Takehisa Kozai

Title: Takehisa Kozai: Innovator in Construction Materials

Introduction

Takehisa Kozai is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of construction materials, holding a total of 2 patents. His innovative work focuses on developing materials that enhance construction and repair processes.

Latest Patents

Kozai's latest patents include a working material for construction or repair. This material comprises a mixture of 0.5 to 30% by weight of a hydroxide of a divalent or higher basic metal, 10 to 99% by weight of an aggregate, and 0.5 to 70% of a bituminous substance. The total amount of these materials is 100% by weight. Additionally, the mixture is covered with oxidized rosin or a mixture of oxidized rosin with a compound containing more than one carboxy group per molecule on average, and/or a liquid hydrocarbon or a vegetable oil. Another significant patent is an epoxy resin composition that consists essentially of various components designed for construction applications.

Career Highlights

Throughout his career, Takehisa Kozai has worked with prominent companies such as Dainippon Ink and Chemicals, Incorporated and Taisei Road Construction Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and construction technology.

Collaborations

Kozai has collaborated with notable individuals in his field, including Masatoshi Motomura and Noboru Okoshi. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Takehisa Kozai's contributions to construction materials through his patents reflect his dedication to innovation in the industry. His work continues to influence the development of effective and efficient construction solutions.