Kensington, CA, United States of America

Tetsuo Hadeishi, Deceased

This inventor holds 1 USPTO granted patent. Top assignee: Hughes Aircraft Company. Active years: 1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuo Hadeishi, Deceased. Retrieved from https://idiyas.com/inventor/tetsuo-hadeishi-deceased

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 = 4.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1994

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tetsuo Hadeishi

Introduction: Tetsuo Hadeishi was a notable inventor known for his pioneering work in the field of sensor technology. Residing in Kensington, California, Hadeishi’s innovations played a vital role in advancing methods for monitoring gas emissions, significantly impacting environmental efficiency.

Latest Patents: Hadeishi was the inventor of a groundbreaking patent entitled "Spark-excited fluorescence sensor." This invention provides a sophisticated mechanism for monitoring various gas species such as H2, COx, NOx, N2, NHx, and hydrocarbons. The device helps optimize fuel performance and reduce atmospheric pollutants. It utilizes a spark plug to excite gaseous molecules, alongside an optical fiber window and bundle to capture and transmit fluorescence. The inclusion of bandpass filters, detectors, and a signal processor further enhances its efficacy in improving system performance.

Career Highlights: Throughout his career, Hadeishi was affiliated with Hughes Aircraft Company, where he contributed to significant advancements in sensor technology. His dedication to innovation and excellence set a benchmark in the industry, helping to refine methods for environmental monitoring and fuel efficiency.

Collaborations: Hadeishi worked alongside esteemed colleagues such as Hiroshi Kimura and Harold M. Olsen. Their collaborative efforts enhanced the development and application of sensor technologies, marking a significant period of innovation within their field.

Conclusion: Tetsuo Hadeishi's legacy as an inventor is exemplified through his contributions to sensor technology. His work not only advanced the understanding of gas emissions but also paved the way for more efficient and environmentally friendly systems. His single patent reflects the potential of innovation to address critical challenges in fuel optimization and pollution reduction.

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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