Location History:
- Takaishi, JP (1995 - 1997)
- Oita, JP (1997)
Company Filing History:
Years Active: 1995-1997
Title: Kazuya Minamisaka: Innovator in Chemical Purification Methods
Introduction
Kazuya Minamisaka is a notable inventor based in Takaishi, Japan. He has made significant contributions to the field of chemical purification, holding a total of four patents. His work focuses on innovative methods for purifying O,S-dimethyl N-acetylphosphoramidothioate, a compound with various applications in the chemical industry.
Latest Patents
Minamisaka's latest patents include a method for purifying O,S-dimethyl N-acetylphosphoramidothioate. This method involves subjecting a crude crystal of the compound to recrystallization using a two-phase solvent system. The system comprises water and an organic solvent, which can be an aromatic hydrocarbon, an aliphatic carboxylic acid ester, or an aliphatic ketone. The specific ratios of water and organic solvent are crucial for the purification process. Additionally, he has developed a further method that extracts the compound from an aqueous solution using various organic solvents, ensuring high purity levels.
Career Highlights
Minamisaka is associated with Sumitomo Chemical Company, Limited, where he applies his expertise in chemical processes. His innovative approaches have contributed to advancements in the purification of chemical compounds, enhancing the efficiency and effectiveness of these processes.
Collaborations
He has collaborated with notable coworkers, including Yoji Sakito and Mamoru Shirahata, who have also contributed to the field of chemical research and development.
Conclusion
Kazuya Minamisaka's work in chemical purification methods showcases his innovative spirit and dedication to advancing the field. His patents reflect a commitment to improving chemical processes, making significant strides in the industry.