

ph-index = 8

Forward Citations = 198(Granted Patents)


Location History:

  • Kanagawa, JP (1990 - 1995)
  • Hiratsuka, JP (1986 - 1996)

Company Filing History:


Years Active: 1986-1996

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Areas of Expertise:
Broad Band Antenna
Automobile Antenna
Micro-Strip Antenna
Capacitive Coupling
Flat-Plate Patch Antenna
Dual Slot Planar Antenna
Amplified FM Antenna
Rod Antenna Control
Reset Circuit
Transmission Channel Coupler
Cable TV System
Cooking Appliance
14 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takuji Harada

Introduction

Takuji Harada, an accomplished inventor based in Kanagawa, Japan, has significantly impacted the field of telecommunications with his innovative inventions. Holding 14 patents, he has developed technologies that enhance mobile communication systems, demonstrating a keen understanding of both engineering and practical applications.

Latest Patents

Among his most notable inventions are a broad band mobile telephone antenna and an automobile loop antenna. The broad band mobile telephone antenna features a unique design that includes a first conductive circular plate positioned above a second conductive circular plate, which serves as a ground plate. This design allows for efficient impedance matching through a short-circuit rod connected between the plates. Importantly, the antenna is integrated into an automobile, enhancing mobile communication capabilities during travel.

The automobile loop antenna developed by Harada consists of a conductive loop connected to a coaxial cable. By utilizing a low-capacitance capacitor and careful placement in relation to the metal parts of the automobile, this design optimizes performance while ensuring compactness and efficiency. These innovations reflect a commitment to improving mobile communication technologies.

Career Highlights

Takuji Harada has worked with reputable companies throughout his career, including Harada Kogyo and Harada Industry. His work at these organizations has allowed him to collaborate with other talented professionals, further advancing his inventive pursuits.

Collaborations

Harada’s collaborations with colleagues such as Takashi Kido and Shigeru Egashira have played a crucial role in fostering a creative environment that nurtures innovation. Working alongside such skilled professionals has enabled him to tackle complex challenges in the field of telecommunications effectively.

Conclusion

In summary, Takuji Harada embodies the spirit of innovation through his dedication to developing advanced communication technologies. His patents not only advance the capabilities of mobile telephone systems but also demonstrate the potential for innovative engineering solutions in everyday applications. As he continues to contribute to the field, his work inspires future inventors and engineers alike.

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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