Inventor · Sendai, JP

Izumi Kumagai

12Patents
2h-index
14Co-inventors
47Inventor score

Filing activity: Jun 14, 1996 → Jul 16, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7504086B2 Structure and method for releasing substance therefrom Emerging Cross-Sectional Technologies 9 Expired
US7635475B2 Diabody-type bispecific antibody Chemistry; Metallurgy 6 Expired
US5981199A Method for measuring antigen concentration Physics 2 Expired
US7807391B2 Gold-binding protein and use thereof Chemistry; Metallurgy 1 Active
US9139650B2 Fragment of humanized anti-EGFR antibody substituted-lysine variable fragment and use thereof Chemistry; Metallurgy 1 Active
US9315578B2 High functional bispecific antibody Chemistry; Metallurgy 1 Active
US7855180B2 Structure and method for releasing substance therefrom Emerging Cross-Sectional Technologies 0 Active
US6482596B1 Method for measuring antigen concentration Physics 0 Expired
US8921525B2 Highly-functional mutant of humanized anti-EGFR antibody variable region Chemistry; Metallurgy 0 Active
US7871614B2 Gold-binding protein and use thereof Chemistry; Metallurgy 0 Active
US9315584B2 LH-type bispecific antibody Chemistry; Metallurgy 0 Active
US7833731B2 Gold-binding protein and use thereof Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.