This inventor holds 2 USPTO granted patents. Top assignee: Nissan Motor Company Limited. Active years: 2009.
Company Filing History:
Years Active: 2009
Title: Innovations of Hideaki Ohtsuka
Introduction
Hideaki Ohtsuka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of motor control technology, holding 2 patents that showcase his innovative approach to engineering challenges.
Latest Patents
Ohtsuka's latest patents include an "Apparatus and method for controlling a motor." This invention discloses a motor control device that reduces the shock caused by torque increase during the switching output of a motor's power generator from PWM wave voltage driving to square-wave voltage driving. The switching is determined based on the rotation speed of the motor and a torque instruction value. When switching occurs, the voltage output of the power generator is reduced, ensuring a smoother transition.
Another significant patent is the "Vehicle drive force control apparatus." This device stabilizes the output of the electric motor even during acute changes in engine rotational speed. The output of the engine is delivered to the front wheels through a transmission and also to an electric generator. The system predicts changes in engine speed based on transmission shifts and adjusts the field current of the electric generator accordingly, enhancing vehicle performance.
Career Highlights
Hideaki Ohtsuka is currently employed at Nissan Motor Company Limited, where he applies his expertise in motor control systems. His work has contributed to advancements in vehicle technology, particularly in enhancing the efficiency and reliability of electric motors.
Collaborations
Ohtsuka has collaborated with notable colleagues, including Hidehiko Sugita and Hideki Kawashima. Their combined efforts have led to innovative solutions in the automotive industry.
Conclusion
Hideaki Ohtsuka's contributions to motor control technology reflect his dedication to innovation and engineering excellence. His patents demonstrate a commitment to improving vehicle performance and efficiency, making him a valuable asset in the automotive field.