Company Filing History:
1 out of 18 
1 out of 1 Years Active: 1977
Title: The Innovative Mind of Toshio Shimada
Introduction: Toshio Shimada, residing in Yokohama, Japan, is a notable inventor recognized for his contributions to the field of mining technology. With two patents to his name, Shimada has made significant advancements that enhance operational efficiency in coal and metal mining operations.
Latest Patents: Toshio Shimada's most recent innovations include a "Longwall coal mining machine with plural cutters on sub-ranging arm" and a "Self-advancing support for use in the pit of coal or metal mine." The first patent describes a coal mining machine designed to operate in a long-walled pit face, incorporating two cutting drums attached to the main ranging arm via a sub-ranging arm. This innovative mechanism allows for precise and efficient coal extraction. The second patent introduces a self-advancing support mechanism that offers structural support to the pit roof after mining operations. This design enables movement without relying on conventional means such as trucks or lifts, as the mechanism is integrated within the support structure itself.
Career Highlights: Throughout his career, Toshio Shimada has contributed to leading firms in the engineering field, particularly Taiheiyo Engineering Corporation and Taiheiyo Engineering Incorporated. His work at these companies has been instrumental in the development of advanced mining technologies that improve both safety and productivity.
Collaborations: Shimada has collaborated with several esteemed professionals in the industry, including Masao Hujimori and Shigeo Nakajima. Together, they have pushed the boundaries of innovation and contributed to the advancement of engineering solutions within the mining sector.
Conclusion: Toshio Shimada's inventive spirit and commitment to improving mining technology have solidified his standing as a prominent figure in the field. His patents reflect a deep understanding of the challenges faced in underground mining and showcase his dedication to finding innovative solutions that enhance both safety and efficiency in the industry.