Location History:
- Katsuta, JP (1993 - 1996)
- Hitachinaka, JP (1998)
Company Filing History:
Years Active: 1993-1998
Title: Spotlight on Inventor Wataru Miyake
Introduction: Wataru Miyake is an accomplished inventor based in Katsuta, Japan. With a portfolio of three patents, he has made significant contributions to the field of electrical engineering, particularly in the area of power conversion and control systems. His innovative solutions address common challenges in electrical engineering and transportation technologies.
Latest Patents: Wataru Miyake's latest patents include advanced technologies that improve the efficiency and reliability of electric power converters and railway vehicle control systems. One notable patent, titled "Pulse Width Modulation Control System for Electric Power Converter," introduces a method for suppressing lower order and fractional order harmonics in direct current components. This system utilizes a unique approach of comparing command signals with a continuous triangular-wave carrier signal, significantly enhancing the performance of semiconductor elements within the converter.
Another significant patent is the "Inverter Control Apparatus," which is designed for electric railway vehicle control systems. This invention integrates a converter that transforms single-phase AC voltage into DC voltage and employs a PWM inverter for generating variable voltage and frequency AC output. This system is critical for driving three-phase induction motors in electric railway vehicles, showcasing Miyake's commitment to advancing transportation technology.
Career Highlights: Wataru Miyake is affiliated with Hitachi, Ltd., a leading company in the field of electrical equipment and services. His work at Hitachi has allowed him to contribute to groundbreaking technologies that address modern power challenges, thereby enhancing the reliability and efficiency of power management systems.
Collaborations: Throughout his career, Wataru has worked alongside notable colleagues such as Kiyoshi Nakata and Tokunosuke Tanamachi. These collaborations reflect a strong commitment to innovation and excellence in engineering design, further fostering advancements within the industry.
Conclusion: Wataru Miyake's contributions to electrical engineering through his patents exemplify the power of innovation in addressing modern technological challenges. His work at Hitachi, combined with collaborative efforts with esteemed colleagues, continues to drive progress in electric power systems and transportation technologies, marking him as a prominent figure in his field.