This inventor holds 14 USPTO granted patents. Top assignees: Mitsubishi Denki Kabushiki Kaisha, Mitsubishi Electric Corporation, Mitsubishi Jidosha Kogyo Kabushiki Kaisha. Active years: 1998-2016.
Location History:
- Tokyo, JP (1998 - 2010)
- Chiyoda-ku, JP (2016)
Company Filing History:
12 out of 21,351 
2 out of 16,571 
1 out of 1,648 
Years Active: 1998-2016
Title: Masayasu Miyajima: Innovator in Electric Drive Technology
Introduction
Masayasu Miyajima is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of electric drive technology, holding a total of 14 patents. His work focuses on enhancing the efficiency and functionality of electric motors and control systems.
Latest Patents
Miyajima's latest patents include an innovative electric drive unit. This electric drive unit comprises an electric motor and a control apparatus that is strategically positioned along the axis line of the motor's rotation shaft. The design features a motor terminal that extends parallel to the axial direction of the rotation shaft, with a slit provided at the terminal's end. The control apparatus includes a motor connection terminal that connects to the motor terminal, ensuring a secure press-fit connection.
Another notable patent is a control device for a three-phase brushless motor. This control apparatus incorporates a control circuit with time interval calculation means. The system calculates multiple time intervals based on position detection signals, allowing for precise energization switching timings. This innovation reduces deviations caused by mounting position errors or rotor magnetization errors, streamlining the adjustment process.
Career Highlights
Throughout his career, Masayasu Miyajima has worked with esteemed companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has significantly influenced his innovative approach to electric drive technology.
Collaborations
Miyajima has collaborated with notable coworkers, including Yoshihiko Onishi and Katsunori Tanaka. Their combined expertise has contributed to the advancement of electric motor technologies.
Conclusion
Masayasu Miyajima's contributions to electric drive technology and his impressive portfolio of patents highlight his role as a leading inventor in the field. His innovations continue to shape the future of electric motor systems.