Location History:
- Kawagoe, JP (2002)
- Tokyo, JP (2019)
Company Filing History:
Years Active: 2002-2019
Title: Yumiko Igarashi: Innovator in Liquid Feeding and Gene Transporter Technologies
Introduction
Yumiko Igarashi is a prominent inventor based in Tokyo, Japan. She has made significant contributions to the fields of biotechnology and liquid feeding systems. With a total of 2 patents, her work focuses on enhancing the efficiency and quality of liquid culture mediums and identifying key genetic components in rice.
Latest Patents
Igarashi's latest patents include a liquid feeding device and a cell culture device. The liquid feeding device addresses the issue of high-frequency contact between a liquid culture medium and gas during movement in a tube. This contact can lead to changes in the pH value of the liquid culture medium. To mitigate this, her invention incorporates a feed pipe connected to a gas bag, allowing the liquid to be sandwiched by gas, thereby suppressing qualitative changes. Additionally, the gas bag is linked to a container that holds the liquid, maintaining the gas phase to further protect the liquid's integrity.
Another significant patent involves the identification of a gene for a proline transporter in rice. This was achieved through a cDNA library prepared from rice seedlings, which was screened using an Arabidopsis proline transporter gene cDNA as a probe. The resulting positive clones were subcloned and analyzed, leading to the identification of a rice proline transporter gene that shows high homology with Arabidopsis-derived genes.
Career Highlights
Yumiko Igarashi is currently employed at Hitachi, Ltd., where she continues to innovate and develop new technologies. Her work has garnered attention for its practical applications in biotechnology and agriculture.
Collaborations
Igarashi has collaborated with notable colleagues, including Masaharu Kiyama and Guangbin Zhou. These partnerships have contributed to her research and the advancement of her inventions.
Conclusion
Yumiko Igarashi is a trailblazer in her field, with patents that address critical challenges in liquid feeding systems and genetic research in rice. Her contributions continue to impact the scientific community and enhance agricultural practices.