Naka, Japan

Toshiharu Hayashi

This inventor holds 24 USPTO granted patents and 1 published patent application and 3 EPO patents, primarily in Conductive Film Technology. Top assignees: Mitsubishi Materials Corporation, Dai Nippon Toryo Co., Ltd., Dai Nippon Toryo Kabushiki Kaisha. Active years: 1977-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Hayashi. Retrieved from https://idiyas.com/inventor/toshiharu-hayashi

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

USPTO Granted Patents = 24 

% Patents Active = 70.8


Average Co-Inventor Count = 3.2

ph-index = 8

Forward Citations = 303(Granted Patents)


Location History:

  • Yokohama, JA (1977)
  • Yokohama, JP (1980 - 2000)
  • Saitama-ken, JP (1996 - 2002)
  • Omiya, JP (1996 - 2002)
  • Ohmiya, JP (2003)
  • Saitama, JP (2004)
  • Naka-gun, JP (2010 - 2018)

Company Filing History:


Years Active: 1977-2018

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Areas of Expertise:
Conductive Reflective Film
Solar Cell Electrode
Metal Nanoparticles
Transparent Conductive Film
Conductive Pigment Powder
Electrode Formation
Anti-Corrosion Coating
Low-Resistance Pigment
Infrared Ray Cutoff Material
Fine Metal Particle Dispersion
Underwater Curable Coating
Ultraviolet Range Laser
24 patents (USPTO):Explore Patents

Title: Toshiharu Hayashi: Pioneering Inventor from Naka-gun, Japan

Introduction: Toshiharu Hayashi is a renowned inventor hailing from Naka-gun, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hayashi's recent patents focus on advancements in renewable energy technologies, particularly in the development of solar power systems that are more efficient and cost-effective.

Career Highlights: With a career spanning over two decades, Hayashi has worked tirelessly to push the boundaries of innovation, holding multiple patents in the areas of clean energy, sustainable materials, and electronic devices.

Collaborations: Throughout his career, Hayashi has collaborated with leading research institutions and technology companies to bring his inventions to life, showcasing his ability to work across disciplines and industries.

Conclusion: Toshiharu Hayashi's dedication to innovation and his passion for creating a more sustainable future through his inventions have solidified his position as a pioneering inventor in the global tech community.

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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