Company Filing History:
Years Active: 1998-2001
Title: Tetsuro Higashikawa: Innovator in Chemical Processes
Introduction
Tetsuro Higashikawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical processes, holding a total of 2 patents. His work focuses on innovative methods that enhance production efficiency and yield.
Latest Patents
Higashikawa's latest patents include a process for producing 3-methyl-2-oxoindoline. This invention involves heating propionylphenylhydrazide in the presence of a basic calcium compound and an organic solvent that can withstand temperatures of at least 180°C. The process allows for a reduction in the amount of calcium oxide used, achieving at least 75% of the yield typically attained with conventional methods. This innovation not only simplifies the reaction control and after-treatment but also significantly improves yield. Another patent involves a syringe, its sealing structure, and sealing method, along with a sliding valve.
Career Highlights
Throughout his career, Tetsuro Higashikawa has worked with various organizations, including Medical Information Services, Inc. His expertise in chemical processes has positioned him as a valuable contributor to advancements in the field.
Collaborations
Higashikawa has collaborated with notable individuals such as Hirokazu Suzuki and Hisao Kondo. These partnerships have further enriched his work and expanded the impact of his inventions.
Conclusion
Tetsuro Higashikawa's innovative contributions to chemical processes demonstrate his commitment to enhancing production methods. His patents reflect a blend of creativity and practicality, making him a significant figure in the realm of inventions.