Location History:
- Minoo, JA (1977)
- Minoo, JP (1981)
Company Filing History:
Years Active: 1977-1981
Title: Tetsuhiko Watanabe: Innovator in Chemical Processes
Introduction
Tetsuhiko Watanabe is a notable inventor based in Minoo, Japan. He has made significant contributions to the field of chemistry, particularly in the development of methods for synthesizing various chemical compounds. With a total of 2 patents to his name, Watanabe's work has implications in both industrial and research settings.
Latest Patents
Watanabe's latest patents include a method for preparing 4-substituted-N-methylbenzothiazolone derivatives. This process involves producing N-alkylbenzothiazolone derivatives from 2-halogenobenzothiazole derivatives through specific chemical reactions. Another significant patent is for a method of preparing 3-methyl-2-(4-halogenophenyl)-butyronitrile. This method entails alkylating a p-halogenophenylacetonitrile using an isopropyl halide in the presence of an aqueous alkali metal hydroxide solution, with an organic quaternary ammonium salt as a catalyst.
Career Highlights
Watanabe is currently associated with Sumitomo Chemical Company, Limited, where he continues to innovate and contribute to the field of chemical engineering. His work is characterized by a focus on practical applications of chemical synthesis, which has garnered attention in both academic and industrial circles.
Collaborations
Watanabe has collaborated with notable coworkers such as Takeaki Umemura and Nobuo Ohno. These collaborations have further enriched his research and development efforts, leading to advancements in chemical processes.
Conclusion
Tetsuhiko Watanabe's contributions to chemical synthesis through his patents and work at Sumitomo Chemical Company, Limited highlight his role as an influential inventor in the field. His innovative methods continue to impact the industry and research, showcasing the importance of creativity in scientific advancement.