This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Denso Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 2006-2022.
Location History:
- Nagoya, JP (2006 - 2015)
- Kariya, JP (2022)
Company Filing History:
Years Active: 2006-2022
Title: Kenji Funahashi: Innovator in Vehicle Power Supply Systems
Introduction
Kenji Funahashi is a notable inventor based in Nagoya, Japan. He has made significant contributions to the field of vehicle power supply systems, holding a total of 5 patents. His innovative designs focus on enhancing the efficiency and functionality of electric power systems in vehicles.
Latest Patents
One of Funahashi's latest patents is a vehicle power supply system. This system includes a main battery, a sub-battery with output voltage, and a power converter that connects to a motor. The power converter is designed to convert the output power of the main battery into driving power for the motor. Additionally, it features a voltage converter that steps down the voltage from the main battery to the sub-battery. The system also includes a charging inlet for connecting to an external power supply, a capacitor, and a coil that is strategically connected to enhance performance.
Another significant patent is an electric power converter. This device comprises a semiconductor module, a cooler for temperature regulation, and a circuit board equipped with a semiconductor control circuit. The converter also includes a capacitor and a quick discharge resistor to manage electric charge. The design ensures that all components are efficiently arranged on the circuit board, optimizing the overall functionality of the electric power converter.
Career Highlights
Throughout his career, Kenji Funahashi has worked with prominent companies such as Denso Corporation and Toyota Motor Corporation. His experience in these leading automotive firms has allowed him to develop and refine his innovative ideas in vehicle technology.
Collaborations
Funahashi has collaborated with notable colleagues, including Hiroyuki Kawata and Yasuyuki Ohkouchi. Their combined expertise has contributed to the advancement of vehicle power supply systems and electric power converters.
Conclusion
Kenji Funahashi's contributions to the field of vehicle power supply systems demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of electrical engineering and vehicle technology, positioning him as a key figure in the automotive industry.

