Company Filing History:
13 out of 42,485 
1 out of 18 Years Active: 1979-1998
Title: Inventor Spotlight: Kasumi Yoshida
Introduction
Kasumi Yoshida, an innovative inventor based in Mito, Japan, has made significant contributions to the field of chromatography with a total of 13 patents to her name. Her inventive work has focused on enhancing the efficiency and effectiveness of liquid analysis, particularly in medical and biochemical applications.
Latest Patents
Yoshida's latest patents include a groundbreaking invention titled "Chromatograph System and Method for Maintaining System Suitability." This invention introduces a process wherein a reference sample with a known concentration is injected into a chromatograph system before analyzing the unknown sample. The technique checks for potential system performance deterioration by storing expected chromatographic characteristics in a memory and comparing them with actual data to deduce the factors of deterioration. This innovation is particularly useful for analyzing catecholamine or glycated hemoglobin.
Another notable patent is the "Analytical Method and Instrument for Analysis of Liquid Sample by Liquid." This method and instrument allow for the efficient separation and analysis of very small quantities of specific constituents, such as catecholamines, from an analyte. Yoshida’s design incorporates three main processes—preparing, impurity elimination, and separation—which are conducted in parallel to significantly reduce analysis time.
Career Highlights
Kasumi Yoshida has a remarkable career, with experience at well-known companies such as Hitachi, Ltd. and Hitachi Instrument Engineering Co., Ltd. Her expertise in chromatography and analytical instrumentation has positioned her as a valuable contributor in these organizations.
Collaborations
Throughout her career, Yoshida has collaborated with notable coworkers, including Yoshio Fujii and Junkichi Miura. These partnerships have fostered a creative environment that has enhanced the development of her patents and innovations.
Conclusion
Kasumi Yoshida continues to be a prominent figure in the field of chromatography, influencing the next generation of analytical methods and instrumentation. Her work not only exemplifies the innovative spirit but also highlights the importance of collaborative efforts in driving advancements in technology and science.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.