Location History:
- Toyota, JP (2011 - 2014)
- Kyoto, JP (2013 - 2018)
- Nisshin, JP (2015 - 2018)
Company Filing History:
15 out of 36,771 
6 out of 6,017 
1 out of 354 
Years Active: 2011-2025
Title: Inventor Spotlight: Hiroyuki Ishii
Introduction: Hiroyuki Ishii, an accomplished inventor based in Nisshin, Japan, holds an impressive portfolio of 19 patents. His contributions primarily focus on advancements in motor driving technologies and control systems for vehicles. Ishii's innovative solutions significantly enhance the performance and efficiency of various automotive systems.
Latest Patents: Among his recent inventions, two standout patents showcase his ingenuity. The first is a sophisticated motor driving circuit that employs a first calculation unit to optimize PWM driving operations based on duty ratio adjustments. It smartly incorporates temperature-dependent slope calculations to refine the control signal for better performance. The second patent—a control device for four-wheel-drive (4WD) vehicles—details an advanced engagement control mechanism for clutches, ensuring optimal performance of the driving force transmission system during dynamic driving conditions. This control device is critical for maintaining stability and efficiency during various driving scenarios.
Career Highlights: Throughout his career, Hiroyuki Ishii has spent significant time at renowned companies, including Toyota Motor Corporation and Rohm Co., Ltd. His work in these organizations has been pivotal in developing cutting-edge automotive technologies that push the boundaries of innovation within the industry.
Collaborations: Hiroyuki has also collaborated with esteemed professionals in the field, including Koji Hayashi and Hiroyasu Harada. These partnerships have allowed for the sharing of knowledge and expertise, ultimately enriching the quality of their collective research and development efforts.
Conclusion: Hiroyuki Ishii's contributions to the fields of motor driving circuits and vehicle control systems exemplify the spirit of innovation. With his 19 patents, he continues to make significant strides in enhancing automotive technology. As he develops more innovative solutions, his impact on the industry will undoubtedly endure, inspiring the next generation of inventors and engineers.