Takahiro Kojima

Title: Takahiro Kojima: Inventor in Silicon Chemistry.

Introduction

Takahiro Kojima is an inventor based in Joetsu, Japan. His patent work includes methods for producing oxadisilacyclopentane and halosilane compounds. He is associated with Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Ltd. His record includes 2 patents.

Latest Patents

Kojima’s listed patents address chemical production methods:

- **Method for Producing Oxadisilacyclopentane Compound.** This method reacts an azadisilacyclopentane compound with water to produce an oxadisilacyclopentane compound efficiently and at high yield. The disclosed compounds include specified hydrocarbon groups and related substituents.

- **Method for Preparing Halosilane Compounds.** This method prepares a halosilane compound through the hydrosilylation of a vinyl compound with a halogenodiorganosilane. The reaction uses an iridium catalyst alongside an internal olefin compound and an allyl halide. The patent describes industrial-scale production with low costs, high yields, high selectivity, and a small amount of iridium catalyst.

Career Highlights

Kojima’s listed work is connected with Shin-Etsu Chemical, a company active in chemical and materials technologies. His patents focus on improving the efficiency and practicality of producing silicon-containing compounds.

Collaborations

Kojima’s listed coworkers include Ayumu Kiyomori and Yoichi Tonomura.

Conclusion

Takahiro Kojima’s patent portfolio reflects a focus on efficient chemical processes, particularly methods for producing oxadisilacyclopentane and halosilane compounds.