Tokyo, Japan

Kai Endo

This inventor holds 6 USPTO granted patents. Top assignee: Tenga Co., Ltd. Active years: 2020-2025.

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

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.3

ph-index = 2

Forward Citations = 40(Granted Patents)


Company Filing History:


Years Active: 2020-2025

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6 patents (USPTO):Explore Patents

Title: The Innovations of Inventor Kai Endo

Introduction: Kai Endo is a prominent inventor based in Tokyo, Japan, known for his innovative contributions to technology. With a total of five patents to his name, he continues to push the boundaries of invention and design, particularly in the field of personal health and wellness.

Latest Patents: Among his notable inventions, the latest patent from Kai Endo is the Sperm Sampler. This ingenious device demonstrates his commitment to enhancing personal healthcare solutions and showcases his inventive spirit.

Career Highlights: Currently, Kai Endo works at Tenga Co., Ltd., a company renowned for its innovative products in the adult wellness industry. His role at Tenga allows him to blend creativity with cutting-edge technology, contributing to advancements that are both practical and beneficial.

Collaborations: In his journey as an inventor, Kai collaborates closely with his coworker, Kengo Nakamura. Their partnership exemplifies the power of teamwork in driving innovation and developing new ideas that can lead to groundbreaking patents.

Conclusion: In summary, Kai Endo stands out as a forward-thinking inventor whose work continues to impact the landscape of personal health technologies. His contributions, along with his collaborations, reflect a significant dedication to innovation that serves both the industry and society.

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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