Ryuji Watanabe

Title: Ryuji Watanabe: Innovator in Engine Control and Motor Drive Technology

Introduction

Ryuji Watanabe is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the fields of engine control and motor drive technology. With a total of 2 patents, Watanabe's work reflects his innovative approach to solving complex engineering challenges.

Latest Patents

Watanabe's latest patents include a control method and control device for engines. This control method involves determining whether a predetermined fuel supply stop condition has been fulfilled. It executes stop time vibration suppression control after the fuel supply is halted, temporarily supplying fuel to the engine to suppress vehicle vibration. The method also includes determining whether a specific number of cylinders have undergone a combustion stroke after the fuel supply has stopped. In cases where this condition is met, fuel is supplied to a predetermined number of cylinders.

Another significant patent is the capstan motor drive control device. This device controls a capstan motor using a signal derived from a frequency generator. The signal is converted to a voltage that reflects the instantaneous change in velocity of the rotating motor. The device estimates the instantaneous velocity based on the derived acceleration, allowing the motor to start and stop with constant acceleration and deceleration.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies such as Sony Corporation and Nissan Motor Company Limited. His experience in these leading organizations has contributed to his expertise in engineering and innovation.

Collaborations

Watanabe has collaborated with notable coworkers, including Yoshinori Kobayashi and Masafumi Okishima. Their collective efforts have further advanced the technologies in which they specialize.

Conclusion

Ryuji Watanabe's contributions to engine control and motor drive technology highlight his innovative spirit and technical expertise. His patents reflect a commitment to improving vehicle performance and efficiency. Watanabe's work continues to influence the engineering landscape, showcasing the importance of innovation in technology.