Tokyo, Japan

Kouji Kassai

This inventor holds 1 USPTO granted patent, plus 1 CIPO patent and 1 EPO patent. Top assignees: Metawater Co., Ltd., Tokyo Metropolitan Sewerage Service Corporation. Active years: 2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kouji Kassai. Retrieved from https://idiyas.com/inventor/kouji-kassai

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 = 9.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2016

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Kouji Kassai

Introduction

Kouji Kassai is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of wastewater treatment technology. His innovative approach has led to the development of a unique wastewater treatment apparatus that addresses critical environmental challenges.

Latest Patents

Kouji Kassai holds 1 patent for his invention titled "Wastewater treatment apparatus, wastewater treatment method, wastewater treatment system, control device, and control method." This apparatus includes an air diffusing unit, a denitrification confirming unit, a nitrification confirming unit, and a gas supply-amount control unit. The air diffusing unit is designed to supply gas to nitrogen-containing water. The denitrification confirming unit, positioned at a predetermined location, verifies the denitrification state to ensure that a desired proportion of nitrate has been denitrified. Similarly, the nitrification confirming unit checks the nitrification state to confirm that a desired proportion of ammonia has been nitrified. The gas supply-amount control unit regulates the gas supply amount to achieve the desired treatment outcomes.

Career Highlights

Throughout his career, Kouji Kassai has worked with prominent organizations such as Metawater Co., Ltd. and the Tokyo Metropolitan Sewerage Service Corporation. His experience in these companies has allowed him to refine his expertise in wastewater management and treatment technologies.

Collaborations

Kouji has collaborated with notable colleagues, including Yuji Furuya and Shigehiro Suzuki. Their combined efforts have contributed to advancements in the field of environmental engineering.

Conclusion

Kouji Kassai's innovative work in wastewater treatment exemplifies the importance of technological advancements in addressing environmental issues. His contributions continue to influence the industry and promote sustainable practices.

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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