Company Filing History:
Years Active: 1989-1993
Title: Innovations of Tadahiko Iijima
Introduction
Tadahiko Iijima is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of control systems, holding a total of 2 patents. His work focuses on enhancing the reliability and efficiency of servo valve control systems and process control systems.
Latest Patents
Iijima's latest patents include a "Servo valve control apparatus" and a "Process control system and method thereof." The servo valve control apparatus provides a method and apparatus for controlling a triple-coil servo valve. This system is designed to identify abnormalities in its components, allowing for the continuation of operations even when some components are faulty. The process control system features a timer circuit that manages operational periods, ensuring that control blocks are computed within fixed durations. This innovation allows for efficient management of control operations, even when previous computations are incomplete.
Career Highlights
Iijima has been associated with Hitachi, Ltd., where he has contributed to various innovative projects. His work has been instrumental in advancing the technology used in control systems, making them more robust and reliable.
Collaborations
Throughout his career, Iijima has collaborated with notable colleagues such as Takumi Kawai and Sadao Yanada. These collaborations have further enriched his contributions to the field of engineering and innovation.
Conclusion
Tadahiko Iijima's work exemplifies the spirit of innovation in control systems. His patents reflect a commitment to improving technology and ensuring operational reliability in complex systems.