Location History:
- Fuchu-cho, JP (2006)
- Hiroshima, JP (2006 - 2015)
Company Filing History:
4 out of 4,683 
1 out of 6,017 
Years Active: 2006-2025
Title: Innovations of Hideki Hosoya
Introduction
Hideki Hosoya is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of engineering, particularly in the development of electric drive units and compression self-ignition engines. With a total of 4 patents to his name, his work reflects a commitment to advancing technology in automotive applications.
Latest Patents
One of Hosoya's latest patents is an electric drive unit that features an arrangement designed to reduce busbar inductance and installation space. This innovative inverter is positioned adjacent to a motor and includes multiple power modules, a smoothing capacitor, and busbars that connect these components. The design allows for the power modules to be arranged around the periphery of the smoothing capacitor, which is centrally located within the inverter. This configuration ensures that both the smoothing capacitor and the power modules are aligned on the same plane, optimizing space and efficiency.
Another significant patent by Hosoya is related to the starter and starting method of a compression self-ignition engine. This invention addresses the automatic stopping of the engine by executing a fuel cut to halt fuel injection. During this process, the intake throttle is set to a fully closed position, which is maintained until the final top dead center (TDC). The invention also controls the operation of an accessory to adjust engine load, ensuring that the engine rotation speed remains within a predetermined range. This innovation allows for high accuracy in stopping the piston at a target position, thereby reducing the restart time of the engine.
Career Highlights
Throughout his career, Hideki Hosoya has worked with prominent companies such as Mazda Motor Corporation and Rohm Co., Ltd. His experience in these organizations has contributed to his expertise in automotive technology and innovation.
Collaborations
Hosoya has collaborated with notable colleagues, including Masayuki Tetsuno and Junichi Taga. These partnerships have likely fostered a creative environment that has led to the development of his innovative patents.
Conclusion
Hideki Hosoya's contributions to the field of engineering through his patents demonstrate his dedication to innovation and technology. His work continues to influence advancements in electric drive systems and engine efficiency.