Toshikatsu Ohtsubo

Title: Innovations of Toshikatsu Ohtsubo

Introduction

Toshikatsu Ohtsubo is a notable inventor based in Kamishirakawa, Japan. He has made significant contributions to the field of carbonaceous products, holding three patents that showcase his innovative approaches to coal processing.

Latest Patents

Ohtsubo's latest patents include a method for the preparation of carbonaceous products. This process involves dissolving coal in a hydrocarbon solvent, heating it, and purging it of insolubles to create various types of solvent purified coal. These coals are then coked to produce a range of green coke products. The solvent purified coal serves as a raw material for different types of green coke, depending on the (N+O+S)/C atomic ratio. His other patent details a process for producing solvent-refined coal, which is useful as a starting material for micromosaic and coarse mosaic carbonaceous products.

Career Highlights

Throughout his career, Ohtsubo has worked with prominent companies such as Mitsui Coke Co. Ltd. and Mitsui Mining Co., Ltd. His experience in these organizations has contributed to his expertise in the field of carbonaceous materials.

Collaborations

Ohtsubo has collaborated with notable individuals in his field, including Hisashi Murakami and Kenji Fukuda. These partnerships have likely enhanced his research and development efforts.

Conclusion

Toshikatsu Ohtsubo's innovative work in the field of carbonaceous products has led to significant advancements in coal processing technologies. His patents reflect a deep understanding of the materials and processes involved, positioning him as a key figure in this area of research.