Location History:
- Kanagawa, JP (2013)
- Tokyo, JP (2021 - 2024)
Company Filing History:
Years Active: 2013-2025
Title: The Innovations of Takeshi Ohtsuki: Pioneering Patents in Tokyo
Introduction: Takeshi Ohtsuki is a distinguished inventor based in Tokyo, Japan, recognized for his contributions to semiconductor devices and motor drive systems. With a total of three patents to his name, Ohtsuki has made significant advancements in technology that enhance the performance and efficiency of various systems.
Latest Patents: Among his latest patents, Ohtsuki has developed a semiconductor device specifically designed for driving and controlling three-phase motors in sensorless systems. This innovative device features a detector that is connected to the output nodes of an inverter circuit and the virtual neutral point. It accurately estimates the magnetic pole position of the rotor at the initial start of the motor. Furthermore, this semiconductor device is crucial for applying initial drive voltage to two phases of the three-phase motor, utilizing the estimated rotor position.
His other notable invention is a method of starting a motor, which significantly improves the initial magnetic pole position estimation in three-phase motors. Additionally, Ohtsuki's work includes a camera controller that calculates the shake amount of an imaging apparatus. This device leverages output signals from sensors to determine and correct camera shake, thus ensuring improved image stability.
Career Highlights: Takeshi Ohtsuki is currently employed at Renesas Electronics Corporation, a globally recognized leader in semiconductor solutions. His role within the company underscores his commitment to driving innovation in the field of electronics. Ohtsuki's inventive spirit and practical applications of technology have made him an influential figure in his industry.
Collaborations: Throughout his career, Ohtsuki has collaborated with esteemed colleagues such as Hiromi Takeda and Shunya Yamane. These partnerships have fostered creativity and innovation, leading to the development of cutting-edge technologies and solutions in the semiconductor realm.
Conclusion: Takeshi Ohtsuki's contributions to the field of technology through his patents reflect his ingenuity and dedication to improving electronic systems. With each innovation, Ohtsuki not only advances his own career but also enriches the technological landscape of Japan and beyond. His work at Renesas Electronics Corporation continues to influence the future of semiconductor devices and motor systems.