Company Filing History:
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1 out of 1,177 
1 out of 832,680 Years Active: 1996-2007
Title: The Innovative Contributions of Sumie Yoshitomi
Introduction
Sumie Yoshitomi, a pioneering inventor based in Osaka, Japan, has made significant strides in the field of biomedical research. With a total of five patents to her name, her groundbreaking work primarily focuses on developing innovative cell lines that have wide-ranging applications in drug discovery and toxicology testing.
Latest Patents
Among her latest patents, one notable invention is the "Human Derived Immortalized Liver Cell Line." This invention introduces a new immortalized hepatocyte culture derived from human normal cells, particularly human fetal cells. The significance of this invention lies in its utility for screening compounds or salts that may possess therapeutic or preventive effects on hepatic insufficiency.
Another key patent details a "Human Cell Line Showing Stable Expression of Cytochromes P450." This invention encompasses cell lines derived from human liver that stably express a spectrum of human cytochromes P450. These liver-derived cultured cell lines are essential for analyzing enzymes involved in the metabolism of xenobiotics and endogenous substrates, due to their stable expression of various cytochromes P450 including CYP1A1, 1A2, 2A6, 2B6, 2C8, 2C9, 2D6, and 3A4.
Career Highlights
Throughout her career, Sumie Yoshitomi has collaborated with prominent organizations such as Takeda Chemical Industries, Inc. and Takeda Pharmaceutical Company Limited. Her experience in these esteemed companies has allowed her to deepen her expertise and contribute significantly to pharmaceutical advancements.
Collaborations
Sumie has had the privilege of working alongside notable colleagues in the industry, including Tsutomu Kurokawa and Masayoshi Nanba. These collaborations have helped foster an environment of innovation and have led to the successful development of her patents.
Conclusion
In summary, Sumie Yoshitomi stands out as a remarkable inventor whose work in creating immortalized liver cell lines has the potential to impact therapeutic research and drug development significantly. Her dedication and innovative spirit exemplify the vital role of inventors in advancing scientific knowledge and improving healthcare outcomes.
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.