Akifusai Ohnishi

Title: Akifusai Ohnishi: Innovator in Indium Recovery Technology

Introduction

Akifusai Ohnishi is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of materials science, particularly in the recovery of indium from acid solutions. His innovative approach has the potential to enhance the efficiency of indium extraction processes.

Latest Patents

Ohnishi holds a patent for an "Indium adsorbent and indium fractioning method." This invention provides a novel indium adsorbent that facilitates the adsorption of indium. It also presents a simple and cost-effective method for isolating and recovering high-purity indium from hydrochloric acid solutions containing indium. The primary component of the indium adsorbent is an anion-exchange resin with a crosslinked structure, which is produced through the copolymerization of styrene or acrylamide and divinylbenzene. This resin is equipped with either a quaternary ammonium group or a tertiary ammonium group, granting it the ability to adsorb acids.

Career Highlights

Throughout his career, Ohnishi has worked with prominent companies such as Aquatech Corporation and Sharp Corporation. His experience in these organizations has contributed to his expertise in the field of materials science and patent development.

Collaborations

Ohnishi has collaborated with notable colleagues, including Nobuaki Fujiwara and Hideki Doi. These partnerships have likely enriched his research and development efforts.

Conclusion

Akifusai Ohnishi's work in indium recovery technology exemplifies the innovative spirit of modern inventors. His contributions are paving the way for advancements in materials science and sustainable resource management.