This inventor holds 1 USPTO granted patent and 1 published patent application and 1 EPO patent. Top assignee: Chugai Seiyaku Kabushiki Kaisha. Active years: 2025.
Company Filing History:
Years Active: 2025
Title: Chifumi Seida: Innovator in Antibody Variants
Introduction
Chifumi Seida is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of biotechnology, particularly in the development of antibody variants. His work focuses on enhancing the efficacy and safety of therapeutic antibodies.
Latest Patents
Chifumi Seida holds a patent for an "Antibody variant and isoform with lowered biological activity." This patent describes antibody variants and isoforms that exhibit reduced FVIII mimetic activity compared to Emicizumab. The invention includes Q-CDR-Clipped Variants, which have specific amino acid residues cleaved out in the variable region, and Protected Disulfide Isoforms, which possess inter-heavy chain disulfide bonds that are less susceptible to reduction under mild reducing conditions.
Career Highlights
Chifumi Seida is associated with Chugai Pharmaceutical Co., Ltd., where he continues to innovate in the field of antibody research. His work has the potential to impact the treatment of various diseases, particularly those requiring precise antibody therapies.
Collaborations
Chifumi collaborates with talented individuals such as Kensaku Hosoguchi and Maki Kuwayama, who contribute to the advancement of his research initiatives.
Conclusion
Chifumi Seida's innovative work in antibody variants showcases his commitment to improving therapeutic options in medicine. His contributions are paving the way for future advancements in biotechnology.