Masarou Kojima is a notable inventor based in Inzai, Japan. He has made significant contributions to the field of concrete technology, holding a total of 3 patents. His work focuses on enhancing the properties of concrete through innovative admixtures and cement compositions.

Latest Patents

Kojima's latest patents include a multi-functional admixture for concrete. This admixture improves fluidity and provides hardened materials with enhanced early strength, reduced shrinkage, better resistance against freezing and thawing, and slower carbonation speed. It contains specific types of graft copolymers, (poly)alkyleneglycol monoalkyl ethers, and organic phosphates in precise ratios. Another significant patent is for high-strength hydraulic cement compositions. This composition includes cement, fine aggregates, coarse aggregates, water, and a specified admixture. The water-to-cement ratio is maintained between 20-40%, and the admixture is included in amounts ranging from 0.1-3.0 weight parts per 100 weight parts of cement.

Career Highlights

Throughout his career, Masarou Kojima has worked with prominent companies such as Takemoto Yushi Kabushiki Kaisha and Takenaka Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in concrete technology.

Collaborations

Kojima has collaborated with notable coworkers, including Kenrou Mitsui and Toshio Yonezawa. Their combined expertise has contributed to advancements in the field of concrete and cement technology.

Conclusion

Masarou Kojima's contributions to concrete technology through his patents and collaborations highlight his role as an influential inventor. His innovative approaches continue to impact the construction industry positively.

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