Company Filing History:
2 out of 42,485 
1 out of 1,256 Years Active: 1993-1994
Title: **Innovator Spotlight: Itsuo Shimizu**
Introduction
Itsuo Shimizu is an accomplished inventor based in Katsuta, Japan. With a total of two patents to his name, Shimizu has made significant contributions to the field of control systems for motors. His innovative approaches to motor speed control have implications in various technological applications, reflecting his expertise and creative problem-solving skills.
Latest Patents
Shimizu's latest patents include:
1. **Non-interference control method and device** - This invention involves a control method designed to manage an object influenced by multiple operation and control quantities. By dividing the system into several partial control systems, the method incorporates a compensating element that negates the impacts of external control on specific configurations, leading to improved precision in control applications.
2. **Motor speed control method and apparatus with drooping compensation** - This innovative method outlines a process for controlling a motor driven by a power conversion unit. By generating a first current command value that accounts for speed deviations, the motor's performance can be optimized. The method includes a calculation for acceleration or deceleration currents, ultimately enhancing the speed regulation of the motor.
Career Highlights
Shimizu has a distinguished career with notable positions at respected companies such as Hitachi, Ltd. and Kawasaki Steel Corporation. His experiences in these industrial powerhouses have undoubtedly shaped his inventive capabilities and provided a strong foundation for his innovative contributions.
Collaborations
Throughout his career, Itsuo Shimizu has collaborated with talented individuals, including coworkers Masahiro Tobise and Yuji Yamasawa. These partnerships have likely fostered a collaborative environment that enhances creativity and leads to successful innovations.
Conclusion
Itsuo Shimizu's work exemplifies the essence of inventiveness in the control systems domain. His latest patents reflect a deep understanding of motor functionality and control methodologies. As he continues to explore new horizons in technology, Shimizu’s contributions will undoubtedly leave a lasting impact on the industry.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.