This inventor holds 3 USPTO granted patents. Top assignees: Kawasaki Steel Corporation, Kawatetsu Wire Products, Toyo Calorizing Ind. Co., Ltd.. Active years: 1980-1988.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kurashiki, JP (1980)
- Chiba, JP (1987 - 1988)
Company Filing History:
3 out of 1,256 
1 out of 1 
1 out of 2 Years Active: 1980-1988
Title: Shigeo Shoji: Innovator in Unbonded PC Steel Strand Technology
Introduction
Shigeo Shoji is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of post-tensioning concrete technology. With a total of 3 patents, his work focuses on enhancing the durability and efficiency of construction materials.
Latest Patents
One of Shoji's latest patents is for an unbonded PC steel strand used for post-tensioning concrete. This innovation comprises a PC steel strand made of multiple stranded wires, featuring a thin transparent lacquer coating on its outer surface. The lacquer coating is designed to break when the strand is subjected to tension, ensuring optimal performance in concrete applications. Another patent involves a similar unbonded PC steel strand, which includes a zinc-plated layer on the outer surface. This design also incorporates a greaselike filler and a synthetic resin sheath, providing additional protection against corrosion.
Career Highlights
Throughout his career, Shigeo Shoji has worked with prominent companies such as Kawasaki Steel Corporation and Toyo Calorizing Industry Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative technologies in the construction sector.
Collaborations
Shoji has collaborated with notable coworkers, including Masamitsu Takei and Hideto Watanabe. Their combined expertise has contributed to the advancement of technologies in the field of post-tensioning concrete.
Conclusion
Shigeo Shoji's contributions to the development of unbonded PC steel strands have significantly impacted the construction industry. His innovative patents and collaborations highlight his dedication to improving construction materials and techniques.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile