Harutoshi Oura

Title: The Innovative Contributions of Harutoshi Oura

Introduction

Harutoshi Oura, a prolific inventor based in Kawasaki, Japan, is renowned for his groundbreaking work in the field of crystallization processes. With a total of six patents to his name, his contributions have significantly advanced the methodologies associated with the production of certain chemical compounds.

Latest Patents

Among his latest innovations, Oura has developed two key patents that focus on L-alpha-aspartyl-L-phenylalanine methyl ester, a compound with important applications in the food and pharmaceutical industries.

1. **Process for crystallizing L-alpha-aspartyl-L-phenylalanine methyl ester**: This patent details a method for obtaining a crystalline product by cooling an aqueous solution containing the ester. The innovative aspect lies in the initial concentration of the ester, which must reach at least 10 grams of precipitated solid phase per liter of solution, allowing the formation of a sherbet-like pseudo solid phase through controlled conductive heat transfer.

2. **Method of dissolving crystals of L-alpha-aspartyl-L-phenylalanine methyl ester**: This patent presents a technique for dissolving the crystalline product obtained through the aforementioned crystallization process. Again, this method relies on specific concentration levels and careful cooling to achieve optimal results.

Career Highlights

Harutoshi Oura's career is marked by his role at Ajinomoto Co., Ltd., a global leader in food and biotechnology. His innovative spirit and dedication to research have established him as a key player in the company's advancements in crystallization methodologies. His work not only adds to the scientific community but also serves practical purposes that enhance product quality and efficiency.

Collaborations

During his professional journey, Oura has collaborated with esteemed colleagues such as Masayoshi Naruse and Haruo Kawasaki. These partnerships have allowed for the exchange of ideas and techniques that enrich Oura's research and development efforts.

Conclusion

Harutoshi Oura's contributions to the field of crystallization reflect a strong commitment to innovation and advancement in chemical processes. His patents exemplify the importance of precise methodologies in the production of valuable compounds, showcasing his position as a leading inventor in the industry. Through his work at Ajinomoto Co., Ltd. and collaborations with fellow innovators, he continues to impact both scientific research and commercial applications.