Location History:
- Higashihiroshima, JP (2015)
- Hiroshima, JP (2015)
Company Filing History:
2 out of 3,477 
1 out of 1,715 
Years Active: 2015
Title: Yumiko Mishima: Innovator in Enzyme Technology
Introduction
Yumiko Mishima is a prominent inventor based in Higashihiroshima, Japan. She has made significant contributions to the field of enzyme technology, particularly in the development of innovative enzymes for biomass decomposition. With a total of 2 patents, her work has the potential to impact various industries, including biofuels and bioprocessing.
Latest Patents
Mishima's latest patents include a mutant endoglucanase that is characterized by a decreased degree of activity inhibition by a lignin-derived aromatic compound. This enzyme is prepared by substituting tryptophan at position 273 in the amino acid sequence of wild-type thermophilic bacterium-derived endoglucanase with an amino acid other than aromatic amino acids. Another notable patent is for a mutant β-glucosidase, which exhibits high activity in the presence of biomass and has high thermal stability compared to conventional enzymes. This β-glucosidase includes substitutions and/or deletions of amino acids, specifically at least three amino acids selected from the group consisting of Glu39, Asp169, Arg170, Arg220, Tyr227, and Glu330, of the parent β-glucosidase, and demonstrates effective decomposition activity.
Career Highlights
Throughout her career, Yumiko Mishima has worked with esteemed organizations such as Toray Industries, Inc. and the National Institute of Advanced Industrial Science and Technology. Her experience in these institutions has allowed her to refine her skills and contribute to groundbreaking research in enzyme technology.
Collaborations
Mishima has collaborated with notable colleagues, including Hiroyuki Kurihara and Katsushige Yamada. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Yumiko Mishima's contributions to enzyme technology through her patents and collaborations highlight her role as a leading inventor in her field. Her work continues to pave the way for advancements in biomass decomposition and sustainable practices.