Kyoto, Japan

Masaru Fukunaga

This inventor holds 1 USPTO granted patent. Top assignee: Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masaru Fukunaga. Retrieved from https://idiyas.com/inventor/masaru-fukunaga

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Masaru Fukunaga: Innovator in Oxygen Sensing Technology

Introduction: Masaru Fukunaga is an esteemed inventor based in Kyoto, Japan, renowned for his contributions to the field of oxygen sensing technology. With a single but significant patent to his name, Fukunaga's work has the potential to impact various industries, particularly automotive engineering.

Latest Patents: Fukunaga holds a patent for an oxygen sensor that features a hollow tubular element made of a solid electrolyte capable of conducting oxygen ions. This innovative design allows the inner surface of the element to be exposed to the atmosphere, while the outer surface comes into contact with exhaust gas whose oxygen concentration is to be measured. The patent includes first and second electrodes positioned on the inner and outer surfaces, respectively. Notably, the second electrode is coated with a catalyst that facilitates a water gas reaction with carbon monoxide in exhaust gases, enhancing the sensor's accuracy and functionality.

Career Highlights: Currently, Masaru Fukunaga is employed at Mitsubishi Jidosha Kogyo Kabushiki Kaisha, commonly referred to as Mitsubishi Motors. His work at this prestigious company underscores his commitment to advancing automotive technology, particularly in the realm of emissions control.

Collaborations: Fukunaga’s innovation is the result of a collaborative environment, where he has worked alongside notable colleagues, including Hiroshi Tanaka and Masashi Tanaka. Their joint efforts highlight the importance of teamwork in driving technological advancements.

Conclusion: Masaru Fukunaga exemplifies the innovative spirit that drives progress in technology. His patent for the oxygen sensor is not only a testament to his ingenuity but also a significant step forward in improving automotive efficiency and environmental sustainability. Through his work at Mitsubishi Motors, Fukunaga continues to play a crucial role in shaping the future of automotive technology.

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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