Inventors with similar research interests:
Location History:
- Aichi, JP (2006)
- Nagoya, JP (1999 - 2007)
- Mie, JP (2007 - 2024)
- Yokkaichi, JP (2008 - 2024)
- Tokyo, JP (2024)
Company Filing History:
169 out of 6,158 
167 out of 10,250 
166 out of 2,099 
Years Active: 1999-2025
Areas of Expertise:
Title: Hiroki Hirai: Innovating the Way We Weld and Power Vehicles
Introduction:
In the realm of innovations, Hiroki Hirai, a prolific inventor hailing from Yokkaichi, Japan, has made significant contributions to the fields of metal member-welded structures and power supply systems in vehicle doors. With an impressive portfolio of 160 patents, Hirai has revolutionized manufacturing processes and improved the efficiency of automotive systems. Let's delve deeper into his latest patents, career highlights, collaborations, and the impact of his inventions.
Latest Patents:
Hirai's latest patents showcase his expertise in metal member-welded structures and power supply systems in vehicle doors. One notable invention is the metal member-welded structure, which involves the joining of materials such as copper (Cu) and aluminum (Al) using a unique welding method. The welded portion exhibits a sea-island structure, comprising pure Al island portions and a sea portion with a eutectic structure of Cu-Al intermetallic compounds and pure Al phases. This innovative technique not only enhances the strength and durability of the welding but also allows for efficient manufacturing processes.
Another noteworthy patent by Hirai is the power supply system in a vehicle door. This system includes a non-contact power receiving part that wirelessly charges a connected battery, and subsequently powers several electrical components within the door. This invention eliminates the need for multiple wiring connections between the door and the vehicle body, simplifying the overall system design and reducing potential maintenance issues.
Career Highlights:
During his career, Hiroki Hirai has worked with prominent companies such as Sumitomo Wiring Systems, Ltd., and Sumitomo Electric Industries, Ltd. At these organizations, he has played a crucial role in research and development, pushing the boundaries of innovation.
Collaborations:
Throughout his career, Hirai has collaborated closely with colleagues who have contributed to his research and inventions. Notably, Tetsuji Tanaka and Makoto Higashikozono have been valuable collaborators, complementing Hirai's expertise and helping him bring his ideas to life.
Conclusion:
Hiroki Hirai's dedication to advancing metal member-welded structures and power supply systems in vehicle doors has significantly impacted the realms of manufacturing and automotive engineering. With an extensive patent portfolio and collaborations with industry experts, Hirai continues to push the boundaries of technological innovation. His inventions have the potential to improve manufacturing efficiency, increase product durability, and simplify complex wiring systems. Hirai's contributions to the field of inventions and patents highlight his invaluable role in shaping the future of various industries.