Tokyo, Japan

Seishi Tokunaga

This inventor holds 1 USPTO granted patent and 1 EPO patent. Top assignee: Nikken Kogaku Co., Ltd. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seishi Tokunaga. Retrieved from https://idiyas.com/inventor/seishi-tokunaga

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


 

Average Co-Inventor Count = 8.0

ph-index = 1


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: Seishi Tokunaga: Innovator in Environmentally Active Concrete

Introduction

Seishi Tokunaga is a notable inventor based in Tokyo, Japan. He is recognized for his innovative contributions to the field of concrete technology, particularly in developing environmentally active concrete. His work aims to enhance the sustainability and functionality of concrete materials.

Latest Patents

Tokunaga holds a patent for an environmentally active concrete. This invention addresses the challenge of reducing the amount of organism attractant substances that remain in concrete, which are often used wastefully. The patented concrete block is designed to allow these substances to flow out gradually over time. It features increased air content and flowability, which helps maintain the growth effects for fish, shellfish, and algae. This innovative concrete block is structured with at least three legs and incorporates an organism attractant substance with a specific odor, enhancing its effectiveness.

Career Highlights

Throughout his career, Seishi Tokunaga has worked with prominent companies such as Nikken Kogaku Co., Ltd. and Ajinomoto Co., Ltd. His experience in these organizations has contributed to his expertise in concrete technology and environmental sustainability.

Collaborations

Some of his notable coworkers include Takaki Yukimoto and Yasuhiro Kaneko. Their collaboration has likely played a role in advancing Tokunaga's innovative projects.

Conclusion

Seishi Tokunaga's work in developing environmentally active concrete represents a significant advancement in sustainable construction materials. His innovative approach not only addresses environmental concerns but also enhances the functionality of concrete in various applications.

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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