This inventor holds 3 USPTO granted patents. Top assignees: Sumitomo Electric Industries, Limited, Sumitomo Electric, Ltd.. Active years: 1987-1989.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:

Years Active: 1987-1989
Title: The Innovations of Kanji Watanabe
Introduction
Kanji Watanabe is a notable inventor based in Hyogo, Japan. He has made significant contributions to the field of prestressing steel materials, holding a total of 3 patents. His work focuses on enhancing the performance and durability of materials used in prestressed concrete applications.
Latest Patents
Watanabe's latest patents include an innovative prestressing steel material designed for use in the fabrication of prestressed concrete. This elongated prestressing steel material features a steel member and an outer coat of numerous microcapsules, each containing a flowable material. Another significant patent involves a prestressing steel material that is unbonded from the concrete, specifically designed for posttensioning applications. This material consists of a steel member sheathed with a foamed synthetic resin tube, with a wall thickness of at least 300 microns, and preferably more than 500 microns. In cases where the steel member is a strand made of multiple twisted steel wires, the spiral grooves of the strand are filled with resin before being sheathed with the foamed synthetic resin tube.
Career Highlights
Throughout his career, Kanji Watanabe has worked with prominent companies such as Sumitomo Electric Industries, Limited and Sumitomo Electric, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of prestressing materials.
Collaborations
Watanabe has collaborated with notable coworkers, including Mikio Mizoe and Eiji Inoo. Their combined expertise has contributed to the advancement of technology in the construction materials sector.
Conclusion
Kanji Watanabe's contributions to the field of prestressing steel materials demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of material science and engineering, paving the way for advancements in concrete applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile