Tokyo, Japan

Tetsuji Haga

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignees: Mitsubishi Electric Corporation, Mitsubishi Electric Cornoration. Active years: 2009-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuji Haga. Retrieved from https://idiyas.com/inventor/tetsuji-haga

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

Calculating rank
USPTO Granted Patents = 9 

% Patents Active = 77.8

Average Co-Inventor Count = 2.4

ph-index = 2

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 2009-2025

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9 patents (USPTO):Explore Patents

Title: The Innovative Mind of Tetsuji Haga

Introduction: Tetsuji Haga is a distinguished inventor based in Tokyo, Japan, known for his significant contributions to the fields of technology and automotive safety. With a remarkable portfolio of eight patents, Haga has consistently pushed the boundaries of innovation, making advancements that impact the future of transportation.

Latest Patents: Among his latest patents is the "Surrounding Area Monitoring Apparatus and Surrounding Area Monitoring Method." This innovative system receives visual field information about the driver of a surrounding vehicle and determines whether the self-vehicle lies outside that visual field. By understanding the dynamic visual field range of the surrounding vehicle's driver, the apparatus effectively delivers essential information while minimizing unnecessary alerts. This invention is a significant step towards enhancing situational awareness in automotive technology.

Career Highlights: Tetsuji Haga has a rich career history marked by his tenure at Mitsubishi Electric Corporation, where he applied his expertise in engineering and innovation. Through his work, he has contributed to various projects that have solidified the company's standing in the technology sector. His efforts in developing advanced monitoring systems reflect his commitment to improving safety and efficiency in transportation.

Collaborations: Throughout his career, Haga has had the privilege of collaborating with esteemed colleagues, including Masahiko Katayama and Takahisa Aoyagi. These partnerships have fostered an environment of creative exchange, allowing for the birth of innovative ideas and solutions.

Conclusion: Tetsuji Haga's work represents a blend of creativity, technological advancement, and a dedication to enhancing safety in the automotive industry. With his numerous patents and collaborative spirit, Haga continues to inspire the next generation of inventors and innovators. His contributions will undoubtedly influence future developments in transportation 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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