Inventor
NAGANUMA SHOJI
JP8 patents
⚠️ This page may combine multiple inventors who share the name “NAGANUMA SHOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEMITSU KOSAN CO
5 patentsUS5461127AOct 24, 1995
Polymerization catalysts and process for producing polymers
IDEMITSU KOSAN CO43 citations92
US5391661AFeb 21, 1995
Process for producing a styrenic polymer and a catalyst for use therein
IDEMITSU KOSAN CO31 citations92
US5824753AOct 20, 1998
Process for producing a styrenic polymer
IDEMITSU KOSAN CO10 citations73
US5600005AFeb 4, 1997
Process for producing tetrakisflorophenylborate
IDEMITSU KOSAN CO10 citations73
US5294685AMar 15, 1994
Process for producing a styrenic polymer having a high degree of syndiotacticity
IDEMITSU KOSAN CO17 citations73
IDEMITSU PETROCHEMICAL CO
3 patentsUS6277934B1Aug 21, 2001
Organic aluminoxy compound and catalyst for producing polymer
IDEMITSU PETROCHEMICAL CO8 citations71
US5917073AJun 29, 1999
Organic aluminoxy compound and catalyst for producing polymer
IDEMITSU PETROCHEMICAL CO5 citations71
US6034191AMar 7, 2000
Organic aluminoxy compound and catalyst for producing polymer
IDEMITSU PETROCHEMICAL CO4 citations60