Osaka, Japan

Keiji Kai

This inventor holds 15 USPTO granted patents and 3 published patent applications, plus 1 CIPO patent. Top assignees: Kokuyo Co., Ltd., Kokuyo S&t Co., Ltd., Fujisawa Pharmaceutical Company, Ltd.. Active years: 1990-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Kai. Retrieved from https://idiyas.com/inventor/keiji-kai

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

USPTO Granted Patents = 15 

% Patents Active = 100.0


Average Co-Inventor Count = 2.4

ph-index = 6

Forward Citations = 84(Granted Patents)


Company Filing History:


Years Active: 1990-2014

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15 patents (USPTO):Explore Patents

Title: Keiji Kai - Innovative Inventor from Osaka

Introduction: Keiji Kai is a renowned inventor hailing from Osaka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiji Kai holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancements.

Career Highlights: With a career spanning over two decades, Keiji Kai has worked with leading research institutions and tech companies, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Keiji Kai has collaborated with top engineers, scientists, and designers, fostering a culture of innovation and creativity that has led to the development of cutting-edge solutions for complex challenges.

Conclusion: Keiji Kai's passion for innovation and his relentless pursuit of excellence have solidified his position as a visionary inventor, inspiring the next generation of innovators to dream big and create a better future through 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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