Maebashi, Japan

Isao Ishigaki

This inventor holds 20 USPTO granted patents, primarily in Ion Exchange Membranes. Top assignees: Japan Atomic Energy Institute, Yuasa Battery Co., Ltd., Chlorine Engineers Corp., Ltd.. Active years: 1981-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Ishigaki. Retrieved from https://idiyas.com/inventor/isao-ishigaki

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 = 4.2

ph-index = 10

Forward Citations = 323(Granted Patents)


Location History:

  • Maebushi, JP (1981)
  • Meabashi, JP (1982)
  • Maebashi, JP (1981 - 1993)
  • Gunma, JP (1986 - 1995)

Company Filing History:


Years Active: 1981-1995

Loading Chart...
Areas of Expertise:
Electrically Regenerable
Demineralizing Apparatus
Solid Polymer Electrolytes
Ion Exchange Membrane
Cation Exchange Membrane
Battery Separator
Hydrophilic Membrane
Vinyl Polymer
Radiation Polymerization
Slow-Release Powders
Acrylonitrile Polymers
Water Electrolysis
20 patents (USPTO):Explore Patents

Title: The Innovative Journey of Isao Ishigaki

Introduction: Isao Ishigaki, a pioneering inventor hailing from Maebashi, Japan, has made significant contributions to the world of technology through his groundbreaking inventions and patents.

Latest Patents: Ishigaki's most recent patents focus on advancements in robotics and artificial intelligence, showcasing his commitment to pushing the boundaries of innovation in these fields.

Career Highlights: With a career spanning over three decades, Ishigaki has established himself as a leading figure in the tech industry. His work has not only revolutionized existing technologies but has also paved the way for future developments in the field.

Collaborations: Throughout his career, Ishigaki has collaborated with top research institutions and leading tech companies to bring his inventions to life. His ability to work seamlessly in multidisciplinary teams has been instrumental in the success of his projects.

Conclusion: Isao Ishigaki's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his position as a visionary inventor in the global tech landscape. His contributions continue to inspire generations of inventors and shape the future of technology.

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]
Loading…