Yoshimitsu Sekiguchi

Title: Innovations by Yoshimitsu Sekiguchi

Introduction

Yoshimitsu Sekiguchi is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of cement mixing materials and dispersion agents. With a total of 2 patents, his work has had a considerable impact on construction materials.

Latest Patents

Sekiguchi's latest patents include a package of cement mixing material and a cement dispersion agent. The package of cement mixing material utilizes a packaging material that contains a fibrous substance, such as pulp, combined with a carboxyl-containing polymer like acid type carboxymethyl cellulose. This innovative packaging allows the cement mixing material, including a superplasticizer, to be conveniently thrown into a cement formulation, such as concrete, mortar, or a cement paste, within a truck agitator. His second patent, the cement dispersion agent, comprises calcium polystyrene sulfonate with a weight average molecular weight ranging from 5,000 to 50,000 and a sulfonation degree of 80% or more. Additionally, this dispersion agent includes a polystyrene sulfonate and at least one component selected from hydroxycarboxylic acids, ketocarboxylic acids, and their salts.

Career Highlights

Throughout his career, Sekiguchi has worked with prominent companies, including Lion Corporation and Taisei Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in the field of construction materials.

Collaborations

Sekiguchi has collaborated with notable coworkers, including Takehiko Kurusu and Shigeyuki Ueda. Their combined expertise has contributed to the advancement of their projects and innovations.

Conclusion

Yoshimitsu Sekiguchi's contributions to the field of cement mixing materials and dispersion agents highlight his innovative spirit and dedication to improving construction processes. His patents reflect a commitment to enhancing the efficiency and effectiveness of cement formulations.