Osaka, Japan

Tadao Nakatsuji

This inventor holds 31 USPTO granted patents, primarily in Catalytic Reduction. Top assignees: Sakai Chemical Industry Co., Ltd., Petroleum Energy Center, Cosmo Oil Co., Ltd.. Active years: 1981-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadao Nakatsuji. Retrieved from https://idiyas.com/inventor/tadao-nakatsuji

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 = 3.6

ph-index = 14

Forward Citations = 581(Granted Patents)


Location History:

  • Matsubara, JP (1981 - 1985)
  • Kashibacho, JP (1991)
  • Nara, JP (1992 - 1993)
  • Kitakatsuragi, JP (1993)
  • Osaka, JP (1989 - 1998)
  • Sakai, JP (1990 - 2000)

Company Filing History:


Years Active: 1981-2000

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Areas of Expertise:
Catalyst
Nitrogen Oxides
Ozone Decomposition
Denitrization
Exhaust Gas
Ceramic Honeycomb
Regeneration
Deodorizing Catalyst
Particulate Filter
Titanium Oxides
Catalytic Structure
Wear Prevention
31 patents (USPTO):Explore Patents

Title: Tadao Nakatsuji: Innovator in Catalytic Technologies

Introduction

Tadao Nakatsuji, based in Osaka, Japan, is a notable inventor with an impressive portfolio of 31 patents. His work primarily focuses on catalysts and methods for reducing nitrogen oxides, contributing significantly to advancements in environmental technologies.

Latest Patents

Among his latest innovations, Nakatsuji has developed a catalyst and method for the catalytic reduction of nitrogen oxides. This invention utilizes a hydrocarbon or an oxygen-containing organic compound as a reducing agent, featuring silver aluminate supported on a solid acid carrier material. Furthermore, he has introduced a catalyst that comprises silver aluminate and transition elements such as tungsten, molybdenum, and vanadium, each supported on a solid acid carrier material. Additionally, he has patented a process for removing nitrogen oxide from exhaust gases, which involves using an alumina catalyst with specific characteristics in terms of pore volume and size, capable of effectively purifying exhaust emissions.

Career Highlights

Throughout his career, Nakatsuji has been associated with renowned organizations such as Sakai Chemical Industry Co., Ltd. and the Petroleum Energy Center. His expertise in catalyst development has played a vital role in improving air quality and addressing environmental concerns related to vehicle emissions. His innovative contributions have not only advanced scientific knowledge but have also had practical applications in the industry.

Collaborations

Tadao Nakatsuji has collaborated with esteemed colleagues, including Masafumi Yoshimoto and Kazuhiko Nagano. Through these partnerships, he has been able to exchange ideas and leverage shared expertise, further enhancing the impact of his inventions in the field of catalysis.

Conclusion

Tadao Nakatsuji stands as a prominent figure in the field of catalytic technology, with a rich history of innovation. His contributions, particularly in the development of efficient nitrogen oxide reduction methods, underscore his dedication to improving environmental outcomes. As his patents continue to pave the way for advancements in this vital area, Nakatsuji's legacy as an inventor and innovator is firmly established.

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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