Location History:
- Chiyoda-ku, JP (2016 - 2019)
- Tokyo, JP (2004 - 2024)
Company Filing History:
9 out of 15,942 
1 out of 21,351 
Years Active: 2004-2024
Title: Masaya Harakawa: Innovator in Maintenance Support Systems
Introduction
Masaya Harakawa is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of maintenance support systems, holding a total of 10 patents. His innovative work focuses on enhancing the efficiency and effectiveness of maintenance operations through advanced technology.
Latest Patents
Harakawa's latest patents include a maintenance support system, a maintenance support method, and a maintenance management server. This maintenance support system features a wearable device that provides on-site maintenance workers with essential maintenance instruction information. It also includes multiple maintenance support terminals located in different regions with varying time zones, all connected to a maintenance management server. The server is equipped with a representative selection unit that chooses a maintenance support terminal based on representative level information and standard work hours for each region. Additionally, it has a translation unit that facilitates communication by translating audio information between the wearable device and the selected maintenance support terminal according to the languages set on both devices.
Another notable patent is the power regenerative converter and motor control device. This device comprises a power module with rectifiers and regenerative switches, a smoothing capacitor for accumulating direct-current power, and various detectors that monitor bus current and power supply phases. The regeneration controller manages the power regenerative operation based on the detected bus current and generated base drive signals, while an overload detector ensures the safety of the power regenerative converter.
Career Highlights
Throughout his career, Harakawa has worked with esteemed companies such as Mitsubishi Electric Corporation and Mitsubishi Denki Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of maintenance support systems.
Collaborations
Harakawa has collaborated with notable coworkers, including Shinichi Yamaguchi and Koki Naka. Their combined expertise has contributed to the successful development of various projects and patents.
Conclusion
Masaya Harakawa is a distinguished inventor whose work in maintenance support systems has significantly impacted the industry. His innovative patents and collaborations with leading companies and professionals highlight his commitment to advancing technology in maintenance operations.