Company Filing History:
4 out of 27 
1 out of 50 
1 out of 1 Years Active: 1980-1987
Title: Innovator Hiroshi Tada: Pioneering Prestressed Concrete Technology
Introduction: Hiroshi Tada, based in Yokohama, Japan, is a renowned inventor with a focus on innovative engineering solutions. With a total of five patents, his contributions are significant in the field of civil engineering, particularly concerning prestressed concrete applications.
Latest Patents: Tada's notable inventions include a tendon for prestressed concrete and a method of erecting a bridge girder. The tendon patent features an innovative design where inorganic particles are coated on the outer surface of a fiber-reinforced plastic rod. This design enhances the adherence of concrete, thanks to the minute rugged surface portions of the coated particles. His method for erecting a bridge girder presents a streamlined approach, allowing for the smooth extrusion of a bridge girder alongside a movable member, significantly simplifying the process of bridge construction.
Career Highlights: Hiroshi Tada has accumulated valuable experience throughout his career, having worked with leading organizations such as Oiles Industry Co., Ltd. and Japanese National Railways. His roles in these companies have allowed him to develop his expertise and contribute to significant engineering projects.
Collaborations: Throughout his career, Tada has collaborated with esteemed colleagues such as Toshiro Nozu and Keizo Ishikawa. Their combined efforts have undoubtedly influenced his innovative thinking and the successful implementation of various engineering solutions.
Conclusion: As an influential inventor, Hiroshi Tada continues to make strides in the engineering sector with his groundbreaking patents. His work not only advances technology in prestressed concrete but also emphasizes collaboration and innovation within the industry.