Mamoru Shirahata

Title: Innovations by Inventor Mamoru Shirahata in Oita, Japan

Introduction

Mamoru Shirahata is a prominent inventor based in Oita, Japan, known for his significant contributions to the field of chemistry. With a portfolio of three patents, he has made strides in the purification processes of specific chemicals, showcasing his expertise and innovative thinking.

Latest Patents

Shirahata's latest patents include pivotal methods for producing and purifying chemical compounds. His notable patents are:

1. **Process for producing hexahydrothieno (3,4-D)imidazole-2,4-diones**

2. **Method for purifying O,S-dimethyl N-acetylphosphoramidothioate**

This patent details a two-phase solvent system comprising water and an organic solvent, focusing on recrystallization methods to yield purer chemical forms.

3. **A further method for purifying O,S-dimethyl N-acetylphosphoramidothioate**

This involves extracting the compound from an aqueous solution using various organic solvents, leading to improved crystallization processes.

Career Highlights

Mamoru Shirahata works at Sumitomo Chemical Company, Limited, where he has been able to apply his innovative ideas and technical expertise to advance chemical manufacturing processes. His work represents a blend of theoretical knowledge and practical application, which has greatly benefited the industry.

Collaborations

Throughout his career, Shirahata has collaborated with esteemed colleagues, including Yoji Sakito and Yujiro Kiyoshima. These partnerships have fostered a creative environment, leading to the development of unique ideas and solutions within their field.

Conclusion

Mamoru Shirahata's innovative spirit and dedication to his work make him a noteworthy figure in the world of chemical inventions. Through his patents and collaborations at Sumitomo Chemical Company, Limited, he continues to contribute to advancements in chemical technology, paving the way for future innovations.