Zama, Japan

Tomohiro Okamoto

This inventor holds 1 USPTO granted patent. Top assignees: Mahle Powertrain Limited, Nissan Motor Company Limited. Active years: 2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomohiro Okamoto. Retrieved from https://idiyas.com/inventor/tomohiro-okamoto-f5yliu7c

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

Calculating rank

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2007

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1 patent (USPTO):Explore Patents

Title: Profile of Inventor Tomohiro Okamoto

Introduction: Tomohiro Okamoto is a notable inventor based in Zama, Japan, recognized for his significant contribution to engine design. With one registered patent, he has made advancements that enhance the efficiency and reliability of vehicle engines.

Latest Patents: Okamoto's patent, titled "Engine Oil Return System," addresses the challenges related to oil return in a vehicle's engine. The design features an oil return passage that is strategically arranged along the downward first side surface of the engine, which is mounted at a slanted angle. This innovative system ensures that engine oil is effectively returned to the oil pan, even under high acceleration conditions that may cause backflow. The use of an oil return extension pipe aids in facilitating this process, demonstrating Okamoto's commitment to improving engine performance.

Career Highlights: Throughout his career, Tomohiro Okamoto has contributed his expertise to prominent companies. He worked at Nissan Motor Company Limited, where he likely refined his skills in automotive engineering and innovation. Additionally, his time at Mahle Powertrain Limited further cemented his reputation as a skilled inventor within the automotive industry.

Collaborations: Okamoto has collaborated with esteemed colleagues such as Noaki Nakada and Manabu Kato. These partnerships likely provided him with diverse insights and experiences that have enriched his work and innovations in engine technology.

Conclusion: Tomohiro Okamoto exemplifies the spirit of innovation within the automotive sector. His patented engine oil return system stands as a testament to his engineering prowess and dedication to advancing vehicle technology. As he continues to innovate, Okamoto's contributions may inspire future advancements in engine design and automotive reliability.

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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