Inventor
YASUMURA KOICHI
JP13 patents
⚠️ This page may combine multiple inventors who share the name “YASUMURA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTSUKA PHARMA CO LTD
10 patentsUS5376686ADec 27, 1994
Biguanide derivatives, manufacturing method thereof, and disinfectants containing the derivatives
OTSUKA PHARMA CO LTD37 citations91
US6197774B1Mar 6, 2001
Pyrimidine derivative
OTSUKA PHARMA CO LTD18 citations89
US5677322AOct 14, 1997
Maillard reaction inhibitor
OTSUKA PHARMA CO LTD26 citations89
US5422360AJun 6, 1995
Maillard reaction inhibitor
OTSUKA PHARMA CO LTD34 citations89
US6511995B1Jan 28, 2003
Pyridine derivative and pharmaceutical containing the same
OTSUKA PHARMA CO LTD14 citations82
US4831026AMay 16, 1989
2-oxa-isocephem compounds, compositions containing same and processes of using
OTSUKA PHARMA CO LTD7 citations72
US5262411ANov 16, 1993
Isocephem derivatives, and antimicrobial composition containing the derivatives
OTSUKA PHARMA CO LTD9 citations71
US5037976AAug 6, 1991
2-oxa-isocephem compounds
OTSUKA PHARMA CO LTD2 citations61
US4950662AAug 21, 1990
2-oxa-isocephem compounds, compositions containing the same and processes for preparing the same
OTSUKA PHARMA CO LTD3 citations61
US4898859AFeb 6, 1990
2-Oxa-isocephem compounds and compositions containing same
OTSUKA PHARMA CO LTD2 citations61