Location History:
- Yamaguchi, JP (1994)
- Ube, JP (2001)
Company Filing History:
Years Active: 1994-2001
Title: Sunao Yamamoto: Innovator in Electrolytic Solutions and Sodium Percarbonate Production.
Introduction
Sunao Yamamoto is a notable inventor based in Ube, Japan. He has made significant contributions to the field of chemistry, particularly in the development of electrolytic solutions for lithium cells and processes for producing sodium percarbonate. With a total of 2 patents, his work has implications for energy storage and chemical manufacturing.
Latest Patents
Yamamoto's latest patents include an electrolytic solution for lithium cells and a method for producing the same. This invention focuses on a method that involves reacting lithium fluoride with phosphorus pentafluoride in a nonaqueous organic solvent. The result is lithium hexafluorophosphate, which boasts high yield and purity. Additionally, he has developed a method for purifying electrolytic solutions by reacting acid impurities with hydrogen-free halides, effectively reducing impurity concentrations.
Another significant patent is a continuous process for preparing sodium percarbonate. This innovative method involves the continuous crystallization of sodium percarbonate through the reaction of sodium carbonate with hydrogen peroxide. The process is designed to maintain the particle size of the final sodium percarbonate crystals, ensuring efficient production of granules with satisfactory strength.
Career Highlights
Sunao Yamamoto is currently associated with Central Glass Company, Limited, where he applies his expertise in chemical processes. His work has been instrumental in advancing the company's capabilities in producing high-quality chemical products.
Collaborations
Yamamoto has collaborated with notable coworkers, including Hiromi Sasaki and Hiroshi Ueda. Their combined efforts contribute to the innovative environment at Central Glass Company, Limited.
Conclusion
Sunao Yamamoto's contributions to the fields of electrolytic solutions and sodium percarbonate production highlight his role as a significant inventor. His patents reflect a commitment to advancing chemical processes and improving product quality.