Location History:
- Tokyo, JA (1976 - 1977)
- Tokyo, JP (1991)
Company Filing History:
4 out of 150 
2 out of 2,333 
Years Active: 1976-1991
Title: The Innovative Contributions of Kozo Toyama
Introduction
Kozo Toyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of engineering, particularly in the development of systems that enhance structural integrity against seismic and wind forces. With a total of 4 patents to his name, Toyama's work reflects a deep understanding of both active and passive damping technologies.
Latest Patents
One of Toyama's latest patents is a "Compound seismic response and wind control system." This innovative device combines active and passive mass damping to mitigate vibrations in structures caused by seismic and wind forces. The system utilizes a hydraulic actuator to render a mass actively vibratable, while springs allow for passive vibration. In the event of a power failure, the device automatically transitions to a passive mass damping mode, ensuring continued protection for the structure.
Another notable patent is the "Method of connecting beams and columns of steel frame construction." This method outlines a unique approach to connecting H-shaped beams to H-shaped columns using upper and lower flange fittings. The design includes a rectangular base plate with a tapered portion and a supporting plate that secures the beam's flange. This innovative connection method enhances the stability and reliability of steel frame constructions.
Career Highlights
Throughout his career, Kozo Toyama has worked with esteemed companies such as Kajima Corporation and Hitachi Metals, Ltd. His experience in these organizations has allowed him to apply his inventive skills to real-world engineering challenges. His contributions have not only advanced the field but have also set new standards for safety and efficiency in construction.
Collaborations
Toyama has collaborated with notable professionals in his field, including Kuniaki Sato and Shuei Suzuki. These partnerships have fostered an environment of innovation and have led to the development of groundbreaking technologies.
Conclusion
Kozo Toyama's inventive spirit and dedication to engineering have resulted in significant advancements in structural safety. His patents demonstrate a commitment to improving the resilience of buildings against natural forces. Through his work, Toyama continues to inspire future generations of engineers and inventors.