Inventor
KUMA KIYOJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KUMA KIYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI CHEM CORP
8 patentsUS5962570AOct 5, 1999
Process for the preparation of aqueous solution or dispersion containing cationic polymer
MITSUBISHI CHEM CORP17 citations90
US6288205B1Sep 11, 2001
Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium
MITSUBISHI CHEM CORP20 citations89
US5574185ANov 12, 1996
Production of N-(α-alkoxyethyl) formamide
MITSUBISHI CHEM CORP13 citations73
US6294641B1Sep 25, 2001
Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium
MITSUBISHI CHEM CORP12 citations71
US6750314B2Jun 15, 2004
Process for producing an aromatic polycarbonate
MITSUBISHI CHEM CORP10 citations70
US7511114B2Mar 31, 2009
Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container
MITSUBISHI CHEM CORP3 citations60
US5840976ANov 24, 1998
Method of stabilizing N-vinylamides
MITSUBISHI CHEM CORP5 citations56
US6602940B1Aug 5, 2003
Process for the preparation of aqueous solution or dispersion containing cationic polymer
MITSUBISHI CHEM CORP0 citations50