Tokyo, Japan

Tatsuo Nagai

This inventor holds 10 USPTO granted patents and 9 published patent applications and 3 EPO patents. Top assignees: Kurita Water Industries Ltd., Nippon Paper Industries Co., Ltd., Api Corporation. Active years: 2007-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tatsuo Nagai. Retrieved from https://idiyas.com/inventor/tatsuo-nagai

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

USPTO Granted Patents = 10 

% Patents Active = 50.0

 

Average Co-Inventor Count = 3.5

ph-index = 3

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 2007-2022

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10 patents (USPTO):Explore Patents

Title: **The Innovative Mind of Tatsuo Nagai**

Introduction

Tatsuo Nagai, an accomplished inventor based in Tokyo, Japan, has made significant contributions to the field of material sciences with a focus on innovative treatment methods involving polyphenylen sulfide resin. With a portfolio of 10 patents, he is recognized for his pioneering work that enhances the cleaning and treatment processes for industrial applications.

Latest Patents

One of Tatsuo Nagai's latest patents is a method for hydrophilization treatment of polyphenylen sulfide resin. This patent describes a sophisticated treatment device, which includes a treatment tank and an electrolytic cell that features diamond electrodes connected to a circulating pump. The device operates by filling both the treatment tank and the electrolytic cell with sulfuric acid at a specified concentration. By applying current to the electrolytic cell, the sulfuric acid is electrolyzed to produce a persulfuric acid solution, which is then utilized for treating a vertically suspended PPS resin board. This innovative process demonstrates Tatsuo's commitment to advancing industrial cleaning technologies.

Another noteworthy patent is the sulfuric acid recycling type cleaning system and persulfuric acid supply apparatus. This invention is designed to work in conjunction with cleaning systems that utilize persulfuric acid. By regenerating the persulfuric acid solution through an electrolytic reaction, it ensures a continuous cleaning capability while improving cleaning performance through increased concentration of persulfuric acid. The configuration includes a cleaning vessel and a feeding apparatus, showcasing Tatsuo’s ingenuity in enhancing industrial cleaning processes.

Career Highlights

Throughout his career, Tatsuo Nagai has worked with prestigious companies such as Kurita Water Industries Ltd. and Nippon Paper Industries Co., Ltd. His experience in these organizations has shaped his expertise in developing advanced treatment solutions for various industrial applications.

Collaborations

Tatsuo has collaborated with several talented individuals, including Yoshimi Midorikawa and Tatsuyuki Kurihara. These partnerships have facilitated the exchange of ideas and contributed to the success of his patented inventions.

Conclusion

In conclusion, Tatsuo Nagai stands out as a dedicated inventor whose work in the field of polyphenylen sulfide resin treatment reflects his innovative spirit and technical prowess. His contributions not only advance industrial cleaning technologies but also lay the groundwork for future innovations in material science. With his extensive patent portfolio, Tatsuo continues to inspire the next generation of inventors and engineers.

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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