Location History:
- Kawasaki, JP (1998)
- Tokyo, JP (2014 - 2017)
Company Filing History:
5 out of 1,960 
2 out of 53 
1 out of 68 Years Active: 1998-2017
Title: **Innovative Contributions of Yasushi Ichikawa in Structural Engineering**
Introduction
Yasushi Ichikawa, an influential inventor based in Tokyo, Japan, has made significant strides in the field of structural engineering. With a remarkable portfolio of seven patents, Ichikawa's innovations focus primarily on enhancing the safety and efficiency of load-bearing structures.
Latest Patents
Among his latest patents, Ichikawa has developed two groundbreaking inventions:
1. **Buckling Restrained Brace and Load-Bearing Structure Provided with the Same** - This invention presents a buckling restrained brace that includes a core material in a plate shape, extending along an axis. It features a restraining member that envelops the core material, complemented by a filler and a pair of first reinforcing members. This innovation aims to improve the stability and load-bearing capacity of structures by effectively restraining buckling.
2. **Axially Yielding Elasto-Plastic Hysteresis Brace and Vibration-Damping Steel-Frame Structure** - This invention involves an H-section steel as the core, a buckling-restraining member, and an unbonded layer filled between the steel core and the buckling-restraining member. It also incorporates reinforcing plates welded to the H-section steel, further enhancing structural resilience against vibrations and potential buckling.
Career Highlights
Throughout his career, Ichikawa has worked with notable companies in the engineering sector, including Showa Denko K.K. and Nippon Steel & Sumikin Engineering Co., Ltd. His role in these organizations has allowed him to contribute to various significant advancements in structural technologies.
Collaborations
Ichikawa has collaborated with talented colleagues such as Hideharu Kimura and Akira Ishii. These partnerships have fostered a creative environment leading to the development of effective and innovative engineering solutions.
Conclusion
Yasushi Ichikawa's contributions to the field of structural engineering reflect a deep commitment to innovation. His patented technologies not only enhance structural integrity but also showcase his dedication to advancing safety standards in construction. Through his work, Ichikawa continues to make a lasting impact on the engineering industry.