Tokyo, Japan

Seiichi Fujii

This inventor holds 2 USPTO granted patents. Top assignees: Suntec System Co., Ltd., Other. Active years: 1998-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiichi Fujii. Retrieved from https://idiyas.com/inventor/seiichi-fujii-5m3obfm1

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Tokyo, JP (1998)
  • Yokohama, JP (2004)

Company Filing History:

goldMedal2 out of 2 
 
Suntec System Co., Ltd.
 patents
silverMedal1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1998-2004

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2 patents (USPTO):Explore Patents

Title: Seiichi Fujii - Innovator in Environmental Technology

Introduction

Seiichi Fujii is a notable inventor based in Tokyo, Japan. He has made significant contributions to environmental technology, particularly in the recycling of sulfuric acid and the processing of exhaust gases. With a total of 2 patents, his work reflects a commitment to innovation and sustainability.

Latest Patents

One of his latest inventions is the sulfuric acid recycle apparatus. This apparatus is designed to concentrate sulfuric acid, which becomes diluted after the wafer cleaning process, to a level suitable for recycling. The system includes a reaction bath with an introduction port and a discharge port, allowing for the efficient recovery of concentrated sulfuric acid from the waste fluid. Additionally, he has developed an exhaust gas processing system that features a particle separating apparatus. This system effectively removes particles from exhaust gas, utilizing a gas vessel and guide walls to create vertical, whirling currents that enhance particle separation.

Career Highlights

Seiichi Fujii has worked with Suntec System Co., Ltd., where he applied his expertise in environmental technology. His innovative approaches have contributed to advancements in the field, showcasing his ability to address complex challenges in waste management and recycling.

Collaborations

Throughout his career, Fujii has collaborated with notable professionals, including Hiroshi Nagano and Okimitsu Yasuda. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and expertise.

Conclusion

Seiichi Fujii's contributions to environmental technology through his patents demonstrate his dedication to innovation and sustainability. His work in recycling sulfuric acid and processing exhaust gases highlights the importance of developing solutions that benefit both industry and the environment.

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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