Inventor
OKAMOTO YUKO
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OKAMOTO YUKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
4 patentsUS6284877B1Sep 4, 2001
Sulfonamide compound and method for its production, metal chelate compound employing the sulfonamide compound, and optical recording medium employing the metal chelate compound
MITSUBISHI CHEM CORP18 citations92
US6225023B1May 1, 2001
Sulfonamide compound and method for its production, metal chelate compound employing the sulfonamide compound, and optical recording medium employing the metal chelate compound
MITSUBISHI CHEM CORP24 citations92
US6232036B1May 15, 2001
Optical recording disk
MITSUBISHI CHEM CORP57 citations91
US6214519B1Apr 10, 2001
Optical recording medium
MITSUBISHI CHEM CORP21 citations90