Location History:
- Hyogo, JP (2011)
- Takasago, JP (2011 - 2016)
Company Filing History:
Years Active: 2011-2016
Title: Innovations of Masatoshi Ohnuki
Introduction
Masatoshi Ohnuki is a notable inventor based in Takasago, Japan. He has made significant contributions to the field of chemistry, particularly in the production of amino acids and pharmaceutical intermediates. With a total of 5 patents to his name, Ohnuki's work has implications for both medicine and agriculture.
Latest Patents
One of Ohnuki's latest patents is a process for producing solid amino acids. This invention addresses the challenge of efficiently producing high-purity solid amino acids with 2 to 7 carbon atoms. The method simplifies the production process, making it useful as a synthetic intermediate for medicines and agrochemicals. The invention involves precipitating solid amino acids with high purity and removing by-produced salts through specific chemical reactions in an aprotic polar solvent.
Another significant patent is a method for producing optically active 2-arylpiperazine derivatives. This invention aims to create these derivatives from inexpensive starting materials using an industrially practicable method. The process involves treating an optically active substituted aminodiol derivative with a sulfonating agent and then reacting it with an amine compound to obtain the desired 2-arylpiperazine derivative.
Career Highlights
Masatoshi Ohnuki is currently associated with Kaneka Corporation, where he continues to innovate in the field of chemical production. His work has not only advanced scientific understanding but has also contributed to practical applications in various industries.
Collaborations
Ohnuki has collaborated with notable colleagues such as Akira Nishiyama and Toshihiro Takeda. These collaborations have likely enriched his research and contributed to the successful development of his patents.
Conclusion
Masatoshi Ohnuki's contributions to the field of chemistry through his innovative patents demonstrate his commitment to advancing science and technology. His work continues to have a lasting impact on the production of essential chemical compounds.