Inventor
OKANO KATSUHIKO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OKANO KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIICHI SEIYAKU CO
3 patentsUS6872823B1Mar 29, 2005
Process for producing benzoxazine derivative and production intermediate thereof
DAIICHI SEIYAKU CO6 citations71
US7189847B2Mar 13, 2007
Process for producing benzoxazine derivative and production intermediate thereof
DAIICHI SEIYAKU CO3 citations60
US7087778B2Aug 8, 2006
Process for producing benzoxazine derivative and production intermediate thereof
DAIICHI SEIYAKU CO0 citations49