Company Filing History:
2 out of 16 
1 out of 2 
1 out of 1 Years Active: 2000-2006
Title: Takahiro Ueta: Innovator in Chemical Processes
Introduction
Takahiro Ueta is a notable inventor based in Sakaide, Japan. He has made significant contributions to the field of chemical processes, particularly in the preparation of specialized ammonium salts. With a total of three patents to his name, Ueta's work showcases his expertise and innovative approach to chemistry.
Latest Patents
Ueta's latest patents include a process for the preparation of 5,5'-bi-1H-tetrazolediammonium salts using hydrazine hydrate and dicyan as starting materials. This process maintains a high yield through oxaldiimidic acid dihydrazide, utilizing readily available and easy-to-handle materials. The method involves dissolving the oxaldiimidic acid dihydrazide in a weakly acidic solution, followed by a series of reactions that lead to the formation of the desired ammonium salt. Another significant patent focuses on the preparation of highly pure 5,5'-bi-1H-tetrazolediammonium salts. This process includes the addition of ammonia water to a reaction solution, filtration to remove insoluble components, and subsequent reactions to recover a highly pure ammonium salt.
Career Highlights
Throughout his career, Ueta has worked with prominent companies such as Japan Hydrazine Co., Ltd. and Masuda Chemical Industry Co., Ltd. His experience in these organizations has contributed to his development as an inventor and has allowed him to refine his innovative processes.
Collaborations
Ueta has collaborated with notable coworkers, including Shunji Hyoda and Masaharu Kita. These partnerships have likely enhanced his research and development efforts, leading to successful patent applications.
Conclusion
Takahiro Ueta's contributions to the field of chemical processes are noteworthy, particularly through his innovative patents. His work continues to influence the industry and showcases the importance of creativity in scientific research.