This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: Toyota Jidosha Kabushiki Kaisha. Active years: 2006-2010.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 2006-2010
Title: Sojiro Yokoyama: Innovator in Vehicle Control Technology
Introduction
Sojiro Yokoyama is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of vehicle control technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of vehicle systems.
Latest Patents
Yokoyama's latest patents include innovative technologies such as a vehicle controller and a voltage conversion device. The vehicle controller is designed for vehicles equipped with at least one motor that drives the wheels. It features an inverter that drives the motor and a boosting converter that supplies DC power to the inverter. This controller performs both rectangular wave control and non-rectangular wave control in a switched manner, ensuring optimal performance. An emergency switching condition is integrated to enhance safety and reliability during operation.
The voltage conversion device serves as a transformer placed between a DC power source and a motor. It includes sensors to monitor electric power input and output, along with a buck-boost converter that adjusts the power flow based on the regenerated power supplied to the DC source. This innovative design allows for efficient energy management in electric vehicles.
Career Highlights
Sojiro Yokoyama is currently employed at Toyota Jidosha Kabushiki Kaisha, where he continues to develop cutting-edge technologies in the automotive sector. His work has been instrumental in advancing vehicle control systems, contributing to the overall improvement of vehicle performance and safety.
Collaborations
Yokoyama collaborates with talented coworkers such as Masaki Okamura and Hideaki Yaguchi. Their combined expertise fosters a creative environment that drives innovation within the company.
Conclusion
Sojiro Yokoyama's contributions to vehicle control technology exemplify the spirit of innovation in the automotive industry. His patents reflect a commitment to enhancing vehicle efficiency and safety, making a lasting impact on the future of transportation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile