Company Filing History:
2 out of 61 
2 out of 124 Years Active: 2007
Title: Keishirou Okamoto: Innovator in Hydraulic Cement Compositions
Introduction
Keishirou Okamoto is a notable inventor based in Inzai, Japan. He has made significant contributions to the field of hydraulic cement compositions, holding a total of 2 patents. His work focuses on enhancing the strength and durability of cement materials used in construction.
Latest Patents
Okamoto's latest patents include innovative formulations for high-strength hydraulic cement compositions. The first patent describes a high-strength hydraulic cement composition that consists of cement, fine aggregates, coarse aggregates, water, and a specified admixture. This composition has a unit amount of water ranging from 120-185 kg/m, with a cement-to-water ratio of 20-40%. The admixture is derived from specific reaction mixtures and involves a radical copolymerization process.
The second patent details an ultra high-strength hydraulic cement composition. This formulation includes a binder, fine aggregates, coarse aggregates, an antifoaming agent, water, and a specified admixture. The binder's unit amount ranges from 480-1800 kg/m, with a water-to-binder ratio of 10-25%. Similar to the first patent, the admixture is obtained through specified processes involving radical copolymerization.
Career Highlights
Throughout his career, Okamoto has worked with prominent companies in the construction industry. Notable employers include Takenaka Corporation and Takemoto Yushi Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic cement technology.
Collaborations
Okamoto has collaborated with several professionals in his field, including Kenrou Mitsui and Masarou Kojima. These partnerships have likely fostered innovation and development in his research and patent applications.
Conclusion
Keishirou Okamoto is a distinguished inventor whose work in hydraulic cement compositions has the potential to revolutionize construction materials. His patents reflect a deep understanding of material science and innovative processes.
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