Tokyo, Japan

Yumiko Ishikawa

This inventor holds 1 USPTO granted patent and 2 published patent applications. Top assignee: Sanko Chemical Company Ltd.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yumiko Ishikawa. Retrieved from https://idiyas.com/inventor/yumiko-ishikawa

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

USPTO Granted Patents = 1 

% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: Yumiko Ishikawa: Pioneering Inventor from Tokyo

Introduction: Yumiko Ishikawa is a renowned inventor hailing from Tokyo, Japan, known for her groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yumiko Ishikawa holds several patents in the areas of artificial intelligence, robotics, and sustainable energy solutions, showcasing her versatility and forward-thinking approach to invention.

Career Highlights: With over two decades of experience in the tech industry, Yumiko Ishikawa has worked with leading research institutions and multinational corporations, consistently pushing the boundaries of what is possible through her inventive spirit.

Collaborations: Throughout her career, Yumiko Ishikawa has collaborated with top universities and cutting-edge startups, fostering a culture of innovation and knowledge-sharing that has led to the development of revolutionary technologies.

Conclusion: Yumiko Ishikawa's passion for innovation and her dedication to creating a better future through her inventions make her a true trailblazer in the world 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]
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