Yokosuka, Japan

Eiji Yoshida

This inventor holds 29 USPTO granted patents and 4 EPO patents, primarily in Optical Signal Processing. Top assignees: Nippon Telegraph and Telephone Corporation, Ando Electric Company, Mitsubishi Denki Kabushiki Kaisha. Active years: 1996-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Eiji Yoshida. Retrieved from https://idiyas.com/inventor/eiji-yoshida-vc139jj6

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

Calculating rank

% Patents Active = 75.9


Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 176(Granted Patents)


Location History:

  • Mito, JP (1996 - 1999)
  • Yao, JP (2003)
  • Fukuoka, JP (2006)
  • Tokyo JP (2007)
  • Shibuya, Shibuya-ku, Tokyo JP (2007)
  • Yao-shi, Osaka, JP (2008)
  • Yokosuka, JP (2001 - 2017)
  • Tokyo, JP (2000 - 2022)

Company Filing History:


Years Active: 1996-2022

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Areas of Expertise:
Optical Signal Synchronization
Frequency Domain Multiplexing
Optical Modulation
Digital Signal Processing
Chromatic Dispersion
Laser Pulse Oscillator
Optical Receiver
Frequency Offset Estimation
Transmission Method
Signal Generating Circuit
Optical Pulse Compression
Device for Fluid Extraction
29 patents (USPTO):Explore Patents

Title: The Innovative Mind of Eiji Yoshida

Introduction: Eiji Yoshida is a prominent inventor based in Yokosuka, Japan, known for his remarkable contribution to the field of engineering and technology. With a portfolio comprising 29 patents, Yoshida has played a vital role in developing innovative solutions that address practical challenges in various industries.

Latest Patents: Among his latest inventions is a unique fence design, which has been engineered to prevent individuals from climbing over while still allowing ample ventilation. This fence features multiple posts and a pair of horizontally extending plate members that are spaced vertically apart, with a blocking member strategically placed between them. This innovative design prevents a person's foot from entering the gap between the plates, thus enhancing security without sacrificing airflow.

Yoshida has also made significant advancements in optical communication technology. His recent patents include a signal generating circuit, an optical signal transmitting apparatus, a signal receiving circuit, and a comprehensive optical signal synchronization system. These inventions enable precise signal position detection, frequency offset compensation, clock offset compensation, and chromatic dispersion estimation in communication systems that utilize coherent detection with optical signals. This technology allows for improved performance in environments where signals experience large temporal offsets.

Career Highlights: His professional journey includes significant contributions to the Nippon Telegraph and Telephone Corporation, where he applied his innovative skills to various engineering challenges. Yoshida is well-regarded for his forward-thinking approach and commitment to enhancing the technology landscape through his inventive solutions.

Collaborations: Throughout his career, Yoshida has collaborated with other notable inventors, including Yutaka Miyamoto and Takayuki Kobayashi. These collaborations speak to his ability to work with talented individuals in the industry, fostering an environment of creativity and innovation.

Conclusion: Eiji Yoshida's contributions to inventions and innovations stand as a testament to his expertise and vision in technology. With a diverse range of patents and partnerships, Yoshida continues to make significant strides in his field, inspiring future generations of inventors and engineers. His dedication and ingenuity exemplify the spirit of innovation that drives progress in our ever-evolving world.

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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