Miyoshi, Japan

Masayuki Yamaji

This inventor holds 37 USPTO granted patents, primarily in Automobile Design. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2004-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Yamaji. Retrieved from https://idiyas.com/inventor/masayuki-yamaji

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 = 1.8

ph-index = 11

Forward Citations = 401(Granted Patents)


Location History:

  • Aichi-ken, JP (2004)
  • Toyota, JP (2006 - 2011)
  • Miyoshi, JP (2013 - 2023)

Company Filing History:


Years Active: 2004-2023

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Areas of Expertise:
Sensor Installation
Front Combination Lamp
Front Bumper
Front Fender
Rear Portion
Motor Vehicle Replica
Side Panel
Front Panel
Rear Fender
Front Grille
Rear Combination Lamp
Automobile Design
37 patents (USPTO):Explore Patents

Title: Masayuki Yamaji: Innovator in Automotive Technology

Introduction: Masayuki Yamaji, based in Miyoshi, Japan, is a prolific inventor renowned for his contributions to automotive technology. Holding a remarkable total of 37 patents, Yamaji has been instrumental in advancing various aspects of vehicle design and functionality.

Latest Patents: Among his latest innovations is the "Sensor Installation Structure," which revolutionizes how sensors are integrated into vehicles. This structure features an exterior panel positioned on the vehicle's side, with an installation surface recessed inward from the panel's general surface. The connecting surface extends outward in a sloping manner, ensuring that surroundings information sensors can effectively detect environmental data while maintaining an efficient design. Another notable patent is the "Front Combination Lamp for an Automobile," showcasing Yamaji's ability to enhance safety and aesthetics through innovative lighting solutions.

Career Highlights: Masayuki Yamaji serves as an inventor at Toyota Jidosha Kabushiki Kaisha, a leading automotive company. His career has been marked by a commitment to pushing the boundaries of vehicle technology, ultimately improving driver and passenger experiences.

Collaborations: Throughout his career, Yamaji has collaborated with esteemed colleagues, including Hiroyuki Tada and Kenji Kido. Together, they have contributed to groundbreaking projects that foster innovation within the automotive industry.

Conclusion: Masayuki Yamaji stands out as a key figure in the field of automotive innovation. With his extensive patent portfolio and dedication to enhancing vehicle technology, he continues to shape the future of transportation, making significant strides that benefit both manufacturers and consumers alike.

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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