Nagasaki, Japan

Takuji Fujikawa

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1989.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takuji Fujikawa. Retrieved from https://idiyas.com/inventor/takuji-fujikawa

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 = 6.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1989

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1 patent (USPTO):Explore Patents

Title: Innovator Spotlight: Takuji Fujikawa and His Contributions to Boiler Technology

Introduction: Takuji Fujikawa is a notable inventor based in Nagasaki, Japan, recognized for his innovative advancements in boiler technology. With a keen focus on improving the efficiency and longevity of supercritical pressure once-through boilers, Fujikawa has made significant strides in the field, enhancing the reliability of energy production systems.

Latest Patents: Fujikawa holds a patent for a "Supercritical Pressure Once-Through Boiler." This invention addresses the challenges of short lifespan and high maintenance costs associated with boiler throttle valves. His design allows for the transformation of boiler water into steam within the furnace wall tubes, which is subsequently heated in a superheater before being fed to the main turbine. By incorporating a heat recovery apparatus and optimizing the placement of boiler throttle valves, the patent aims to minimize pressure reduction and enhance operational efficiency.

Career Highlights: Takuji Fujikawa works at Mitsubishi Jukogyo Kabushiki Kaisha, a prominent company in the field of engineering and technology. His focus on energy solutions has positioned him as a key player in the advancement of boiler systems. Throughout his career, Fujikawa has demonstrated a strong commitment to innovation and technological improvement.

Collaborations: In his journey of innovation, Takuji Fujikawa has collaborated with notable coworkers such as Seiji Fukuda and Kaneko Shozou. These partnerships reflect a shared vision for enhancing boiler technology and addressing the complexities associated with energy efficiency in industrial applications.

Conclusion: Takuji Fujikawa exemplifies the spirit of innovation in the field of mechanical engineering. His patent for the supercritical pressure once-through boiler not only showcases his technical expertise but also underscores the importance of innovation in sustaining energy solutions. As the industry continues to evolve, Fujikawa's contributions pave the way for future advancements and reliability in energy production systems.

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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