This inventor holds 58 USPTO granted patents and 5 published patent applications and 13 EPO patents, primarily in Power Conversion Technology. Top assignees: Hitachi Automotive Systems, Ltd., Hitachi, Ltd., Hitachi Astemo Ltd.. Active years: 2002-2026.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Chiyoda-machi, JP (2004)
- Nihari, JP (2004 - 2005)
- Niihari-gun, JP (2006)
- Chiyoda, JP (2002 - 2008)
- Kasumigaura, JP (2008)
- West Bloomfield, MI (US) (2012)
- Tokyo, JP (2016 - 2021)
- Kashiwa, JP (2009 - 2023)
- Hitachinaka, JP (2021 - 2024)
- Ibaraki, JP (2024)
Company Filing History:
19 out of 2,028 
18 out of 42,731 
16 out of 1,495 
Years Active: 2002-2026
Areas of Expertise:
Title: Noriyuki Maekawa: Innovating Power Conversion and Fuel Injection Technologies
Introduction
Noriyuki Maekawa, an esteemed inventor based in Kashiwa, Japan, has made significant contributions to the fields of power conversion and fuel injection technology. With a remarkable portfolio of 50 patents, he continues to drive innovation within the industry, seeking solutions to complex technical challenges.
Latest Patents
Two of Maekawa's latest patents showcase his creativity and expertise. The first patent details a **Power Conversion Device** designed to be miniaturized for enhanced efficiency. This invention comprises a power module that conducts the switching operation, a smoothing capacitor to reduce voltage ripple, and a circuit board that manages the module's functions. The design cleverly accommodates the power module and capacitor within a housing, providing structural integrity through first and second fixing members.
The second patent focuses on a **Fuel Injection Valve** aimed at minimizing fuel adhesion to the nozzle surface. This innovative valve features an injection hole designed with a unique curved surface that optimizes fuel flow and reduces deposits. The curvature of the inner and outer surfaces facilitates better performance, marking a significant advancement in fuel injection technology.
Career Highlights
Throughout his career, Noriyuki Maekawa has worked with leading companies like Hitachi Automotive Systems, Ltd. and Hitachi, Ltd. His tenure in these organizations has allowed him to hone his skills as an inventor and contribute to groundbreaking projects that enhance vehicle performance and efficiency.
Collaborations
Maekawa has collaborated with notable colleagues, including Motoyuki Abe and Tohru Ishikawa. These partnerships have been integral to his projects, fostering an environment of cooperation and shared knowledge that drives successful innovation.
Conclusion
Noriyuki Maekawa's inventive spirit and technical acumen have established him as a prominent figure in the engineering realm. With his latest advancements in power conversion devices and fuel injection systems, his work exemplifies the importance of innovation in addressing modern challenges in automotive technology. As he continues to explore new frontiers, Maekawa's contributions are poised to shape the future of the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile