This inventor holds 3 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 1992-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Zushi, JP (1992)
- Kanagawa, JP (1992 - 2000)
Company Filing History:
Years Active: 1992-2000
Title: Norifumi Isaji: Innovator in Electric Vehicle Technology
Introduction
Norifumi Isaji is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of electric vehicle technology, holding a total of 3 patents. His work focuses on enhancing the performance and safety of electric vehicles through innovative control systems.
Latest Patents
Isaji's latest patents include an apparatus and method for preventing overload on switching devices in electric vehicles. This invention addresses the challenges faced when a motor is locked during operation on an ascending slope. By determining a limitation torque based on the estimated junction temperatures of the inverter circuit's switching devices, Isaji's method calculates the necessary output torque to escape the locked state.
Another notable patent is a method for calibrating a throttle angle sensor. This system samples sensor signal values that represent the maximum and minimum open angle positions of the throttle valve upon engine startup. The stored values are used to derive a correction factor that ensures accurate monitoring of the throttle angle throughout engine operation, preventing stalling even in cold conditions.
Career Highlights
Norifumi Isaji is currently employed at Nissan Motor Company Limited, where he continues to develop innovative solutions for electric vehicles. His expertise in control systems has positioned him as a key player in the advancement of automotive technology.
Collaborations
Isaji has collaborated with notable colleagues such as Shinji Ohashi and Yasuo Matsunaga. Their combined efforts contribute to the ongoing research and development initiatives at Nissan, focusing on improving vehicle performance and safety.
Conclusion
Norifumi Isaji's contributions to electric vehicle technology through his patents and work at Nissan Motor Company Limited highlight his role as an influential inventor in the automotive industry. His innovative approaches continue to shape the future of electric vehicles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile