Company Filing History:
Years Active: 1978
Title: Mutsuaki Nakagawa: Innovator in Process Control Systems
Introduction
Mutsuaki Nakagawa is a notable inventor based in Musashino, Japan. He has made significant contributions to the field of process control systems, holding 2 patents that showcase his innovative approach to technology.
Latest Patents
One of Nakagawa's latest patents is a "Process Control System with Signal Conversion to Standard Intermediate." This system is designed to accept various forms of analog sensing signals from field sensing devices. It digitally processes the data represented by these signals and supplies different forms of analog control signals to field control devices. The system features signal converter means that convert data between the varied analog forms generated by the field devices and a standard form of intermediate signal, such as a pulse-width signal. This innovation facilitates signal transmission, editing, and isolation, allowing for a simple, noise-free, and easily adaptable structure. Additionally, digital interface means convert data between the intermediate signals and digital signals suitable for digital data processing.
Another significant patent is the "Process Control System," which is arranged to accept sensing signals from field sensing devices. This system digitally processes the data and supplies control signals to field control devices. It is characterized by a centralized maintenance backup system that provides backup control signals to selected field control devices while their normal control signals are interrupted during servicing. This design includes a maintenance backup device located at a control station, which offers adjustable backup control signals and a selector unit connected to multiple field control devices. This innovation simplifies access to different field control devices and ensures continued control during maintenance.
Career Highlights
Mutsuaki Nakagawa is currently employed at Yokogawa Electric Works, Ltd., where he continues to develop and refine process control technologies. His work has significantly impacted the efficiency and reliability of control systems in various industrial applications.
Collaborations
Throughout his career, Nakagawa has collaborated with esteemed colleagues such as Yutaka Wakasa and Hisayuki Uchiike. These collaborations have further enhanced the development of innovative solutions in the field of process control.
Conclusion
Mutsuaki Nakagawa's contributions to process control systems demonstrate his commitment to innovation and excellence in technology. His patents reflect a deep understanding of the complexities involved in signal processing and control systems, making him a valuable figure in the industry.