This inventor holds 1 USPTO granted patent. Top assignees: Takemoto Yushi Kabushiki Kaisha, Takenaka Corporation. Active years: 1995.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 127 
1 out of 61 Years Active: 1995
Title: Makoto Nakazima: Innovator in Hydraulic Cement Compositions
Introduction
Makoto Nakazima is a prominent inventor based in Tokyo, Japan. He is known for his significant contributions to the field of construction materials, particularly in the development of ultra high-strength hydraulic cement compositions. His innovative work has led to advancements in concrete technology, enhancing the quality and performance of construction materials.
Latest Patents
Nakazima holds a patent for ultra high-strength hydraulic cement compositions. This invention features an extremely low water-to-cement ratio of 10-30%, which provides high fluidity and improved capability of preventing slump loss. The compositions allow for the production of high-quality ultra high-strength hardened concrete and mortar with superior workability. The binder in his formulation consists of cement or a mixture of cement and a microscopic powder admixture, along with aggregates, water, and a cement dispersion agent made from water-soluble vinyl copolymers. The specific parameters of his invention include a binder content of 400-1300 kg/m³, a water-to-binder ratio of 10-30%, and a cement dispersion agent content of 0.1-2.0 weight parts for every 100 weight parts of the binder.
Career Highlights
Throughout his career, Nakazima has worked with notable companies in the construction industry, including Takenaka Corporation and Takemoto Yushi Kabushiki Kaisha. His experience in these organizations has contributed to his expertise in developing innovative construction materials.
Collaborations
Some of Nakazima's notable coworkers include Toshio Yonezawa and Kenrou Mitsui. Their collaboration has likely played a role in advancing the research and development of hydraulic cement technologies.
Conclusion
Makoto Nakazima's contributions to the field of hydraulic cement compositions have made a significant impact on construction technology. His innovative patent demonstrates a commitment to enhancing the quality and performance of building materials.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile