Kitakyushu, Japan

Katsuhiro Shirono

This inventor holds 12 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents. Top assignees: Catalysts & Chemicals Industries Co., Ltd., Jgc Catalysts & Chemicals Ltd., Hitachi Chemical Filtec, Inc.. Active years: 1986-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Shirono. Retrieved from https://idiyas.com/inventor/katsuhiro-shirono

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


% Patents Active = 75.0


 

Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 219(Granted Patents)


Location History:

  • Fukuoka, JP (2008 - 2009)
  • Kitakyushu, JP (1986 - 2011)

Company Filing History:


Years Active: 1986-2011

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12 patents (USPTO):Explore Patents

Title: The Innovative Mind of Katsuhiro Shirono: A Glimpse into His Patents and Contributions

Introduction: Katsuhiro Shirono, an accomplished inventor based in Kitakyushu, Japan, has made significant strides in the field of exhaust gas treatment and metal oxide technology. With a remarkable portfolio of 12 patents, Shirono’s work reflects a commitment to innovation and sustainable solutions in environmental protection.

Latest Patents: Among his latest inventions, Shirono has developed an innovative exhaust gas treatment apparatus designed to efficiently reduce nitrogen oxides (NOx) in exhaust emissions. This sophisticated device includes two main components: device (A), which selectively reduces NOx, and device (B), situated upstream to decompose urea and supply ammonia for the reduction process. The apparatus utilizes advanced catalysts, such as zeolite catalysts and honeycomb catalysts, enhancing its effectiveness in treating harmful emissions.

Another important contribution from Shirono is his patented method for forming a metal oxide fine particle layer on a conductive substrate. This method presents an easier and more efficient alternative to conventional techniques like plating and chemical vapor deposition (CVD). The technique involves immersing a conductive substrate in a dispersion of metal oxide fine particles, applying a direct-current voltage, and achieving a uniform and strong layer with excellent adhesion and abrasion resistance.

Career Highlights: Katsuhiro Shirono has worked with leading organizations, including Catalysts & Chemicals Industries Co., Ltd. and JGC Catalysts & Chemicals Ltd. His tenure at these firms has allowed him to design and implement substantial innovations, furthering research and development in catalyst technologies.

Collaborations: Throughout his career, Shirono has collaborated with talented professionals in the field. Notable colleagues such as Tsuguo Koyanagi and Michio Komatsu have contributed to his projects, enhancing the scope and impact of their research endeavors.

Conclusion: Katsuhiro Shirono exemplifies the spirit of innovation in modern engineering with his dedication to developing effective solutions for environmental challenges. His patents not only reflect his technical expertise but also his commitment to a cleaner, more sustainable future. The ongoing influence of his work will continue to resonate in the fields of exhaust gas treatment and material science, inspiring future generations 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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