Company Filing History:
Years Active: 1993
Title: The Innovative Contributions of Tomoko Ishii in Animal Cell Transformants
Introduction: Tomoko Ishii, a notable inventor based in Chosei, Japan, has made significant strides in the field of biotechnology with her pioneering work on animal cell transformants. Her innovative approach has contributed to advancements in gene amplification and the production of useful substances from animal cells, showcasing her dedication to scientific progress and excellence.
Latest Patents: Tomoko Ishii holds a patent for an animal cell transformant and a method for obtaining this transformant. The patented innovation focuses on the introduction of a wild-type DHFR gene and a structural gene into wild-type animal cells. By using a medium containing methotrexate at a concentration of 50 µM or lower, the genes can be effectively amplified within a methotrexate resistant strain. This method also allows for the stable production of the desired foreign gene product, resulting in a high yield from the amplified transformant.
Career Highlights: Ishii's professional journey has seen her become a valuable member of Mitsui Toatsu Chemicals Incorporated, where she applies her expertise in biochemistry and cell biology to drive innovation. Her contributions to the field have been recognized through her sole patent, which demonstrates her ability to enhance research methodologies and applications.
Collaborations: Throughout her career, Tomoko Ishii has collaborated with esteemed colleagues such as Noboru Tomioka and Fumio Omae. These collaborations have allowed her to exchange ideas and push the boundaries of research in animal cell technology, bolstering the results of their collective efforts.
Conclusion: Tomoko Ishii's impact on the field of biotechnology is underscored by her innovative patent regarding animal cell transformants. Her work exemplifies the critical role of inventors in advancing scientific knowledge and developing practical applications. With her ongoing contributions, Ishii continues to inspire future generations of researchers and inventors in the pursuit of novel solutions for complex biological challenges.