This inventor holds 2 USPTO granted patents. Top assignees: Honda Giken Kogyo K.k., Honda Giken Kogyo Kabushiki Kaisha. Active years: 1997-1998.
Location History:
- Saitama-ken, JP (1997)
- Saitama, JP (1998)
Company Filing History:
1 out of 182 
1 out of 10,092 
Years Active: 1997-1998
Title: Naofumi Hoshi: Innovator in Electric Vehicle Technology
Introduction
Naofumi Hoshi is a prominent inventor based in Saitama-ken, Japan. He has made significant contributions to the field of electric vehicle technology, holding 2 patents that showcase his innovative approach to enhancing vehicle performance and safety.
Latest Patents
Hoshi's latest patents include a "Control System for Electric Vehicle" and a "Neutral Apparatus for Electric Vehicle." The control system patent describes an electronic control unit designed to manage an inverter that connects a main battery to a motor in an electric vehicle. This system features a feedback control device that ensures the actual electric power aligns with a target electric power based on various parameters, such as motor revolution number and accelerator opening degree. Additionally, it includes a regeneration prohibiting device that prevents damage to the inverter during regenerative operation by interrupting the regenerative process if the voltage exceeds a predetermined value.
The neutral apparatus patent outlines a mechanism that detects the control state of the motor control unit and can interrupt the power train if the unit is not in a predetermined state. This innovation allows for better monitoring of the vehicle's control state during operation, enhancing safety and reliability.
Career Highlights
Throughout his career, Naofumi Hoshi has worked with notable companies, including Honda Giken Kogyo Kabushiki Kaisha and Honda Giken Kogyo K.K. His experience in these organizations has contributed to his expertise in electric vehicle technology and innovation.
Collaborations
Hoshi has collaborated with esteemed colleagues such as Kiyotaka Hayashi and Hisahiro Ito, further enriching his work in the field of electric vehicles.
Conclusion
Naofumi Hoshi's contributions to electric vehicle technology through his patents and career experiences highlight his role as a key innovator in the industry. His work continues to influence advancements in electric vehicle systems and safety mechanisms.